{"id":690,"date":"2025-12-24T01:37:11","date_gmt":"2025-12-23T17:37:11","guid":{"rendered":"https:\/\/hsiang.cc\/?p=690"},"modified":"2025-12-25T01:07:49","modified_gmt":"2025-12-24T17:07:49","slug":"gnss%e7%ad%86%e8%a8%98cep%e3%80%812drms-%e5%88%b0%e5%ba%95%e6%98%af%e4%bb%80%e9%ba%bc%e9%ac%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/hsiang.cc\/?p=690","title":{"rendered":"[GNSS\u7b46\u8a18]CEP\u30012DRMS \u5230\u5e95\u662f\u7528\u4f86\u505a\u4ec0\u9ebc\u7684\uff1f"},"content":{"rendered":"<p>\u8a18\u5f97\u6709\u4e00\u5929\u4e0b\u5348\uff0c\u540c\u4e8b\u50b3\u4f86\u4e00\u4efd GNSS \u6e2c\u8a66\u5831\u544a\uff0c\u8aaa\u8981\u6211\u5e6b\u5fd9\u78ba\u8a8d\u3002\u6211\u6253\u958b\u6a94\u6848\uff0c\u6eff\u6eff\u7684\u6578\u64da\u8868\u683c\u6620\u5165\u773c\u7c3e\uff1a<\/p>\n<pre><code>\u6e2c\u8a66\u9805\u76ee\uff1a\u5b9a\u4f4d\u7cbe\u5ea6\nCEP: 2.5m\n2DRMS: 5.8m\n\u6e2c\u8a66\u9ede\u6578: 1000<\/code><\/pre>\n<p>\u7576\u4e0b\u6211\u7684\u5167\u5fc3 OS\uff1a\u300cCEP\uff1f2DRMS\uff1f\u9019\u662f\u4ec0\u9ebc\u5916\u661f\u6587\uff1f\ud83e\udd14\u300d<\/p>\n<p><!--more--><\/p>\n<p>\u8eab\u70ba\u4e00\u500b\u8ca0\u8cac\u4efb\u7684\u5de5\u7a0b\u5e2b\uff0c\u6211\u4e0d\u80fd\u5c31\u9019\u6a23\u88dd\u61c2\u5e36\u904e\u3002\u65bc\u662f\u958b\u59cb\u4e86\u6211\u7684\u300c\u6578\u5b57\u63a2\u7d22\u4e4b\u65c5\u300d\uff0c\u82b1\u4e86\u597d\u5e7e\u5929\u6642\u9593\uff0c\u5f9e Google\u3001\u6280\u8853\u6587\u4ef6\u5230\u8acb\u6559\u524d\u8f29\uff0c\u7d42\u65bc\u641e\u61c2\u9019\u4e9b\u6578\u5b57\u80cc\u5f8c\u7684\u610f\u7fa9\u3002<\/p>\n<p>\u4eca\u5929\u5c31\u4f86\u5206\u4eab\u9019\u6bb5\u300c\u5f9e\u9727\u88e1\u770b\u82b1\u5230\u604d\u7136\u5927\u609f\u300d\u7684\u904e\u7a0b\uff0c\u5e0c\u671b\u80fd\u5e6b\u5230\u8ddf\u7576\u6642\u7684\u6211\u4e00\u6a23\u56f0\u60d1\u7684\u4f60\uff01<\/p>\n<hr \/>\n<h2>\u7b2c\u4e00\u500b\u7591\u554f\uff1a\u9019\u4e9b\u6578\u5b57\u5230\u5e95\u5728\u8aaa\u4ec0\u9ebc\uff1f<\/h2>\n<h3>\u6211\u6700\u521d\u7684\u8aa4\u89e3<\/h3>\n<p>\u770b\u5230\u5831\u544a\u4e0a\u5beb\uff1a<\/p>\n<ul>\n<li>CEP: 