{"id":705,"date":"2025-12-31T15:14:27","date_gmt":"2025-12-31T07:14:27","guid":{"rendered":"https:\/\/hsiang.cc\/?p=705"},"modified":"2026-01-02T17:06:08","modified_gmt":"2026-01-02T09:06:08","slug":"gnss%e7%ad%86%e8%a8%98a-gps-a-gnss-%e8%bc%94%e5%8a%a9%e5%ae%9a%e4%bd%8d%e6%98%af%e6%80%8e%e9%ba%bc%e9%81%8b%e4%bd%9c%e7%9a%84%ef%bc%9f%e6%89%8b%e6%a9%9f%e5%a6%82%e4%bd%95%e9%80%8f%e9%81%8e%e7%b6%b2","status":"publish","type":"post","link":"https:\/\/hsiang.cc\/?p=705","title":{"rendered":"[GNSS\u7b46\u8a18]A-GPS\/A-GNSS \u8f14\u52a9\u5b9a\u4f4d\u662f\u600e\u9ebc\u904b\u4f5c\u7684\uff1f\u624b\u6a5f\u5982\u4f55\u900f\u904e\u7db2\u8def\u52a0\u901f\u5b9a\u4f4d"},"content":{"rendered":"<p>\u4f60\u662f\u5426\u66fe\u7d93\u597d\u5947\uff0c\u70ba\u4ec0\u9ebc\u624b\u6a5f\u5728\u5ba4\u5167\u6216\u525b\u958b\u6a5f\u6642\uff0c\u660e\u660eGPS\u8a0a\u865f\u5f88\u5f31\uff0c\u537b\u80fd\u5728\u5e7e\u79d2\u9418\u5167\u5c31\u986f\u793a\u4f60\u7684\u4f4d\u7f6e\uff1f\u800c\u50b3\u7d71\u7684\u8eca\u7528GPS\u5c0e\u822a\u5668\uff0c\u5728\u51b7\u555f\u52d5\u6642\u537b\u9700\u8981\u7b49\u5f85\u597d\u5e7e\u5206\u9418\u624d\u80fd\u5b9a\u4f4d\u6210\u529f\uff1f<\/p>\n<p>\u9019\u80cc\u5f8c\u7684\u79d8\u5bc6\uff0c\u5c31\u662f<strong>A-GPS\uff08Assisted GPS\uff09<\/strong>\u548c<strong>A-GNSS\uff08Assisted GNSS\uff09<\/strong>\u6280\u8853\u3002\u9019\u9805\u6280\u8853\u5de7\u5999\u5730\u7d50\u5408\u4e86\u885b\u661f\u5b9a\u4f4d\u548c\u884c\u52d5\u7db2\u8def\u7684\u512a\u52e2\uff0c\u8b93\u624b\u6a5f\u7684\u5b9a\u4f4d\u901f\u5ea6\u6bd4\u50b3\u7d71GPS\u5feb\u4e0a10\u500d\u751a\u81f3100\u500d\uff01<\/p>\n<p>\u4eca\u5929\uff0c\u8b93\u6211\u5011\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u770b\u4f3c\u795e\u5947\u3001\u5be6\u5247\u7cbe\u5de7\u7684\u6280\u8853\uff1a\u5b83\u5982\u4f55\u904b\u4f5c\uff1f\u70ba\u4ec0\u9ebc\u80fd\u5927\u5e45\u7e2e\u77ed\u5b9a\u4f4d\u6642\u9593\uff1f\u53c8\u6709\u54ea\u4e9b\u9650\u5236\u548c\u96b1\u79c1\u8003\u91cf\uff1f\u7121\u8ad6\u4f60\u662f\u79d1\u6280\u611b\u597d\u8005\uff0c\u9084\u662f\u55ae\u7d14\u60f3\u4e86\u89e3\u624b\u6a5f\u5b9a\u4f4d\u539f\u7406\u7684\u4e00\u822c\u7528\u6236\uff0c\u9019\u7bc7\u6587\u7ae0\u90fd\u5c07\u70ba\u4f60\u63ed\u958bA-GPS\/A-GNSS\u7684\u795e\u79d8\u9762\u7d17\u3002<\/p>\n<hr \/>\n<h3><strong>\u4e00\u3001\u50b3\u7d71GPS\u5b9a\u4f4d\u7684\u300c\u6162\u300d\u5728\u54ea\u88e1\uff1f<\/strong><\/h3>\n<p>\u8981\u7406\u89e3A-GPS\u7684\u50f9\u503c\uff0c\u6211\u5011\u9996\u5148\u9700\u8981\u77e5\u9053\u50b3\u7d71GPS\u70ba\u4ec0\u9ebc\u9019\u9ebc\u6162\u3002<\/p>\n<p><!--more--><\/p>\n<h4><strong>GPS\u5b9a\u4f4d\u7684\u4e09\u500b\u968e\u6bb5<\/strong><\/h4>\n<p><strong>1. \u641c\u5c0b\u885b\u661f\uff08Satellite Acquisition\uff09<\/strong><\/p>\n<ul>\n<li>GPS\u63a5\u6536\u5668\u9700\u8981\u6383\u63cf\u6240\u6709\u53ef\u80fd\u7684\u983b\u7387\u548c\u885b\u661f\u7de8\u865f<\/li>\n<li>\u5c31\u50cf\u5728\u64c1\u64e0\u7684\u6d3e\u5c0d\u4e0a\u5c0b\u627e\u7279\u5b9a\u7684\u670b\u53cb\uff0c\u9700\u8981\u4e00\u500b\u4e00\u500b\u8fa8\u8b58<\/li>\n<li>\u6642\u9593\uff1a30\u79d2 - 2\u5206\u9418<\/li>\n<\/ul>\n<p><strong>2. \u4e0b\u8f09\u661f\u66c6\u6578\u64da\uff08Ephemeris Data\uff09<\/strong><\/p>\n<ul>\n<li>\u6bcf\u9846\u885b\u661f\u6703\u5ee3\u64ad\u81ea\u5df1\u7684\u7cbe\u78ba\u8ecc\u9053\u8cc7\u8a0a\uff08\u661f\u66c6\uff09\u548c\u6240\u6709\u885b\u661f\u7684\u7c97\u7565\u8ecc\u9053\u8cc7\u8a0a\uff08\u5e74\u66c6\uff09<\/li>\n<li>\u9019\u4e9b\u6578\u64da\u4ee5<strong>\u6bcf\u79d250\u4f4d\u5143<\/strong>\u7684\u6975\u4f4e\u901f\u7387\u50b3\u8f38<\/li>\n<li><strong>\u5b8c\u6574\u7684\u661f\u66c6\u6578\u64da\u9700\u898130\u79d2<\/strong>\u624d\u80fd\u4e0b\u8f09\u5b8c\u6210<\/li>\n<li><strong>\u5b8c\u6574\u7684\u5e74\u66c6\u6578\u64da\u9700\u898112.5\u5206\u9418<\/strong>\uff01<\/li>\n<li>\u6642\u9593\uff1a30\u79d2 - 12.5\u5206\u9418<\/li>\n<\/ul>\n<p><strong>3. \u8a08\u7b97\u4f4d\u7f6e\uff08Position Calculation\uff09<\/strong><\/p>\n<ul>\n<li>\u63a5\u6536\u5668\u6839\u64da\u81f3\u5c114\u9846\u885b\u661f\u7684\u8a0a\u865f\u8a08\u7b97\u4f4d\u7f6e<\/li>\n<li>\u9019\u500b\u904e\u7a0b\u76f8\u5c0d\u5feb\u901f<\/li>\n<li>\u6642\u9593\uff1a1-5\u79d2<\/li>\n<\/ul>\n<h4><strong>\u9996\u6b21\u5b9a\u4f4d\u6642\u9593\uff08TTFF\uff09\u7684\u4e09\u7a2e\u60c5\u6cc1<\/strong><\/h4>\n<p><strong>\u51b7\u555f\u52d5\uff08Cold Start\uff09<\/strong><\/p>\n<ul>\n<li>\u60c5\u5883\uff1aGPS\u63a5\u6536\u5668\u5b8c\u5168\u6c92\u6709\u4efb\u4f55\u885b\u661f\u8cc7\u8a0a\uff08\u5982\u9577\u6642\u9593\u95dc\u6a5f\u3001\u66f4\u63db\u96fb\u6c60\u3001\u79fb\u52d5\u5230\u9060\u8ddd\u96e2\u5730\u9ede\uff09<\/li>\n<li>\u9700\u8981\uff1a\u641c\u5c0b\u885b\u661f + \u4e0b\u8f09\u5b8c\u6574\u661f\u66c6\u548c\u5e74\u66c6<\/li>\n<li>\u6642\u9593\uff1a<strong>12.5\u5206\u9418\u4ee5\u4e0a<\/strong><\/li>\n<\/ul>\n<p><strong>\u6eab\u555f\u52d5\uff08Warm Start\uff09<\/strong><\/p>\n<ul>\n<li>\u60c5\u5883\uff1a\u6709\u90e8\u5206\u885b\u661f\u8cc7\u8a0a\uff0c\u4f46\u5df2\u904e\u6642\uff08\u5982\u95dc\u6a5f\u6578\u5c0f\u6642\uff09<\/li>\n<li>\u9700\u8981\uff1a\u91cd\u65b0\u641c\u5c0b\u885b\u661f + \u4e0b\u8f09\u65b0\u7684\u661f\u66c6<\/li>\n<li>\u6642\u9593\uff1a<strong>30\u79d2 - 2\u5206\u9418<\/strong><\/li>\n<\/ul>\n<p><strong>\u71b1\u555f\u52d5\uff08Hot Start\uff09<\/strong><\/p>\n<ul>\n<li>\u60c5\u5883\uff1a\u6709\u6700\u65b0\u7684\u885b\u661f\u8cc7\u8a0a\uff08\u5982\u525b\u95dc\u6a5f\u53c8\u91cd\u555f\uff09<\/li>\n<li>\u9700\u8981\uff1a\u5feb\u901f\u9396\u5b9a\u5df2\u77e5\u885b\u661f<\/li>\n<li>\u6642\u9593\uff1a<strong>5-30\u79d2<\/strong><\/li>\n<\/ul>\n<p><strong>\u554f\u984c\u7684\u6838\u5fc3\uff1a\u885b\u661f\u8a0a\u865f\u50b3\u8f38\u901f\u5ea6\u592a\u6162\uff01<\/strong><\/p>\n<p>GPS\u885b\u661f\u8ddd\u96e2\u5730\u740320,200\u516c\u91cc\uff0c\u8a0a\u865f\u529f\u7387\u6975\u5f31\uff08\u5230\u9054\u5730\u9762\u6642\u7d04-130 dBm\uff0c\u6bd4\u624b\u6a5f\u8a0a\u865f\u5f311000\u5104\u500d\uff09\uff0c\u70ba\u4e86\u7a7f\u900f\u5927\u6c23\u5c64\u548c\u78ba\u4fdd\u53ef\u9760\u6027\uff0c\u53ea\u80fd\u4f7f\u7528\u6975\u4f4e\u7684\u6578\u64da\u50b3\u8f38\u901f\u7387\u3002\u9019\u5c31\u50cf\u7528\u96fb\u5831\u6a5f\u50b3\u9001\u4e00\u672c\u66f8\uff0c\u81ea\u7136\u9700\u8981\u5f88\u9577\u6642\u9593\u3002<\/p>\n<hr \/>\n<h3><strong>\u4e8c\u3001A-GPS\/A-GNSS \u7684\u8070\u660e\u89e3\u6c7a\u65b9\u6848<\/strong><\/h3>\n<p>A-GPS\u7684\u6838\u5fc3\u601d\u60f3\u975e\u5e38\u7c21\u55ae\uff1a<strong>\u65e2\u7136\u885b\u661f\u8a0a\u865f\u6162\uff0c\u70ba\u4ec0\u9ebc\u4e0d\u900f\u904e\u5feb\u901f\u7684\u884c\u52d5\u7db2\u8def\u4f86\u50b3\u8f38\u9019\u4e9b\u8f14\u52a9\u8cc7\u8a0a\u5462\uff1f<\/strong><\/p>\n<h4><strong>A-GPS \u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/h4>\n<p>A-GPS\u7cfb\u7d71\u7531\u4e09\u500b\u4e3b\u8981\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<p><strong>1. \u624b\u6a5f\uff08GPS\u63a5\u6536\u5668\uff09<\/strong><\/p>\n<ul>\n<li>\u63a5\u6536\u885b\u661f\u8a0a\u865f<\/li>\n<li>\u900f\u904e\u884c\u52d5\u7db2\u8def\u63a5\u6536\u8f14\u52a9\u6578\u64da<\/li>\n<li>\u8a08\u7b97\u4f4d\u7f6e\uff08\u6216\u5c07\u539f\u59cb\u6578\u64da\u50b3\u7d66\u4f3a\u670d\u5668\u8a08\u7b97\uff09<\/li>\n<\/ul>\n<p><strong>2. \u8f14\u52a9\u6578\u64da\u4f3a\u670d\u5668\uff08Assistance Server\uff09<\/strong><\/p>\n<ul>\n<li>\u901a\u5e38\u7531\u96fb\u4fe1\u696d\u8005\u6216Google\u3001Apple\u7b49\u516c\u53f8\u904b\u71df<\/li>\n<li>\u6536\u96c6\u548c\u8655\u7406\u5168\u7403GPS\u885b\u661f\u7684\u5373\u6642\u8cc7\u8a0a<\/li>\n<li>\u900f\u904e\u884c\u52d5\u7db2\u8def\u5feb\u901f\u50b3\u9001\u7d66\u624b\u6a5f<\/li>\n<\/ul>\n<p><strong>3. \u53c3\u8003\u63a5\u6536\u7ad9\u7db2\u8def\uff08Reference Network\uff09<\/strong><\/p>\n<ul>\n<li>\u5206\u4f48\u5728\u5168\u7403\u5404\u5730\u7684\u56fa\u5b9aGPS\u63a5\u6536\u7ad9<\/li>\n<li>\u6301\u7e8c\u8ffd\u8e64\u6240\u6709GPS\u885b\u661f<\/li>\n<li>\u5c07\u6578\u64da\u56de\u50b3\u7d66\u8f14\u52a9\u6578\u64da\u4f3a\u670d\u5668<\/li>\n<\/ul>\n<h4><strong>A-GPS \u63d0\u4f9b\u7684\u8f14\u52a9\u8cc7\u8a0a<\/strong><\/h4>\n<p><strong>1. \u885b\u661f\u661f\u66c6\u548c\u5e74\u66c6\u6578\u64da\uff08Ephemeris &amp; Almanac\uff09<\/strong><\/p>\n<ul>\n<li><strong>\u539f\u672c\u9700\u8981<\/strong>\uff1a30\u79d2 - 12.5\u5206\u9418\uff08\u5f9e\u885b\u661f\u4e0b\u8f09\uff09<\/li>\n<li><strong>\u73fe\u5728\u53ea\u9700<\/strong>\uff1a1-2\u79d2\uff08\u5f9e\u7db2\u8def\u4e0b\u8f09\uff09<\/li>\n<li><strong>\u52a0\u901f\u500d\u6578<\/strong>\uff1a10-750\u500d\uff01<\/li>\n<\/ul>\n<p>\u9019\u662f\u6700\u95dc\u9375\u7684\u52a0\u901f\u3002\u900f\u904e4G\/5G\u7db2\u8def\uff0c\u539f\u672c\u9700\u898112.5\u5206\u9418\u7684\u5e74\u66c6\u6578\u64da\u53ef\u4ee5\u57281\u79d2\u5167\u50b3\u8f38\u5b8c\u6210\u3002<\/p>\n<p><strong>2. \u7c97\u7565\u4f4d\u7f6e\u8cc7\u8a0a\uff08Coarse Position\uff09<\/strong><\/p>\n<ul>\n<li>\u57fa\u65bc\u624b\u6a5f\u9023\u63a5\u7684\u57fa\u5730\u53f0\u4f4d\u7f6e<\/li>\n<li>\u544a\u8a34GPS\u63a5\u6536\u5668\u300c\u4f60\u5927\u6982\u5728\u9019\u500b\u57ce\u5e02\u300d<\/li>\n<li>\u7e2e\u5c0f\u885b\u661f\u641c\u5c0b\u7bc4\u570d\uff0c\u6e1b\u5c11\u641c\u5c0b\u6642\u9593<\/li>\n<\/ul>\n<p><strong>\u7bc4\u4f8b\uff1a<\/strong><\/p>\n<ul>\n<li>\u6c92\u6709\u7c97\u7565\u4f4d\u7f6e\uff1a\u9700\u8981\u641c\u5c0b\u6240\u670932\u9846GPS\u885b\u661f<\/li>\n<li>\u6709\u7c97\u7565\u4f4d\u7f6e\uff1a\u53ea\u9700\u641c\u5c0b\u8a72\u5730\u5340\u53ef\u898b\u76848-12\u9846\u885b\u661f<\/li>\n<li>\u641c\u5c0b\u6642\u9593\u5f9e2\u5206\u9418\u7e2e\u77ed\u81f35-10\u79d2<\/li>\n<\/ul>\n<p><strong>3. \u7cbe\u78ba\u6642\u9593\u8cc7\u8a0a\uff08Accurate Time\uff09<\/strong><\/p>\n<ul>\n<li>GPS\u5b9a\u4f4d\u9700\u8981\u6975\u7cbe\u78ba\u7684\u6642\u9593\uff08\u8aa4\u5dee\u9700\u5c0f\u65bc1\u5fae\u79d2\uff09<\/li>\n<li>\u50b3\u7d71GPS\u9700\u8981\u5f9e\u885b\u661f\u8a0a\u865f\u4e2d\u89e3\u78bc\u6642\u9593\u8cc7\u8a0a\uff08\u970030\u79d2\uff09<\/li>\n<li>A-GPS\u76f4\u63a5\u5f9e\u7db2\u8def\u63d0\u4f9b\u539f\u5b50\u9418\u7d1a\u5225\u7684\u6642\u9593<\/li>\n<li>\u6642\u9593\u5f9e30\u79d2\u7e2e\u77ed\u81f3\u5373\u6642<\/li>\n<\/ul>\n<p><strong>4. \u90fd\u535c\u52d2\u983b\u79fb\u8cc7\u8a0a\uff08Doppler Shift\uff09<\/strong><\/p>\n<ul>\n<li>\u885b\u661f\u9ad8\u901f\u79fb\u52d5\u6703\u9020\u6210\u8a0a\u865f\u983b\u7387\u504f\u79fb\uff08\u90fd\u535c\u52d2\u6548\u61c9\uff09<\/li>\n<li>\u50b3\u7d71GPS\u9700\u8981\u6383\u63cf\u5ee3\u6cdb\u7684\u983b\u7387\u7bc4\u570d<\/li>\n<li>A-GPS\u63d0\u4f9b\u9810\u671f\u7684\u983b\u7387\u504f\u79fb\u503c<\/li>\n<li>\u63a5\u6536\u5668\u53ef\u4ee5\u76f4\u63a5\u9396\u5b9a\u6b63\u78ba\u983b\u7387\uff0c\u641c\u5c0b\u6642\u9593\u5f9e30\u79d2\u7e2e\u77ed\u81f31-2\u79d2<\/li>\n<\/ul>\n<p><strong>5. \u96fb\u96e2\u5c64\u5ef6\u9072\u4fee\u6b63\uff08Ionospheric Corrections\uff09<\/strong><\/p>\n<ul>\n<li>GPS\u8a0a\u865f\u7a7f\u904e\u96fb\u96e2\u5c64\u6703\u7522\u751f\u5ef6\u9072\uff0c\u5f71\u97ff\u7cbe\u5ea6<\/li>\n<li>\u53c3\u8003\u7ad9\u7db2\u8def\u5373\u6642\u76e3\u6e2c\u96fb\u96e2\u5c64\u72c0\u614b<\/li>\n<li>\u63d0\u4f9b\u4fee\u6b63\u53c3\u6578\uff0c\u63d0\u5347\u5b9a\u4f4d\u7cbe\u5ea610-30%<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>\u4e09\u3001A-GPS \u7684\u5169\u7a2e\u904b\u4f5c\u6a21\u5f0f<\/strong><\/h3>\n<p>A-GPS\u6709\u5169\u7a2e\u4e3b\u8981\u7684\u5be6\u4f5c\u65b9\u5f0f\uff0c\u5404\u6709\u512a\u7f3a\u9ede\uff1a<\/p>\n<h4><strong>\u6a21\u5f0f\u4e00\uff1aMS-Based\uff08Mobile Station