2.5m<\/li>\n<li>2DRMS: 5.8m<\/li>\n<\/ul>\n<p>\u6211\u76f4\u89ba\u7684\u60f3\u6cd5\u662f\uff1a\u300c\u54a6\uff1f\u70ba\u4ec0\u9ebc\u6709\u5169\u500b\u7cbe\u5ea6\u6578\u5b57\uff1f\u54ea\u500b\u624d\u662f\u771f\u7684\uff1f\u800c\u4e14\u70ba\u4ec0\u9ebc\u4e00\u500b 2.5m\uff0c\u53e6\u4e00\u500b\u537b\u662f 5.8m\uff1f\u96e3\u9053\u6e2c\u4e86\u5169\u6b21\uff1f\u300d<\/p>\n<h3>\u5f8c\u4f86\u624d\u77e5\u9053\u7684\u771f\u76f8<\/h3>\n<p><strong>\u9019\u5169\u500b\u6578\u5b57\u5176\u5be6\u662f\u5728\u63cf\u8ff0\u300c\u540c\u4e00\u7d44\u6e2c\u8a66\u6578\u64da\u300d\uff0c\u53ea\u662f\u7528\u4e0d\u540c\u7684\u7d71\u8a08\u65b9\u6cd5\u4f86\u5448\u73fe\uff01<\/strong><\/p>\n<p>\u5c31\u50cf\u4f60\u8003\u8a66\u8003\u4e86 85 \u5206\uff0c\u53ef\u4ee5\u8aaa\uff1a<\/p>\n<ul>\n<li>\u300c\u6211\u6bd4 60% \u7684\u540c\u5b78\u9ad8\u5206\u300d\uff08\u6392\u540d\u6982\u5ff5\uff09<\/li>\n<li>\u300c\u6211\u8ddd\u96e2\u6eff\u5206\u9084\u5dee 15 \u5206\u300d\uff08\u5dee\u8ddd\u6982\u5ff5\uff09<\/li>\n<\/ul>\n<p>\u540c\u6a23\u7684\u6210\u7e3e\uff0c\u4e0d\u540c\u7684\u8868\u9054\u65b9\u5f0f\u800c\u5df2\uff01<\/p>\n<hr \/>\n<h2>\u6211\u7684\u7406\u89e3\u904e\u7a0b\uff1a\u5f9e\u98db\u93e2\u904a\u6232\u958b\u59cb<\/h2>\n<p>\u70ba\u4e86\u641e\u61c2\u9019\u4e9b\u6982\u5ff5\uff0c\u6211\u627e\u5230\u4e00\u500b\u8d85\u597d\u61c2\u7684\u6bd4\u55bb\uff08\u611f\u8b1d\u7576\u6642\u4e00\u4f4d\u8cc7\u6df1\u540c\u4e8b\u7684\u9ede\u64a5\uff09\uff1a<\/p>\n<h3>\ud83c\udfaf \u60f3\u50cf\u4f60\u5728\u73a9\u98db\u93e2<\/h3>\n<p>\u5047\u8a2d\u4f60\u7ad9\u5728\u98db\u93e2\u9776\u524d\u9762\uff0c\u7784\u6e96\u6b63\u4e2d\u592e\u7684\u7d05\u5fc3\uff0c\u9023\u7e8c\u4e1f\u4e86 100 \u6b21\u98db\u93e2\u3002<\/p>\n<p><strong>\u7406\u60f3\u72c0\u6cc1\uff1a<\/strong> 100 \u6b21\u90fd\u5c04\u4e2d\u7d05\u5fc3 \ud83c\udfaf<br \/>\n<strong>\u73fe\u5be6\u72c0\u6cc1\uff1a<\/strong> \u98db\u93e2\u6703\u6563\u843d\u5728\u9776\u5b50\u5404\u8655\uff0c\u6709\u7684\u8fd1\u3001\u6709\u7684\u9060<\/p>\n<p>GPS \u5b9a\u4f4d\u5c31\u662f\u9019\u6a23\uff01<\/p>\n<ul>\n<li><strong>\u7d05\u5fc3 = \u4f60\u7684\u771f\u5be6\u4f4d\u7f6e<\/strong><\/li>\n<li><strong>\u6bcf\u4e00\u93e2 = \u6bcf\u6b21 GPS \u5b9a\u4f4d\u7684\u7d50\u679c<\/strong><\/li>\n<li><strong>\u98db\u93e2\u6563\u5e03\u7684\u7bc4\u570d = \u5b9a\u4f4d\u8aa4\u5dee<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h2>CEP\uff1a\u4e00\u534a\u4e00\u534a\u7684\u6a5f\u7387<\/h2>\n<h3>\u540c\u4e8b\u7684\u5831\u544a\uff1aCEP = 2.5m<\/h3>\n<p>\u7576\u6211\u7d42\u65bc\u641e\u61c2 CEP \u7684\u610f\u7fa9\u6642\uff0c\u7a81\u7136\u89ba\u5f97\u8c41\u7136\u958b\u6717\uff01<\/p>\n<p><strong>CEP (Circular Error Probable) = \u5713\u6982\u7387\u8aa4\u5dee<\/strong><\/p>\n<h4>\u767d\u8a71\u7ffb\u8b6f<\/h4>\n<p>\u4ee5 2.5 \u516c\u5c3a\u70ba\u534a\u5f91\uff0c\u5728\u771f\u5be6\u4f4d\u7f6e\u5468\u570d\u756b\u4e00\u500b\u5713\uff1a<\/p>\n<ul>\n<li>\u2705 <strong>50% \u7684\u5b9a\u4f4d\u9ede\u6703\u843d\u5728\u5713\u5167<\/strong><\/li>\n<li>\u274c <strong>50% \u7684\u5b9a\u4f4d\u9ede\u6703\u843d\u5728\u5713\u5916<\/strong><\/li>\n<\/ul>\n<p>\u5c31\u50cf\u4e1f\u9285\u677f\u4e00\u6a23\uff0c\u6b63\u53cd\u9762\u5404\u4e00\u534a\uff01<\/p>\n<h4>\u5be6\u969b\u610f\u7fa9<\/h4>\n<pre><code>\u6e2c\u8a66\u4eba\u54e1\u5728\u67d0\u500b\u56fa\u5b9a\u9ede\uff0c\u8b93 GPS \u5b9a\u4f4d\u4e86 1000 \u6b21\n\n\u7d50\u679c\uff1a\n\u2192 \u5927\u7d04 500 \u6b21\u986f\u793a\u5728\u771f\u5be6\u4f4d\u7f6e 2.5m \u7bc4\u570d\u5167 \u2713\n\u2192 \u5927\u7d04 500 \u6b21\u986f\u793a\u5728 2.5m \u7bc4\u570d\u5916 \u2717\n\n\u9019\u5c31\u662f CEP = 2.5m \u7684\u610f\u601d\uff01<\/code><\/pre>\n<h4>\u6211\u7684\u5fc3\u5f97<\/h4>\n<p>CEP \u5176\u5be6\u662f\u5728\u63cf\u8ff0\u300c\u5178\u578b\u8868\u73fe\u300d\u6216\u300c\u4e2d\u4f4d\u6578\u300d\u7684\u6982\u5ff5\u3002\u5b83\u544a\u8a34\u4f60\uff1a\u300c\u4e00\u822c\u60c5\u6cc1\u4e0b\uff0c\u5927\u6982\u6703\u6709\u9019\u6a23\u7684\u7cbe\u5ea6\u3002\u300d<\/p>\n<hr \/>\n<h2>2DRMS\uff1a\u5e7e\u4e4e\u7e3d\u662f\u7684\u4fdd\u8b49<\/h2>\n<h3>\u540c\u4e8b\u7684\u5831\u544a\uff1a2DRMS = 