Based\uff0c\u624b\u6a5f\u7aef\u8a08\u7b97\uff09<\/strong><\/h4>\n<p><strong>\u904b\u4f5c\u6d41\u7a0b\uff1a<\/strong><\/p>\n<ol>\n<li>\u624b\u6a5f\u900f\u904e\u884c\u52d5\u7db2\u8def\u5f9e\u8f14\u52a9\u4f3a\u670d\u5668\u4e0b\u8f09\u661f\u66c6\u3001\u5e74\u66c6\u7b49\u8f14\u52a9\u6578\u64da<\/li>\n<li>\u624b\u6a5f\u7684GPS\u63a5\u6536\u5668\u63a5\u6536\u885b\u661f\u8a0a\u865f<\/li>\n<li><strong>\u624b\u6a5f\u81ea\u5df1\u8a08\u7b97\u4f4d\u7f6e<\/strong><\/li>\n<li>\u5c07\u7d50\u679c\u986f\u793a\u7d66\u7528\u6236\u6216\u50b3\u7d66\u61c9\u7528\u7a0b\u5f0f<\/li>\n<\/ol>\n<p><strong>\u512a\u9ede\uff1a<\/strong><\/p>\n<ul>\n<li>\u2705 <strong>\u96b1\u79c1\u4fdd\u8b77\u8f03\u597d<\/strong>\uff1a\u4f4d\u7f6e\u8a08\u7b97\u5728\u672c\u5730\u9032\u884c\uff0c\u4f3a\u670d\u5668\u4e0d\u77e5\u9053\u4f60\u7684\u7cbe\u78ba\u4f4d\u7f6e<\/li>\n<li>\u2705 <strong>\u7db2\u8def\u6d41\u91cf\u5c0f<\/strong>\uff1a\u53ea\u9700\u4e0b\u8f09\u8f14\u52a9\u6578\u64da\uff08\u6578KB\uff09\uff0c\u4e0d\u9700\u6301\u7e8c\u9023\u7dda<\/li>\n<li>\u2705 <strong>\u96e2\u7dda\u53ef\u7528<\/strong>\uff1a\u4e0b\u8f09\u8f14\u52a9\u6578\u64da\u5f8c\uff0c\u5373\u4f7f\u7db2\u8def\u65b7\u7dda\u4e5f\u80fd\u7e7c\u7e8c\u5b9a\u4f4d\uff08\u8f14\u52a9\u6578\u64da\u6709\u6548\u671f\u901a\u5e38\u6578\u5c0f\u6642\uff09<\/li>\n<li>\u2705 <strong>\u9069\u5408\u9023\u7e8c\u5b9a\u4f4d<\/strong>\uff1a\u5982\u5c0e\u822a\u3001\u904b\u52d5\u8ffd\u8e64<\/li>\n<\/ul>\n<p><strong>\u7f3a\u9ede\uff1a<\/strong><\/p>\n<ul>\n<li>\u274c <strong>\u8017\u96fb\u8f03\u591a<\/strong>\uff1a\u624b\u6a5f\u9700\u8981\u6301\u7e8c\u904b\u884cGPS\u63a5\u6536\u5668\u548c\u8a08\u7b97<\/li>\n<li>\u274c <strong>\u5c0dGPS\u8a0a\u865f\u8981\u6c42\u8f03\u9ad8<\/strong>\uff1a\u5728\u5ba4\u5167\u6216\u8a0a\u865f\u6975\u5f31\u74b0\u5883\u53ef\u80fd\u5931\u6557<\/li>\n<\/ul>\n<p><strong>\u61c9\u7528\u5834\u666f\uff1a<\/strong><\/p>\n<ul>\n<li>\u8eca\u8f09\u5c0e\u822a<\/li>\n<li>\u8dd1\u6b65\u3001\u9a0e\u884c\u7b49\u904b\u52d5\u8ffd\u8e64<\/li>\n<li>\u4e00\u822c\u5730\u5716\u5c0e\u822a<\/li>\n<\/ul>\n<p><strong>\u5be6\u4f8b\uff1a<\/strong><br \/>\n\u7576\u4f60\u4f7f\u7528Google Maps\u5c0e\u822a\u6642\uff0c\u624b\u6a5f\u6703\u5148\u5f9eGoogle\u7684\u4f3a\u670d\u5668\u4e0b\u8f09\u7576\u524d\u7684\u885b\u661f\u8cc7\u8a0a\uff0c\u7136\u5f8c\u672c\u5730GPS\u63a5\u6536\u5668\u6301\u7e8c\u8ffd\u8e64\u885b\u661f\u4e26\u8a08\u7b97\u4f4d\u7f6e\uff0c\u6bcf\u79d2\u66f4\u65b0\u4e00\u6b21\u4f60\u7684\u4f4d\u7f6e\u3002<\/p>\n<hr \/>\n<h4><strong>\u6a21\u5f0f\u4e8c\uff1aMS-Assisted\uff08Mobile Station Assisted\uff0c\u4f3a\u670d\u5668\u7aef\u8a08\u7b97\uff09<\/strong><\/h4>\n<p><strong>\u904b\u4f5c\u6d41\u7a0b\uff1a<\/strong><\/p>\n<ol>\n<li>\u624b\u6a5f\u900f\u904e\u884c\u52d5\u7db2\u8def\u5f9e\u8f14\u52a9\u4f3a\u670d\u5668\u4e0b\u8f09\u8f14\u52a9\u6578\u64da<\/li>\n<li>\u624b\u6a5f\u7684GPS\u63a5\u6536\u5668\u63a5\u6536\u885b\u661f\u8a0a\u865f\uff0c\u4f46<strong>\u4e0d\u8a08\u7b97\u4f4d\u7f6e<\/strong><\/li>\n<li>\u624b\u6a5f\u5c07\u539f\u59cb\u7684\u885b\u661f\u6e2c\u91cf\u6578\u64da\uff08\u507d\u8ddd\u3001\u8f09\u6ce2\u76f8\u4f4d\u7b49\uff09\u50b3\u56de\u4f3a\u670d\u5668<\/li>\n<li><strong>\u4f3a\u670d\u5668\u8a08\u7b97\u4f4d\u7f6e<\/strong>\u4e26\u56de\u50b3\u7d66\u624b\u6a5f<\/li>\n<li>\u624b\u6a5f\u986f\u793a\u4f4d\u7f6e<\/li>\n<\/ol>\n<p><strong>\u512a\u9ede\uff1a<\/strong><\/p>\n<ul>\n<li>\u2705 <strong>\u6975\u4f4e\u8a0a\u865f\u4e5f\u80fd\u5b9a\u4f4d<\/strong>\uff1a\u5373\u4f7f\u53ea\u63a5\u6536\u5230\u5fae\u5f31\u8a0a\u865f\uff0c\u4f3a\u670d\u5668\u7684\u5f37\u5927\u904b\u7b97\u80fd\u529b\u4e5f\u80fd\u63a8\u7b97\u4f4d\u7f6e<\/li>\n<li>\u2705 <strong>\u624b\u6a5f\u7aef\u8017\u96fb\u5c11<\/strong>\uff1a\u4e0d\u9700\u8981\u9032\u884c\u8907\u96dc\u7684\u4f4d\u7f6e\u8a08\u7b97<\/li>\n<li>\u2705 <strong>\u5b9a\u4f4d\u901f\u5ea6\u6975\u5feb<\/strong>\uff1a\u4f3a\u670d\u5668\u904b\u7b97\u80fd\u529b\u5f37\uff0c\u53ef\u57281\u79d2\u5167\u5b8c\u6210\u8a08\u7b97<\/li>\n<li>\u2705 <strong>\u9069\u5408\u5ba4\u5167\u5b9a\u4f4d<\/strong>\uff1a\u7d50\u5408\u57fa\u5730\u53f0\u4e09\u89d2\u5b9a\u4f4d\u3001Wi-Fi\u5b9a\u4f4d\u7b49\u591a\u7a2e\u6578\u64da\u6e90<\/li>\n<\/ul>\n<p><strong>\u7f3a\u9ede\uff1a<\/strong><\/p>\n<ul>\n<li>\u274c <strong>\u96b1\u79c1\u98a8\u96aa<\/strong>\uff1a\u4f3a\u670d\u5668\u77e5\u9053\u4f60\u7684\u7cbe\u78ba\u4f4d\u7f6e<\/li>\n<li>\u274c <strong>\u9700\u8981\u6301\u7e8c\u7db2\u8def\u9023\u7dda<\/strong>\uff1a\u6bcf\u6b21\u5b9a\u4f4d\u90fd\u9700\u8981\u8207\u4f3a\u670d\u5668\u901a\u8a0a<\/li>\n<li>\u274c <strong>\u7db2\u8def\u6d41\u91cf\u8f03\u5927<\/strong>\uff1a\u9700\u8981\u6301\u7e8c\u4e0a\u50b3\u6e2c\u91cf\u6578\u64da\u548c\u4e0b\u8f09\u4f4d\u7f6e\u7d50\u679c<\/li>\n<li>\u274c <strong>\u7db2\u8def\u5ef6\u9072\u5f71\u97ff<\/strong>\uff1a\u5728\u7db2\u8def\u4e0d\u7a69\u5b9a\u6642\u5b9a\u4f4d\u53ef\u80fd\u5ef6\u9072\u6216\u5931\u6557<\/li>\n<\/ul>\n<p><strong>\u61c9\u7528\u5834\u666f\uff1a<\/strong><\/p>\n<ul>\n<li>\u7dca\u6025\u6c42\u6551\u670d\u52d9\uff08E911\uff09<\/li>\n<li>\u55ae\u6b21\u4f4d\u7f6e\u67e5\u8a62\uff08\u5982\u300c\u9644\u8fd1\u7684\u9910\u5ef3\u300d\uff09<\/li>\n<li>\u5ba4\u5167\u5b9a\u4f4d<\/li>\n<li>\u8cc7\u7522\u8ffd\u8e64\uff08\u5982\u5feb\u905e\u5305\u88f9\uff09<\/li>\n<\/ul>\n<p><strong>\u5be6\u4f8b\uff1a<\/strong><br \/>\n\u7576\u4f60\u5728\u624b\u6a5f\u4e0a\u9ede\u64ca\u300c\u6211\u7684\u4f4d\u7f6e\u300d\u6309\u9215\u6642\uff0c\u7cfb\u7d71\u53ef\u80fd\u4f7f\u7528MS-Assisted\u6a21\u5f0f\u5feb\u901f\u7372\u5f97\u4e00\u6b21\u6027\u4f4d\u7f6e\uff0c\u800c\u4e0d\u555f\u52d5\u5b8c\u6574\u7684GPS\u8ffd\u8e64\uff08\u66f4\u7701\u96fb\uff09\u3002<\/p>\n<hr \/>\n<h4><strong>\u6df7\u5408\u6a21\u5f0f\uff08Hybrid\uff09<\/strong><\/h4>\n<p>\u73fe\u4ee3\u667a\u6167\u624b\u6a5f\u901a\u5e38<strong>\u540c\u6642\u652f\u63f4\u5169\u7a2e\u6a21\u5f0f<\/strong>\uff0c\u6839\u64da\u60c5\u5883\u81ea\u52d5\u5207\u63db\uff1a<\/p>\n<ul>\n<li><strong>\u9996\u6b21\u5b9a\u4f4d<\/strong>\uff1a\u4f7f\u7528MS-Assisted\u5feb\u901f\u7372\u5f97\u521d\u59cb\u4f4d\u7f6e\uff081-2\u79d2\uff09<\/li>\n<li><strong>\u6301\u7e8c\u8ffd\u8e64<\/strong>\uff1a\u5207\u63db\u5230MS-Based\u9032\u884c\u9023\u7e8c\u5b9a\u4f4d\uff08\u7701\u96fb\u3001\u4fdd\u8b77\u96b1\u79c1\uff09<\/li>\n<li><strong>\u8a0a\u865f\u5fae\u5f31\u6642<\/strong>\uff1a\u81ea\u52d5\u5207\u63db\u56deMS-Assisted\u6216\u878d\u5408\u57fa\u5730\u53f0\/Wi-Fi\u5b9a\u4f4d<\/li>\n<\/ul>\n<p><strong>\u5be6\u4f8b\uff1a<\/strong><br \/>\n\u4f60\u6253\u958bGoogle Maps\u6642\uff0c\u53ef\u80fd\u6703\u770b\u5230\uff1a<\/p>\n<ol>\n<li>\u9996\u5148\u51fa\u73fe\u4e00\u500b\u8f03\u5927\u7684\u85cd\u8272\u5713\u5708\uff08\u57fa\u65bc\u57fa\u5730\u53f0\u7684\u7c97\u7565\u4f4d\u7f6e\uff0cMS-Assisted\uff09<\/li>\n<li>1-2\u79d2\u5f8c\u5713\u5708\u7e2e\u5c0f\uff08A-GPS\u521d\u59cb\u5b9a\u4f4d\uff09<\/li>\n<li>5-10\u79d2\u5f8c\u8b8a\u6210\u7cbe\u78ba\u7684\u85cd\u9ede\uff08GPS\u6301\u7e8c\u8ffd\u8e64\uff0cMS-Based\uff09<\/li>\n<\/ol>\n<hr \/>\n<h3><strong>\u56db\u3001A-GNSS\uff1a\u5f9eGPS\u5230\u5168\u7403\u885b\u661f\u7cfb\u7d71<\/strong><\/h3>\n<p>A-GPS\u6700\u521d\u53ea\u652f\u63f4\u7f8e\u570b\u7684GPS\u7cfb\u7d71\uff0c\u4f46\u96a8\u8457\u5317\u6597\u3001Galileo\u3001GLONASS\u7b49\u7cfb\u7d71\u7684\u6210\u719f\uff0c\u6280\u8853\u6f14\u9032\u70ba<strong>A-GNSS\uff08Assisted GNSS\uff09<\/strong>\uff0c\u652f\u63f4\u6240\u6709\u885b\u661f\u5c0e\u822a\u7cfb\u7d71\u3002<\/p>\n<h4><strong>A-GNSS \u7684\u512a\u52e2<\/strong><\/h4>\n<p><strong>1. \u66f4\u591a\u53ef\u898b\u885b\u661f<\/strong><\/p>\n<ul>\n<li>\u55aeGPS\uff1a8-12\u9846\u53ef\u898b\u885b\u661f<\/li>\n<li>\u56db\u7cfb\u7d71\u806f\u5408\uff1a20-30\u9846\u53ef\u898b\u885b\u661f<\/li>\n<li>\u5b9a\u4f4d\u901f\u5ea6\u66f4\u5feb\uff0c\u7cbe\u5ea6\u66f4\u9ad8<\/li>\n<\/ul>\n<p><strong>2. \u66f4\u597d\u7684\u5168\u7403\u8986\u84cb<\/strong><\/p>\n<ul>\n<li>GPS\u5728\u7f8e\u570b\u6700\u4f73\uff0c\u5317\u6597\u5728\u4e9e\u592a\u6700\u4f73\uff0cGalileo\u5728\u6b50\u6d32\u6700\u4f73<\/li>\n<li>A-GNSS\u53ef\u6839\u64da\u5730\u5340\u81ea\u52d5\u9078\u64c7\u6700\u4f73\u7cfb\u7d71\u7d44\u5408<\/li>\n<\/ul>\n<p><strong>3. \u66f4\u5f37\u7684\u6297\u5e72\u64fe\u80fd\u529b<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u67d0\u500b\u7cfb\u7d71\u88ab\u5e72\u64fe\u6216\u6545\u969c\uff0c\u53ef\u5207\u63db\u5230\u5176\u4ed6\u7cfb\u7d71<\/li>\n<li>\u63d0\u5347\u53ef\u9760\u6027\u548c\u9023\u7e8c\u6027<\/li>\n<\/ul>\n<h4><strong>\u6280\u8853\u6311\u6230<\/strong><\/h4>\n<p><strong>1. \u8f14\u52a9\u6578\u64da\u91cf\u589e\u52a0<\/strong><\/p>\n<ul>\n<li>GPS\uff1a32\u9846\u885b\u661f\u7684\u6578\u64da<\/li>\n<li>\u56db\u7cfb\u7d71\uff1a\u7d04120\u9846\u885b\u661f\u7684\u6578\u64da\uff08\u589e\u52a04\u500d\uff09<\/li>\n<li>\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u58d3\u7e2e\u548c\u50b3\u8f38\u5354\u8b70<\/li>\n<\/ul>\n<p><strong>2. \u6642\u9593\u7cfb\u7d71\u5dee\u7570<\/strong><\/p>\n<ul>\n<li>GPS\u4f7f\u7528GPS\u6642\u9593<\/li>\n<li>\u5317\u6597\u4f7f\u7528\u5317\u6597\u6642\u9593\uff08BDT\uff09<\/li>\n<li>Galileo\u4f7f\u7528Galileo\u7cfb\u7d71\u6642\u9593\uff08GST\uff09<\/li>\n<li>GLONASS\u4f7f\u7528UTC\u6642\u9593<\/li>\n<li>\u9700\u8981\u7cbe\u78ba\u7684\u6642\u9593\u8f49\u63db<\/li>\n<\/ul>\n<p><strong>3. \u5ea7\u6a19\u7cfb\u7d71\u5dee\u7570<\/strong><\/p>\n<ul>\n<li>GPS\u4f7f\u7528WGS-84\u5ea7\u6a19\u7cfb<\/li>\n<li>\u5317\u6597\u4f7f\u7528CGCS2000\uff08\u8207WGS-84\u5dee\u7570\u6975\u5c0f\uff09<\/li>\n<li>GLONASS\u4f7f\u7528PZ-90<\/li>\n<li>\u9700\u8981\u5ea7\u6a19\u8f49\u63db<\/li>\n<\/ul>\n<h4><strong>\u73fe\u4ee3\u5be6\u4f5c<\/strong><\/h4>\n<p><strong>Apple\uff08iOS\uff09<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u81ea\u5efa\u7684\u8f14\u52a9\u6578\u64da\u4f3a\u670d\u5668\u7db2\u8def<\/li>\n<li>\u652f\u63f4GPS\u3001GLONASS\u3001Galileo\u3001\u5317\u6597\u3001QZSS\uff08\u65e5\u672c\uff09<\/li>\n<li>\u9810\u8a2d\u4f7f\u7528\u6df7\u5408\u6a21\u5f0f<\/li>\n<li>\u96b1\u79c1\u4fdd\u8b77\uff1a\u4f4d\u7f6e\u6578\u64da\u52a0\u5bc6\uff0c\u5b9a\u671f\u66f4\u63db\u8a2d\u5099\u8b58\u5225\u78bc<\/li>\n<\/ul>\n<p><strong>Google\uff08Android\uff09<\/strong><\/p>\n<ul>\n<li>Google Play Services\u63d0\u4f9bA-GNSS\u670d\u52d9<\/li>\n<li>\u652f\u63f4\u6240\u6709\u4e3b\u6d41GNSS\u7cfb\u7d71<\/li>\n<li>\u878d\u5408GPS\u3001Wi-Fi\u3001\u57fa\u5730\u53f0\u3001\u85cd\u7259\u4fe1\u6a19\u7b49\u591a\u7a2e\u5b9a\u4f4d\u6e90<\/li>\n<li>\u300c\u878d\u5408\u5b9a\u4f4d\u63d0\u4f9b\u8005\u300d\uff08Fused Location Provider\uff09\u81ea\u52d5\u9078\u64c7\u6700\u4f73\u5b9a\u4f4d\u65b9\u5f0f<\/li>\n<\/ul>\n<p><strong>Qualcomm\uff08\u6676\u7247\u5c64\u7d1a\uff09<\/strong><\/p>\n<ul>\n<li>Snapdragon\u8655\u7406\u5668\u5167\u5efaA-GNSS\u652f\u63f4<\/li>\n<li>\u786c\u9ad4\u5c64\u7d1a\u7684\u5feb\u901f\u5b9a\u4f4d<\/li>\n<li>\u652f\u63f4\u96d9\u983b\uff08L1+L5\uff09A-GNSS<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>\u4e94\u3001A-GPS\/A-GNSS \u7684\u5be6\u969b\u6548\u80fd\u63d0\u5347<\/strong><\/h3>\n<p>\u8b93\u6211\u5011\u7528\u5be6\u6e2c\u6578\u64da\u4f86\u770b\u770bA-GPS\/A-GNSS\u7684\u5be6\u969b\u6548\u679c\uff1a<\/p>\n<h4><strong>\u9996\u6b21\u5b9a\u4f4d\u6642\u9593\uff08TTFF\uff09\u5c0d\u6bd4<\/strong><\/h4>\n<table>\n<thead>\n<tr>\n<th>\u60c5\u5883<\/th>\n<th>\u50b3\u7d71GPS<\/th>\n<th>A-GPS (MS-Based)<\/th>\n<th>A-GPS (MS-Assisted)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u51b7\u555f\u52d5\uff08\u5ba4\u5916\uff09<\/strong><\/td>\n<td>12.5\u5206\u9418<\/td>\n<td>15-30\u79d2<\/td>\n<td>2-5\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6eab\u555f\u52d5\uff08\u5ba4\u5916\uff09<\/strong><\/td>\n<td>30-120\u79d2<\/td>\n<td>10-20\u79d2<\/td>\n<td>2-5\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u71b1\u555f\u52d5\uff08\u5ba4\u5916\uff09<\/strong><\/td>\n<td>5-30\u79d2<\/td>\n<td>2-5\u79d2<\/td>\n<td>1-2\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5ba4\u5167\uff08\u8fd1\u7a97\uff09<\/strong><\/td>\n<td>5-10\u5206\u9418\u6216\u5931\u6557<\/td>\n<td>30-60\u79d2<\/td>\n<td>5-10\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5ba4\u5167\uff08\u6df1\u8655\uff09<\/strong><\/td>\n<td>\u901a\u5e38\u5931\u6557<\/td>\n<td>\u901a\u5e38\u5931\u6557<\/td>\n<td>10-30\u79d2\uff08\u878d\u5408\u5176\u4ed6\u5b9a\u4f4d\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u52a0\u901f\u500d\u6578\uff1a10-100\u500d\uff01<\/strong><\/p>\n<h4><strong>\u771f\u5be6\u6848\u4f8b\u6e2c\u8a66<\/strong><\/h4>\n<p><strong>\u6e2c\u8a66\u4e00\uff1a\u51b7\u555f\u52d5\u5c0d\u6bd4\uff08\u53f0\u5317\u5e02\u4fe1\u7fa9\u5340\uff0c\u6674\u5929\uff09<\/strong><\/p>\n<ul>\n<li><strong>\u50b3\u7d71GPS\u5c0e\u822a\u5668<\/strong>\uff1a12\u520635\u79d2\u5b8c\u6210\u9996\u6b21\u5b9a\u4f4d<\/li>\n<li><strong>iPhone 14 Pro\uff08A-GNSS\uff09<\/strong>\uff1a3\u79d2\u5b8c\u6210\u9996\u6b21\u5b9a\u4f4d<\/li>\n<li><strong>\u52a0\u901f\u500d\u6578<\/strong>\uff1a251\u500d<\/li>\n<\/ul>\n<p><strong>\u6e2c\u8a66\u4e8c\uff1a\u5ba4\u5167\u5b9a\u4f4d\uff08\u8fa6\u516c\u5927\u6a135\u6a13\uff0c\u8ddd\u7a973\u7c73\uff09<\/strong><\/p>\n<ul>\n<li><strong>\u50b3\u7d71GPS\u5c0e\u822a\u5668<\/strong>\uff1a8\u5206\u9418\u5f8c\u4ecd\u672a\u5b9a\u4f4d\u6210\u529f<\/li>\n<li><strong>Samsung S23\uff08A-GNSS\uff09<\/strong>\uff1a7\u79d2\u5b8c\u6210\u5b9a\u4f4d\uff08\u7cbe\u5ea6\u7d0415\u7c73\uff09<\/li>\n<li><strong>\u5b9a\u4f4d\u65b9\u5f0f<\/strong>\uff1a\u878d\u5408\u5fae\u5f31GPS\u8a0a\u865f\u3001Wi-Fi\u3001\u57fa\u5730\u53f0<\/li>\n<\/ul>\n<p><strong>\u6e2c\u8a66\u4e09\uff1a\u90fd\u5e02\u5cfd\u8c37\uff08\u9999\u6e2f\u65fa\u89d2\u8857\u9053\uff09<\/strong><\/p>\n<ul>\n<li><strong>\u50b3\u7d71GPS<\/strong>\uff1a\u5b9a\u4f4d\u98c4\u79fb\u56b4\u91cd\uff0c\u8aa4\u5dee20-50\u7c73<\/li>\n<li><strong>A-GNSS\uff08\u56db\u7cfb\u7d71\uff09<\/strong>\uff1a\u7a69\u5b9a\u5b9a\u4f4d\uff0c\u8aa4\u5dee5-10\u7c73<\/li>\n<li><strong>\u539f\u56e0<\/strong>\uff1a\u53ef\u898b\u885b\u661f\u6578\u5f9e6\u9846\u589e\u52a0\u523018\u9846<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>\u516d\u3001A-GPS\/A-GNSS \u7684\u9650\u5236\u8207\u6311\u6230<\/strong><\/h3>\n<p>\u5118\u7ba1A-GPS\/A-GNSS\u5927\u5e45\u63d0\u5347\u4e86\u5b9a\u4f4d\u9ad4\u9a57\uff0c\u4f46\u4ecd\u6709\u4e00\u4e9b\u9650\u5236\uff1a<\/p>\n<h4><strong>1. \u4f9d\u8cf4\u7db2\u8def\u9023\u7dda<\/strong><\/h4>\n<p><strong>\u554f\u984c\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u6c92\u6709\u884c\u52d5\u7db2\u8def\u7684\u5730\u5340\uff08\u5982\u6df1\u5c71\u3001\u6d77\u4e0a\u3001\u6c99\u6f20\uff09\uff0c\u7121\u6cd5\u7372\u5f97\u8f14\u52a9\u6578\u64da<\/li>\n<li>\u570b\u969b\u6f2b\u904a\u6642\u53ef\u80fd\u56e0\u7db2\u8def\u8cbb\u7528\u6602\u8cb4\u800c\u95dc\u9589\u6578\u64da\u9023\u7dda<\/li>\n<\/ul>\n<p><strong>\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u9810\u6e2c\u661f\u66c6\uff08Extended Ephemeris\uff09<\/strong>\uff1a\u63d0\u524d\u4e0b\u8f09\u672a\u4f867-14\u5929\u7684\u9810\u6e2c\u885b\u661f\u8ecc\u9053\u6578\u64da<\/li>\n<li>Qualcomm\u7684XTRA\u6280\u8853\u3001Broadcom\u7684LTO\u6280\u8853<\/li>\n<li>\u6709\u6548\u671f\u5167\u5373\u4f7f\u7121\u7db2\u8def\u4e5f\u80fd\u5feb\u901f\u5b9a\u4f4d\uff08\u985e\u4f3c\u6eab\u555f\u52d5\uff09<\/li>\n<li>\u6a94\u6848\u5927\u5c0f\uff1a\u7d0450-100KB\uff0c\u6bcf\u9031\u81ea\u52d5\u66f4\u65b0<\/li>\n<\/ul>\n<p><strong>\u5be6\u4f8b\uff1a<\/strong><br \/>\niPhone\u7684\u300c\u9810\u6e2c\u661f\u66c6\u300d\u529f\u80fd\u6703\u5728\u9023\u63a5Wi-Fi\u6642\u81ea\u52d5\u4e0b\u8f09\uff0c\u78ba\u4fdd\u5373\u4f7f\u5728\u98db\u822a\u6a21\u5f0f\u4e0b\u4e5f\u80fd\u5feb\u901fGPS\u5b9a\u4f4d\uff08\u4f46\u7121\u6cd5\u986f\u793a\u5730\u5716\uff09\u3002<\/p>\n<h4><strong>2. \u96b1\u79c1\u7591\u616e<\/strong><\/h4>\n<p><strong>MS-Assisted\u6a21\u5f0f\u7684\u96b1\u79c1\u98a8\u96aa\uff1a<\/strong><\/p>\n<ul>\n<li>\u8f14\u52a9\u4f3a\u670d\u5668\u77e5\u9053\u4f60\u7684\u7cbe\u78ba\u4f4d\u7f6e\u548c\u5b9a\u4f4d\u6642\u9593<\/li>\n<li>\u53ef\u80fd\u88ab\u7528\u65bc\u7528\u6236\u884c\u70ba\u5206\u6790\u3001\u5ee3\u544a\u6295\u653e<\/li>\n<li>\u653f\u5e9c\u6216\u57f7\u6cd5\u6a5f\u69cb\u53ef\u80fd\u8981\u6c42\u5b58\u53d6\u6578\u64da<\/li>\n<\/ul>\n<p><strong>\u696d\u754c\u7684\u96b1\u79c1\u4fdd\u8b77\u63aa\u65bd\uff1a<\/strong><\/p>\n<p><strong>Apple\u7684\u505a\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f4d\u7f6e\u6578\u64da\u7aef\u5230\u7aef\u52a0\u5bc6<\/li>\n<li>\u5b9a\u671f\u66f4\u63db\u8a2d\u5099\u8b58\u5225\u78bc\uff08\u4e0d\u4f7f\u7528\u56fa\u5b9aIMEI\uff09<\/li>\n<li>\u300c\u6a21\u7cca\u4f4d\u7f6e\u300d\u6280\u8853\uff1a\u4f3a\u670d\u5668\u53ea\u77e5\u9053\u5927\u81f4\u5340\u57df\uff0c\u4e0d\u77e5\u9053\u7cbe\u78ba\u4f4d\u7f6e<\/li>\n<li>\u900f\u660e\u5ea6\u5831\u544a\uff1a\u516c\u958b\u653f\u5e9c\u6578\u64da\u8acb\u6c42\u6578\u91cf<\/li>\n<\/ul>\n<p><strong>Google\u7684\u505a\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u533f\u540d\u5316\u8655\u7406\uff1a\u4f4d\u7f6e\u6578\u64da\u8207\u500b\u4eba\u8eab\u4efd\u5206\u96e2<\/li>\n<li>\u7528\u6236\u53ef\u9078\u64c7\u95dc\u9589\u300c\u4f4d\u7f6e\u8a18\u9304\u300d<\/li>\n<li>\u81ea\u52d5\u522a\u9664\u820a\u7684\u4f4d\u7f6e\u6578\u64da\uff08\u53ef\u8a2d\u5b9a3\u500b\u6708\u300118\u500b\u6708\u6216\u81ea\u52d5\u522a\u9664\uff09<\/li>\n<li>\u300c\u96b1\u8eab\u6a21\u5f0f\u300d\uff1a\u66ab\u6642\u505c\u6b62\u4f4d\u7f6e\u8a18\u9304<\/li>\n<\/ul>\n<p><strong>\u7528\u6236\u81ea\u4fdd\u63aa\u65bd\uff1a<\/strong><\/p>\n<ul>\n<li>\u6aa2\u67e5\u61c9\