5.8m<\/h3>\n<p>\u9019\u500b\u6578\u5b57\u8b93\u6211\u56f0\u60d1\u66f4\u4e45\uff0c\u56e0\u70ba\u540d\u5b57\u770b\u8d77\u4f86\u5f88\u8907\u96dc\u3002<\/p>\n<p><strong>2DRMS (Twice Distance Root Mean Square) = \u5169\u500d\u8ddd\u96e2\u5747\u65b9\u6839<\/strong><\/p>\n<p>\u5149\u770b\u540d\u5b57\u5c31\u8b93\u4eba\u982d\u75db \ud83d\ude35<\/p>\n<h4>\u767d\u8a71\u7ffb\u8b6f<\/h4>\n<p>\u4ee5 5.8 \u516c\u5c3a\u70ba\u534a\u5f91\uff0c\u5728\u771f\u5be6\u4f4d\u7f6e\u5468\u570d\u756b\u4e00\u500b\u5713\uff1a<\/p>\n<ul>\n<li>\u2705 <strong>95-98% \u7684\u5b9a\u4f4d\u9ede\u6703\u843d\u5728\u5713\u5167<\/strong><\/li>\n<li>\u274c <strong>\u53ea\u6709 2-5% \u6703\u843d\u5728\u5713\u5916<\/strong><\/li>\n<\/ul>\n<p>\u9019\u662f\u300c\u9ad8\u4fe1\u8cf4\u5ea6\u300d\u7684\u4fdd\u8b49\uff01<\/p>\n<h4>\u5be6\u969b\u610f\u7fa9<\/h4>\n<pre><code>\u540c\u6a23\u90a3 1000 \u6b21\u5b9a\u4f4d\u6e2c\u8a66\n\n\u7d50\u679c\uff1a\n\u2192 \u5927\u7d04 950-980 \u6b21\u986f\u793a\u5728\u771f\u5be6\u4f4d\u7f6e 5.8m \u7bc4\u570d\u5167 \u2713\n\u2192 \u53ea\u6709 20-50 \u6b21\u8d85\u51fa 5.8m \u7bc4\u570d \u2717\n\n\u9019\u5c31\u662f 2DRMS = 5.8m \u7684\u610f\u601d\uff01<\/code><\/pre>\n<h4>\u6211\u7684\u5fc3\u5f97<\/h4>\n<p>2DRMS \u662f\u5728\u63cf\u8ff0\u300c\u6700\u58de\u60c5\u6cc1\u4e0b\u7684\u4fdd\u8b49\u300d\u3002\u5b83\u544a\u8a34\u4f60\uff1a\u300c\u5c31\u7b97\u904b\u6c23\u4e0d\u597d\uff0c95% \u4ee5\u4e0a\u7684\u6642\u5019\u4e5f\u4e0d\u6703\u8d85\u904e\u9019\u500b\u8aa4\u5dee\u3002\u300d<\/p>\n<p>\u9019\u5c0d\u65bc\u9700\u8981\u53ef\u9760\u5ea6\u7684\u61c9\u7528\uff08\u50cf\u662f\u7121\u4eba\u6a5f\u3001\u81ea\u99d5\u8eca\uff09\u7279\u5225\u91cd\u8981\uff01<\/p>\n<hr \/>\n<h2>\u604d\u7136\u5927\u609f\u7684\u6642\u523b\uff1a\u539f\u4f86\u662f\u9019\u6a23\uff01<\/h2>\n<p>\u7576\u6211\u628a\u9019\u5169\u500b\u6578\u5b57\u653e\u5728\u4e00\u8d77\u770b\uff0c\u7d42\u65bc\u7406\u89e3\u4e86\uff1a<\/p>\n<h3>\ud83d\udcca \u540c\u4e00\u7d44\u6578\u64da\uff0c\u4e0d\u540c\u7684\u4fe1\u8cf4\u6c34\u6e96<\/h3>\n<pre><code>\u540c\u4e8b\u7684\u6e2c\u8a66\u5831\u544a\uff1a\nCEP = 2.5m      \u2192 50% \u7684\u9ede\u5728 2.5m \u5167\n2DRMS = 5.8m    \u2192 95-98% \u7684\u9ede\u5728 5.8m \u5167<\/code><\/pre>\n<p>\u9019\u5c31\u50cf\u5728\u8aaa\uff1a<\/p>\n<ul>\n<li>\u300c<strong>\u4e00\u534a\u7684\u6642\u5019<\/strong>\uff0c\u8aa4\u5dee\u5728 2.5m \u4ee5\u5167\u300d<\/li>\n<li>\u300c<strong>\u5e7e\u4e4e\u7e3d\u662f<\/strong>\uff0c\u8aa4\u5dee\u5728 5.8m \u4ee5\u5167\u300d<\/li>\n<\/ul>\n<h3>\u8996\u89ba\u5316\u7406\u89e3<\/h3>\n<p>\u60f3\u50cf\u5728\u64cd\u5834\u4e0a\u756b\u5169\u500b\u540c\u5fc3\u5713\uff1a<\/p>\n<pre><code>\u4f60\u7ad9\u5728\u4e2d\u5fc3\u9ede \ud83c\udfaf\n\n\u5c0f\u5713\uff08\u534a\u5f91 2.5m\uff09\n\u251c\u2500 50% \u7684 GPS \u5b9a\u4f4d\u9ede\u5728\u9019\u88e1 \u2b55\u2b55\u2b55\u2b55\u2b55\n\n\u5927\u5713\uff08\u534a\u5f91 5.8m\uff09\n\u251c\u2500 95-98% \u7684 GPS \u5b9a\u4f4d\u9ede\u5728\u9019\u88e1 \u2b55\u2b55\u2b55\u2b55\u2b55\u2b55\u2b55\u2b55\u2b55\u2b55\n\n\u5713\u5916\n\u2514\u2500 \u53ea\u6709 2-5% \u7684\u9ede\u8dd1\u5230\u9019\u9ebc\u9060 \u2b55<\/code><\/pre>\n<hr \/>\n<h2>\u5be6\u969b\u5de5\u4f5c\u4e2d\u7684\u61c9\u7528<\/h2>\n<h3>\u6848\u4f8b\u4e00\uff1a\u8a55\u4f30\u7522\u54c1\u662f\u5426\u7b26\u5408\u898f\u683c<\/h3>\n<p>\u5f8c\u4f86\u6211\u5011\u6536\u5230\u5ba2\u6236\u7684\u9700\u6c42\u898f\u683c\uff1a<\/p>\n<blockquote>\n<p>\u300c\u5b9a\u4f4d\u7cbe\u5ea6\u9700\u9054\u5230 2DRMS &lt; 10m\u300d<\/p>\n<\/blockquote>\n<p>\u770b\u5230\u540c\u4e8b\u7684\u6e2c\u8a66\u5831\u544a\uff1a2DRMS = 5.8m<\/p>\n<p><strong>\u7d50\u8ad6\uff1a\u2705 \u7b26\u5408\u898f\u683c\uff01\u800c\u4e14\u9084\u6709\u9918\u88d5\u3002<\/strong><\/p>\n<p>\u5982\u679c\u7576\u6642\u6211\u4e0d\u61c2 2DRMS \u7684\u610f\u7fa9\uff0c\u53ef\u80fd\u5c31\u6703\u932f\u8aa4\u5224\u65b7\uff0c\u6216\u8005\u9700\u8981\u82b1\u66f4\u591a\u6642\u9593\u4f86\u56de\u78ba\u8a8d\u3002<\/p>\n<h3>\u6848\u4f8b\u4e8c\uff1a\u6bd4\u8f03\u4e0d\u540c\u7522\u54c1<\/h3>\n<p>\u6709\u6b21\u8981\u9078\u8cfc GPS \u6a21\u7d44\uff0c\u770b\u5230\u5169\u500b\u9078\u9805\uff1a<\/p>\n<p><strong>\u7522\u54c1 