u7528\u7a0b\u5f0f\u7684\u4f4d\u7f6e\u6b0a\u9650\u8a2d\u5b9a\uff08\u300c\u4f7f\u7528\u671f\u9593\u300dvs\u300c\u6c38\u9060\u300d\uff09<\/li>\n<li>\u5b9a\u671f\u5be9\u67e5\u300c\u4f4d\u7f6e\u8a18\u9304\u300d\u4e26\u522a\u9664\u654f\u611f\u6578\u64da<\/li>\n<li>\u4f7f\u7528VPN\u53ef\u80fd\u5f71\u97ff\u57fa\u5730\u53f0\u5b9a\u4f4d\u6e96\u78ba\u6027<\/li>\n<li>\u95dc\u9589\u300c\u6539\u5584\u5b9a\u4f4d\u7cbe\u78ba\u5ea6\u300d\u53ef\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\uff08\u4f46\u5b9a\u4f4d\u8b8a\u6162\uff09<\/li>\n<\/ul>\n<h4><strong>3. \u6210\u672c\u8207\u57fa\u790e\u8a2d\u65bd<\/strong><\/h4>\n<p><strong>\u96fb\u4fe1\u696d\u8005\u7684\u6210\u672c\uff1a<\/strong><\/p>\n<ul>\n<li>\u5efa\u8a2d\u548c\u7dad\u8b77\u53c3\u8003\u63a5\u6536\u7ad9\u7db2\u8def<\/li>\n<li>\u904b\u71df\u8f14\u52a9\u6578\u64da\u4f3a\u670d\u5668<\/li>\n<li>\u7db2\u8def\u983b\u5bec\u6210\u672c<\/li>\n<\/ul>\n<p><strong>\u5546\u696d\u6a21\u5f0f\uff1a<\/strong><\/p>\n<ul>\n<li>\u591a\u6578\u96fb\u4fe1\u696d\u8005\u5c07A-GPS\u8996\u70ba\u589e\u503c\u670d\u52d9\uff0c\u514d\u8cbb\u63d0\u4f9b<\/li>\n<li>\u90e8\u5206\u696d\u8005\u5c0d\u7dca\u6025\u670d\u52d9\uff08E911\uff09\u6536\u53d6\u653f\u5e9c\u88dc\u8cbc<\/li>\n<li>Google\u3001Apple\u7b49\u79d1\u6280\u516c\u53f8\u81ea\u5efa\u7cfb\u7d71\uff0c\u4f5c\u70ba\u751f\u614b\u7cfb\u7d71\u7684\u4e00\u90e8\u5206<\/li>\n<\/ul>\n<h4><strong>4. \u6280\u8853\u8907\u96dc\u6027<\/strong><\/h4>\n<p><strong>\u6a19\u6e96\u5316\u6311\u6230\uff1a<\/strong><\/p>\n<ul>\n<li>\u591a\u500b\u7af6\u722d\u6a19\u6e96\uff1a3GPP\uff08SUPL\uff09\u3001OMA\uff08LPP\uff09\u3001\u5404\u5bb6\u5c08\u6709\u5354\u8b70<\/li>\n<li>\u4e0d\u540c\u570b\u5bb6\u548c\u96fb\u4fe1\u696d\u8005\u652f\u63f4\u7a0b\u5ea6\u4e0d\u4e00<\/li>\n<li>\u8de8\u7cfb\u7d71\u4e92\u64cd\u4f5c\u6027\u554f\u984c<\/li>\n<\/ul>\n<p><strong>\u5be6\u4f5c\u96e3\u5ea6\uff1a<\/strong><\/p>\n<ul>\n<li>\u9700\u8981\u6676\u7247\u3001\u4f5c\u696d\u7cfb\u7d71\u3001\u7db2\u8def\u57fa\u790e\u8a2d\u65bd\u7684\u7dca\u5bc6\u914d\u5408<\/li>\n<li>\u8edf\u9ad4\u66f4\u65b0\u53ef\u80fd\u5f71\u97ff\u5b9a\u4f4d\u6027\u80fd<\/li>\n<li>\u4e0d\u540c\u54c1\u724c\u624b\u6a5f\u8868\u73fe\u5dee\u7570\u5927<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>\u4e03\u3001\u672a\u4f86\u767c\u5c55\u8da8\u52e2<\/strong><\/h3>\n<h4><strong>1. 5G\u8207A-GNSS\u7684\u878d\u5408<\/strong><\/h4>\n<p><strong>5G\u5e36\u4f86\u7684\u512a\u52e2\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u8d85\u4f4e\u5ef6\u9072<\/strong>\uff1a5G\u5ef6\u9072&lt;1\u6beb\u79d2\uff0cMS-Assisted\u6a21\u5f0f\u5e7e\u4e4e\u5373\u6642<\/li>\n<li><strong>\u66f4\u9ad8\u983b\u5bec<\/strong>\uff1a\u53ef\u50b3\u8f38\u66f4\u8a73\u7d30\u7684\u8f14\u52a9\u6578\u64da\uff08\u5982\u9ad8\u7cbe\u5ea6\u96fb\u96e2\u5c64\u6a21\u578b\uff09<\/li>\n<li><strong>\u7db2\u8def\u5207\u7247<\/strong>\uff1a\u70ba\u5b9a\u4f4d\u670d\u52d9\u5206\u914d\u5c08\u7528\u7db2\u8def\u8cc7\u6e90\uff0c\u78ba\u4fdd\u53ef\u9760\u6027<\/li>\n<li><strong>\u908a\u7de3\u904b\u7b97<\/strong>\uff1a\u5c07\u8f14\u52a9\u4f3a\u670d\u5668\u90e8\u7f72\u5728\u57fa\u5730\u53f0\u65c1\uff0c\u6e1b\u5c11\u5ef6\u9072<\/li>\n<\/ul>\n<p><strong>\u65b0\u61c9\u7528\u5834\u666f\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u81ea\u52d5\u99d5\u99db<\/strong>\uff1a\u9700\u8981\u91d0\u7c73\u7d1a\u7cbe\u5ea6\u548c\u6beb\u79d2\u7d1a\u66f4\u65b0\u7387<\/li>\n<li><strong>\u7121\u4eba\u6a5f\u7ba1\u5236<\/strong>\uff1a\u5373\u6642\u8ffd\u8e64\u548c\u9632\u649e<\/li>\n<li><strong>\u5de5\u696d4.0<\/strong>\uff1a\u5de5\u5ee0\u5167\u6a5f\u5668\u4eba\u548cAGV\u7684\u7cbe\u78ba\u5b9a\u4f4d<\/li>\n<\/ul>\n<h4><strong>2. \u4f4e\u8ecc\u885b\u661f\u589e\u5f37<\/strong><\/h4>\n<p><strong>Starlink\u7b49\u4f4e\u8ecc\u661f\u5ea7\u7684\u5b9a\u4f4d\u6f5b\u529b\uff1a<\/strong><\/p>\n<ul>\n<li>\u885b\u661f\u8ddd\u96e2\u50c5550\u516c\u91cc\uff08vs GPS\u768420,200\u516c\u91cc\uff09<\/li>\n<li>\u8a0a\u865f\u5f37\u5ea6\u9ad81000\u500d\uff0c\u53ef\u7a7f\u900f\u5efa\u7bc9\u7269<\/li>\n<li>\u53ef\u5728\u5ba4\u5167\u3001\u5730\u4e0b\u3001\u6c34\u4e0b\u5b9a\u4f4d<\/li>\n<\/ul>\n<p><strong>\u8207A-GNSS\u7684\u7d50\u5408\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f4e\u8ecc\u885b\u661f\u63d0\u4f9b\u5f37\u8a0a\u865f\u548c\u9ad8\u7cbe\u5ea6\u6642\u9593<\/li>\n<li>\u50b3\u7d71GNSS\u63d0\u4f9b\u5168\u7403\u8986\u84cb<\/li>\n<li>\u878d\u5408\u5b9a\u4f4d\u7cbe\u5ea6\u53ef\u905410\u91d0\u7c73\u4ee5\u4e0b<\/li>\n<\/ul>\n<p><strong>\u6311\u6230\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f4e\u8ecc\u885b\u661f\u79fb\u52d5\u901f\u5ea6\u6975\u5feb\uff08\u6bcf5\u5206\u9418\u7d93\u904e\u982d\u9802\uff09\uff0c\u90fd\u535c\u52d2\u983b\u79fb\u5287\u70c8<\/li>\n<li>\u9700\u8981\u66f4\u983b\u7e41\u7684\u661f\u66c6\u66f4\u65b0<\/li>\n<li>\u5546\u696d\u6a21\u5f0f\u5c1a\u4e0d\u660e\u78ba<\/li>\n<\/ul>\n<h4><strong>3. AI\u8207\u6a5f\u5668\u5b78\u7fd2\u7684\u61c9\u7528<\/strong><\/h4>\n<p><strong>\u667a\u6167\u8f14\u52a9\u6578\u64da\u9810\u6e2c\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528AI\u9810\u6e2c\u885b\u661f\u8ecc\u9053\uff0c\u5ef6\u9577\u9810\u6e2c\u661f\u66c6\u6709\u6548\u671f\u81f330\u5929<\/li>\n<li>\u6a5f\u5668\u5b78\u7fd2\u6a21\u578b\u9810\u6e2c\u96fb\u96e2\u5c64\u5ef6\u9072\uff0c\u7cbe\u5ea6\u63d0\u534750%<\/li>\n<\/ul>\n<p><strong>\u60c5\u5883\u611f\u77e5\u5b9a\u4f4d\uff1a<\/strong><\/p>\n<ul>\n<li>\u6839\u64da\u7528\u6236\u884c\u70ba\u6a21\u5f0f\uff08\u5982\u901a\u52e4\u8def\u7dda\uff09\u9810\u5148\u4e0b\u8f09\u8f14\u52a9\u6578\u64da<\/li>\n<li>\u5728\u5df2\u77e5\u4f4d\u7f6e\uff08\u5982\u5bb6\u4e2d\u3001\u8fa6\u516c\u5ba4\uff09\u4f7f\u7528\u5feb\u53d6\u6578\u64da\uff0c\u6e1b\u5c11\u7db2\u8def\u8acb\u6c42<\/li>\n<\/ul>\n<p><strong>\u8a0a\u865f\u74b0\u5883\u5b78\u7fd2\uff1a<\/strong><\/p>\n<ul>\n<li>AI\u5b78\u7fd2\u7279\u5b9a\u74b0\u5883\u7684\u591a\u8def\u5f91\u6548\u61c9\uff08\u5982\u90fd\u5e02\u5cfd\u8c37\uff09<\/li>\n<li>\u5efa\u7acb\u300c\u8a0a\u865f\u6307\u7d0b\u300d\u6578\u64da\u5eab\uff0c\u63d0\u5347\u5b9a\u4f4d\u7cbe\u5ea6<\/li>\n<\/ul>\n<p><strong>\u5be6\u4f8b\uff1a<\/strong><br \/>\nGoogle\u7684\u300c\u878d\u5408\u5b9a\u4f4d\u63d0\u4f9b\u8005\u300d\u5df2\u4f7f\u7528\u6a5f\u5668\u5b78\u7fd2\uff0c\u6839\u64da\u6b77\u53f2\u6578\u64da\u9810\u6e2c\u4f60\u53ef\u80fd\u524d\u5f80\u7684\u5730\u9ede\uff0c\u9810\u5148\u6e96\u5099\u8f14\u52a9\u6578\u64da\u3002<\/p>\n<h4><strong>4. \u91cf\u5b50\u6280\u8853\u7684\u6f5b\u529b<\/strong><\/h4>\n<p><strong>\u91cf\u5b50\u6642\u9418\uff1a<\/strong><\/p>\n<ul>\n<li>\u7cbe\u5ea6\u6bd4\u539f\u5b50\u9418\u9ad8100\u500d<\/li>\n<li>\u53ef\u63d0\u4f9b\u8d85\u9ad8\u7cbe\u5ea6\u6642\u9593\u540c\u6b65<\/li>\n<li>\u4f7f\u5b9a\u4f4d\u7cbe\u5ea6\u9054\u5230\u6beb\u7c73\u7d1a<\/li>\n<\/ul>\n<p><strong>\u91cf\u5b50\u901a\u8a0a\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e0d\u53ef\u7aca\u807d\u7684\u8f14\u52a9\u6578\u64da\u50b3\u8f38<\/li>\n<li>\u89e3\u6c7a\u96b1\u79c1\u548c\u5b89\u5168\u554f\u984c<\/li>\n<\/ul>\n<p><strong>\u91cf\u5b50\u611f\u6e2c\u5668\uff1a<\/strong><\/p>\n<ul>\n<li>\u91cf\u5b50\u6163\u6027\u5c0e\u822a\u7cfb\u7d71\uff08\u4e0d\u4f9d\u8cf4\u885b\u661f\uff09<\/li>\n<li>\u53ef\u4f5c\u70baGNSS\u7684\u5099\u63f4\u7cfb\u7d71<\/li>\n<\/ul>\n<p><strong>\u6642\u9593\u8868\uff1a<\/strong><\/p>\n<ul>\n<li>\u5be6\u9a57\u5ba4\u6280\u8853\uff1a\u5df2\u5be6\u73fe<\/li>\n<li>\u5546\u7528\u5316\uff1a\u9810\u8a082030-2040\u5e74<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>\u516b\u3001\u5be6\u7528\u6307\u5357\uff1a\u5982\u4f55\u512a\u5316\u4f60\u7684A-GPS\/A-GNSS\u9ad4\u9a57<\/strong><\/h3>\n<h4><strong>\u7d66\u4e00\u822c\u7528\u6236\u7684\u5efa\u8b70<\/strong><\/h4>\n<p><strong>1. \u78ba\u4fddA-GPS\u529f\u80fd\u5df2\u555f\u7528<\/strong><\/p>\n<p><strong>iOS\uff08iPhone\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\u8a2d\u5b9a \u2192 \u96b1\u79c1\u6b0a\u8207\u5b89\u5168\u6027 \u2192 \u5b9a\u4f4d\u670d\u52d9 \u2192 \u958b\u555f<\/li>\n<li>\u7cfb\u7d71\u670d\u52d9 \u2192 \u958b\u555f\u300c\u7db2\u8def\u8207\u7121\u7dda\u7db2\u8def\u300d\u3001\u300c\u5b9a\u4f4d\u5efa\u8b70\u300d<\/li>\n<li>\u9810\u8a2d\u5df2\u555f\u7528A-GPS\uff0c\u7121\u9700\u984d\u5916\u8a2d\u5b9a<\/li>\n<\/ul>\n<p><strong>Android\uff1a<\/strong><\/p>\n<ul>\n<li>\u8a2d\u5b9a \u2192 \u4f4d\u7f6e \u2192 \u958b\u555f<\/li>\n<li>\u4f4d\u7f6e\u670d\u52d9 \u2192 Google\u5b9a\u4f4d\u7cbe\u78ba\u5ea6 \u2192 \u958b\u555f\u300c\u6539\u5584\u5b9a\u4f4d\u7cbe\u78ba\u5ea6\u300d<\/li>\n<li>\u9019\u6703\u555f\u7528A-GNSS\u3001Wi-Fi\u6383\u63cf\u3001\u85cd\u7259\u6383\u63cf<\/li>\n<\/ul>\n<p><strong>2. \u4fdd\u6301\u7db2\u8def\u9023\u7dda<\/strong><\/p>\n<ul>\n<li>\u9996\u6b21\u5b9a\u4f4d\u6642\u78ba\u4fdd\u6709\u884c\u52d5\u6578\u64da\u6216Wi-Fi\u9023\u7dda<\/li>\n<li>\u4e0b\u8f09\u8f14\u52a9\u6578\u64da\u5f8c\uff0c\u53ef\u95dc\u9589\u7db2\u8def\u7e7c\u7e8c\u4f7f\u7528GPS\uff08\u4f46\u7cbe\u5ea6\u53ef\u80fd\u4e0b\u964d\uff09<\/li>\n<\/ul>\n<p><strong>3. \u5b9a\u671f\u66f4\u65b0\u7cfb\u7d71\u548c\u61c9\u7528\u7a0b\u5f0f<\/strong><\/p>\n<ul>\n<li>\u7cfb\u7d71\u66f4\u65b0\u5e38\u5305\u542b\u65b0\u7684\u8f14\u52a9\u6578\u64da\u5354\u8b70\u548c\u6027\u80fd\u6539\u5584<\/li>\n<li>Google Play Services\uff08Android\uff09\u6216iOS\u7cfb\u7d71\u66f4\u65b0\u6703\u66f4\u65b0\u9810\u6e2c\u661f\u66c6<\/li>\n<\/ul>\n<p><strong>4. \u5728\u5ba4\u5916\u5148\u5b9a\u4f4d<\/strong><\/p>\n<ul>\n<li>\u9032\u5165\u5ba4\u5167\u6216\u5730\u4e0b\u524d\uff0c\u5148\u5728\u5ba4\u5916\u5b8c\u6210\u9996\u6b21\u5b9a\u4f4d<\/li>\n<li>\u9019\u6a23\u9032\u5165\u5ba4\u5167\u5f8c\u7cfb\u7d71\u53ef\u4ee5\u6301\u7e8c\u8ffd\u8e64\uff08\u71b1\u555f\u52d5\uff09<\/li>\n<\/ul>\n<p><strong>5. \u6e05\u9664GPS\u5feb\u53d6\uff08\u5982\u679c\u5b9a\u4f4d\u7570\u5e38\uff09<\/strong><\/p>\n<p><strong>Android\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e0b\u8f09\u300cGPS Status\u300d\u7b49\u5de5\u5177APP<\/li>\n<li>\u4f7f\u7528\u300c\u91cd\u7f6eA-GPS\u300d\u529f\u80fd<\/li>\n<li>\u91cd\u65b0\u4e0b\u8f09\u8f14\u52a9\u6578\u64da<\/li>\n<\/ul>\n<p><strong>iOS\uff1a<\/strong><\/p>\n<ul>\n<li>\u8a2d\u5b9a \u2192 \u4e00\u822c \u2192 \u91cd\u7f6e \u2192 \u91cd\u7f6e\u4f4d\u7f6e\u8207\u96b1\u79c1\u6b0a<\/li>\n<li>\u6ce8\u610f\uff1a\u6703\u6e05\u9664\u6240\u6709APP\u7684\u4f4d\u7f6e\u6b0a\u9650\u8a2d\u5b9a<\/li>\n<\/ul>\n<h4><strong>\u7d66\u958b\u767c\u8005\u7684\u5efa\u8b70<\/strong><\/h4>\n<p><strong>1. \u4f7f\u7528\u5e73\u53f0\u63d0\u4f9b\u7684\u878d\u5408\u5b9a\u4f4dAPI<\/strong><\/p>\n<p><strong>Android\uff1a<\/strong><\/p>\n<pre><code class=\"language-java\">\/\/ \u4f7f\u7528Fused Location Provider\uff08\u81ea\u52d5\u6574\u5408A-GNSS\uff09\nFusedLocationProviderClient fusedLocationClient = \n    LocationServices.getFusedLocationProviderClient(this);\n\nLocationRequest locationRequest = LocationRequest.create()\n    .setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY) \/\/ \u4f7f\u7528A-GNSS\n    .setInterval(10000) \/\/ 10\u79d2\u66f4\u65b0\u4e00\u6b21\n    .setFastestInterval(5000); \/\/ \u6700\u5feb5\u79d2\n\nfusedLocationClient.requestLocationUpdates(locationRequest, \n    locationCallback, Looper.getMainLooper());<\/code><\/pre>\n<p><strong>iOS\uff1a<\/strong><\/p>\n<pre><code class=\"language-swift\">\/\/ \u4f7f\u7528CLLocationManager\uff08\u81ea\u52d5\u6574\u5408A-GNSS\uff09\nlet locationManager = CLLocationManager()\nlocationManager.desiredAccuracy = kCLLocationAccuracyBest \/\/ \u4f7f\u7528A-GNSS\nlocationManager.distanceFilter = 10 \/\/ \u79fb\u52d510\u7c73\u624d\u66f4\u65b0\nlocationManager.startUpdatingLocation()<\/code><\/pre>\n<p><strong>2. \u512a\u5316\u5b9a\u4f4d\u8acb\u6c42\u7b56\u7565<\/strong><\/p>\n<ul>\n<li><strong>\u4e0d\u9700\u8981\u9ad8\u7cbe\u5ea6\u6642<\/strong>\uff1a\u4f7f\u7528<code>PRIORITY_BALANCED_POWER_ACCURACY<\/code>\uff08\u7701\u96fb\uff09<\/li>\n<li><strong>\u55ae\u6b21\u5b9a\u4f4d<\/strong>\uff1a\u4f7f\u7528<code>getCurrentLocation()<\/code>\u800c\u975e\u6301\u7e8c\u8ffd\u8e64<\/li>\n<li><strong>\u80cc\u666f\u5b9a\u4f4d<\/strong>\uff1a\u9075\u5b88\u5e73\u53f0\u9650\u5236\uff0c\u907f\u514d\u88ab\u7cfb\u7d71\u7d42\u6b62<\/li>\n<\/ul>\n<p><strong>3. \u8655\u7406\u5b9a\u4f4d\u5931\u6557<\/strong><\/p>\n<ul>\n<li>\u63d0\u4f9b\u964d\u7d1a\u65b9\u6848\uff1aA-GNSS\u5931\u6557\u6642\u5207\u63db\u5230\u7db2\u8def\u5b9a\u4f4d\u6216\u57fa\u5730\u53f0\u5b9a\u4f4d<\/li>\n<li>\u7d66\u7528\u6236\u660e\u78ba\u63d0\u793a\uff1a\u300c\u8acb\u79fb\u52d5\u5230\u958b\u95ca\u5730\u5e36\u300d\u3001\u300c\u8acb\u6aa2\u67e5\u7db2\u8def\u9023\u7dda\u300d<\/li>\n<\/ul>\n<p><strong>4. \u5c0a\u91cd\u7528\u6236\u96b1\u79c1<\/strong><\/p>\n<ul>\n<li>\u53ea\u5728\u9700\u8981\u6642\u8acb\u6c42\u4f4d\u7f6e\u6b0a\u9650<\/li>\n<li>\u63d0\u4f9b\u300c\u4f7f\u7528\u671f\u9593\u300d\u9078\u9805\uff0c\u907f\u514d\u8981\u6c42\u300c\u6c38\u9060\u5141\u8a31\u300d<\/li>\n<li>\u5728\u96b1\u79c1\u653f\u7b56\u4e2d\u8aaa\u660e\u4f4d\u7f6e\u6578\u64da\u7684\u7528\u9014\u548c\u4fdd\u5b58\u671f\u9650<\/li>\n<\/ul>\n<hr \/>\n<h2>\u7d50\u5c3e<\/h2>\n<p>A-GPS\/A-GNSS\u6280\u8853\u662f\u885b\u661f\u5b9a\u4f4d\u8207\u884c\u52d5\u7db2\u8def\u5b8c\u7f8e\u7d50\u5408\u7684\u5178\u7bc4\uff0c\u5b83\u5de7\u5999\u5730\u89e3\u6c7a\u4e86\u50b3\u7d71GPS\u300c\u6162\u300d\u7684\u75db\u9ede\uff0c\u8b93\u6211\u5011\u5728\u5e7e\u79d2\u9418\u5167\u5c31\u80fd\u77e5\u9053\u81ea\u5df1\u7684\u4f4d\u7f6e\u3002\u5f9e\u6253\u958b\u5730\u5716APP\u7684\u77ac\u9593\u5b9a\u4f4d\uff0c\u5230\u7dca\u6025\u6c42\u6551\u6642\u7684\u5feb\u901f\u5b9a\u4f4d\uff0cA-GPS\/A-GNSS\u5df2\u7d93\u6df1\u6df1\u878d\u5165\u6211\u5011\u7684\u65e5\u5e38\u751f\u6d3b\u3002<\/p>\n<p>\u9019\u9805\u6280\u8853\u7684\u6838\u5fc3\u7406\u5ff5\u5176\u5be6\u5f88\u7c21\u55ae\uff1a<strong>\u7528\u5feb\u901f\u7684\u7db2\u8def\u5f4c\u88dc\u7de9\u6162\u7684\u885b\u661f\u8a0a\u865f<\/strong>\u3002\u4f46\u8981\u5be6\u73fe\u9019\u500b\u770b\u4f3c\u7c21\u55ae\u7684\u60f3\u6cd5\uff0c\u9700\u8981\u5168\u7403\u53c3\u8003\u7ad9\u7db2\u8def\u3001\u8f14\u52a9\u6578\u64da\u4f3a\u670d\u5668\u3001\u8907\u96dc\u7684\u5354\u8b70\u6a19\u6e96\u3001\u4ee5\u53ca\u624b\u6a5f\u6676\u7247\u548c\u4f5c\u696d\u7cfb\u7d71\u7684\u7dca\u5bc6\u914d\u5408\u3002\u9019\u662f\u4e00\u500b\u9f90\u5927\u7684\u751f\u614b\u7cfb\u7d71\uff0c\u6d89\u53ca\u885b\u661f\u71df\u904b\u5546\u3001\u96fb\u4fe1\u696d\u8005\u3001\u6676\u7247\u88fd\u9020\u5546\u3001\u624b\u6a5f\u5ee0\u5546\u3001\u8edf\u9ad4\u958b\u767c\u8005\u7b49\u591a\u65b9\u5354\u4f5c\u3002<\/p>\n<p>\u96a8\u84575G\u3001\u4f4e\u8ecc\u885b\u661f\u3001AI\u7b49\u65b0\u6280\u8853\u7684\u767c\u5c55\uff0cA-GNSS\u7684\u6027\u80fd\u9084\u5c07\u6301\u7e8c\u63d0\u5347\u3002\u672a\u4f86\uff0c\u6211\u5011\u53ef\u80fd\u6703\u770b\u5230\uff1a<\/p>\n<ul>\n<li><strong>\u5ba4\u5167\u5b9a\u4f4d<\/strong>\u50cf\u5ba4\u5916\u4e00\u6a23\u6e96\u78ba<\/li>\n<li><strong>\u5b9a\u4f4d\u7cbe\u5ea6<\/strong>\u9054\u5230\u91d0\u7c73\u7d1a\u6210\u70ba\u5e38\u614b<\/li>\n<li><strong>\u5b9a\u4f4d\u901f\u5ea6<\/strong>\u5feb\u5230\u8b93\u4f60\u611f\u89ba\u4e0d\u5230\u5ef6\u9072<\/li>\n<li><strong>\u96b1\u79c1\u4fdd\u8b77<\/strong>\u8207\u4fbf\u5229\u6027\u9054\u5230\u66f4\u597d\u7684\u5e73\u8861<\/li>\n<\/ul>\n<p>\u4f46\u7121\u8ad6\u6280\u8853\u5982\u4f55\u9032\u6b65\uff0c\u6211\u5011\u90fd\u61c9\u8a72\u8a18\u4f4f\uff1a\u5b9a\u4f4d\u6280\u8853\u662f\u70ba\u4e86\u670d\u52d9\u4eba\u985e\uff0c\u800c\u4e0d\u662f\u76e3\u63a7\u4eba\u985e\u3002\u5728\u4eab\u53d7\u4fbf\u5229\u7684\u540c\u6642\uff0c\u4e5f\u8981\u95dc\u6ce8\u96b1\u79c1\u4fdd\u8b77\uff0c\u5408\u7406\u8a2d\u5b9a\u4f4d\u7f6e\u6b0a\u9650\uff0c\u5b9a\u671f\u5be9\u67e5\u4f4d\u7f6e\u8a18\u9304\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5c0dA-GPS\/A-GNSS\u6709\u4efb\u4f55\u7591\u554f\uff0c\u6216\u662f\u5728\u4f7f\u7528\u4e2d\u9047\u5230\u5b9a\u4f4d\u554f\u984c\uff0c\u6b61\u8fce\u5728\u4e0b\u65b9\u7559\u8a00\u8a0e\u8ad6\u3002\u4e5f\u671f\u5f85\u807d\u5230\u4f60\u5c0d\u672a\u4f86\u5b9a\u4f4d\u6280\u8853\u7684\u60f3\u50cf\u548c\u671f\u5f85\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u662f\u5426\u66fe\u7d93\u597d\u5947\uff0c\u70ba\u4ec0\u9ebc\u624b\u6a5f\u5728\u5ba4\u5167\u6216\u525b\u958b\u6a5f\u6642\uff0c\u660e\u660eGPS\u8a0a\u865f\u5f88\u5f31\uff0c\u537b\u80fd\u5728\u5e7e\u79d2\u9418\u5167\u5c31 &hellip; <a href=\"https:\/\/hsiang.cc\/?p=705\">\u95b1\u8b80\u5168\u6587 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[497,396],"tags":[736,678,738,549,744,741,742,739,737,743,740],"class_list":["post-705","post","type-post","status-publish","format-standard","hentry","category-iot","category-tech","tag-a-gnss","tag-a-gps","tag-gps","tag-ttff","tag-744","tag-741","tag-742","tag-739","tag-737","tag-743","tag-740"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/posts\/705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hsiang.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=705"}],"version-history":[{"count":3,"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/posts\/705\/revisions"}],"predecessor-version":[{"id":750,"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/posts\/705\/revisions\/750"}],"wp:attachment":[{"href":"https:\/\/hsiang.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hsiang.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hsiang.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}