A\uff1a<\/strong> CEP = 3m<br \/>\n<strong>\u7522\u54c1 B\uff1a<\/strong> 2DRMS = 5m<\/p>\n<h4>\u6211\u6700\u521d\u7684\u932f\u8aa4\u60f3\u6cd5<\/h4>\n<p>\u300c3m \u6bd4 5m \u5c0f\uff0c\u6240\u4ee5 A \u6bd4\u8f03\u597d\uff1f\u300d<\/p>\n<h4>\u6b63\u78ba\u7684\u5206\u6790<\/h4>\n<ul>\n<li>\u7522\u54c1 A\uff1a\u53ea\u6709 50% \u7684\u6642\u5019\u5728 3m \u5167<\/li>\n<li>\u7522\u54c1 B\uff1a\u6709 95-98% \u7684\u6642\u5019\u5728 5m \u5167<\/li>\n<li><strong>\u7522\u54c1 B \u7684\u7a69\u5b9a\u6027\u66f4\u597d\uff01<\/strong><\/li>\n<\/ul>\n<p>\u9019\u500b\u7d93\u9a57\u8b93\u6211\u5b78\u5230\uff1a<strong>\u4e0d\u80fd\u53ea\u770b\u6578\u5b57\u5927\u5c0f\uff0c\u8981\u770b\u662f\u7528\u54ea\u500b\u6307\u6a19\uff01<\/strong><\/p>\n<hr \/>\n<h2>\u6211\u6574\u7406\u7684\u901f\u67e5\u8868<\/h2>\n<p>\u7d93\u904e\u9019\u6b21\u7d93\u9a57\uff0c\u6211\u81ea\u5df1\u505a\u4e86\u4e00\u500b\u5c0f\u6284\uff0c\u8cbc\u5728\u96fb\u8166\u65c1\u908a\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u6a19<\/th>\n<th>\u4fe1\u8cf4\u6c34\u6e96<\/th>\n<th>\u6211\u7684\u8a18\u6cd5<\/th>\n<th>\u9069\u7528\u5834\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>CEP<\/strong><\/td>\n<td>50%<\/td>\n<td>\u300c\u4e00\u534a\u6a5f\u7387\u300d<\/td>\n<td>\u63cf\u8ff0\u5178\u578b\u8868\u73fe<\/td>\n<\/tr>\n<tr>\n<td><strong>DRMS<\/strong><\/td>\n<td>65-68%<\/td>\n<td>\u300c\u5927\u90e8\u5206\u6642\u5019\u300d<\/td>\n<td>\u4e2d\u9593\u503c\uff08\u8f03\u5c11\u55ae\u7368\u4f7f\u7528\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>2DRMS<\/strong><\/td>\n<td>95-98%<\/td>\n<td>\u300c\u5e7e\u4e4e\u7e3d\u662f\u300d<\/td>\n<td>\u63cf\u8ff0\u4fdd\u8b49\u7cbe\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5feb\u901f\u63db\u7b97\uff08\u7c97\u4f30\uff09<\/h3>\n<ul>\n<li><strong>2DRMS \u2248 2 \u00d7 CEP<\/strong><\/li>\n<li>\u4f8b\u5982\uff1aCEP 3m \u2248 2DRMS 6m<\/li>\n<\/ul>\n<hr \/>\n<h2>\u8e29\u904e\u7684\u5751\u8207\u5fc3\u5f97<\/h2>\n<h3>\u5751 1\uff1a\u76f4\u63a5\u6bd4\u8f03\u4e0d\u540c\u6307\u6a19\u7684\u6578\u5b57<\/h3>\n<p>\u274c <strong>\u932f\u8aa4\uff1a<\/strong> \u300cCEP 3m vs 2DRMS 5m\uff0c\u6240\u4ee5 CEP \u6bd4\u8f03\u6e96\u300d<br \/>\n\u2705 <strong>\u6b63\u78ba\uff1a<\/strong> \u8981\u5148\u63db\u7b97\u6210\u540c\u4e00\u6307\u6a19\u518d\u6bd4\u8f03<\/p>\n<h3>\u5751 2\uff1a\u5ffd\u7565\u6e2c\u8a66\u689d\u4ef6<\/h3>\n<p>\u5831\u544a\u4e0a\u7684\u6578\u5b57\u901a\u5e38\u662f\u300c\u7406\u60f3\u689d\u4ef6\u300d\u4e0b\u6e2c\u5f97\u7684\uff1a<\/p>\n<ul>\n<li>\u7a7a\u66e0\u5730\u5340<\/li>\n<li>\u5929\u6c23\u826f\u597d<\/li>\n<li>\u885b\u661f\u8a0a\u865f\u5145\u8db3<\/li>\n<\/ul>\n<p>\u5be6\u969b\u4f7f\u7528\u6642\uff08\u5e02\u5340\u3001\u5ba4\u5167\u3001\u5c71\u5340\uff09\uff0c\u7cbe\u5ea6\u6703\u6253\u6298\u6263\uff01<\/p>\n<h3>\u5751 3\uff1a\u53ea\u770b\u4e00\u500b\u6307\u6a19<\/h3>\n<ul>\n<li>\u53ea\u770b CEP\uff1a\u4e0d\u77e5\u9053\u6700\u58de\u60c5\u6cc1\u6703\u591a\u7cdf<\/li>\n<li>\u53ea\u770b 2DRMS\uff1a\u4e0d\u77e5\u9053\u5178\u578b\u8868\u73fe\u5982\u4f55<\/li>\n<\/ul>\n<p><strong>\u5efa\u8b70\uff1a\u5169\u500b\u90fd\u770b\uff0c\u624d\u80fd\u5168\u9762\u4e86\u89e3\u7522\u54c1\u6027\u80fd\uff01<\/strong><\/p>\n<hr \/>\n<h2>\u751f\u6d3b\u5316\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u641e\u61c2\u9019\u4e9b\u6982\u5ff5\u5f8c\uff0c\u6211\u767c\u73fe\u65e5\u5e38\u751f\u6d3b\u4e2d\u4e5f\u80fd\u7528\u4e0a\uff1a<\/p>\n<h3>\ud83d\ude97 \u958b\u8eca\u5c0e\u822a\uff08\u624b\u6a5f GPS\uff09<\/h3>\n<ul>\n<li>\u624b\u6a5f GPS\uff1aCEP \u7d04 5-10m<\/li>\n<li><strong>\u610f\u601d\uff1a<\/strong> \u4e00\u534a\u7684\u6642\u5019\u6703\u5b9a\u4f4d\u5728 10m \u7bc4\u570d\u5167<\/li>\n<li><strong>\u5be6\u969b\u9ad4\u9a57\uff1a<\/strong> \u6709\u6642\u5019\u6703\u986f\u793a\u4f60\u5728\u9694\u58c1\u8eca\u9053\uff0c\u9019\u5f88\u6b63\u5e38\uff01<\/li>\n<\/ul>\n<h3>\ud83c\udfc3 \u8dd1\u6b65\u8a18\u9304\uff08\u904b\u52d5\u624b\u9336\uff09<\/h3>\n<ul>\n<li>\u904b\u52d5\u624b\u9336\uff1a2DRMS \u7d04 10-20m<\/li>\n<li><strong>\u610f\u601d\uff1a<\/strong> 95% \u4ee5\u4e0a\u7684\u6642\u5019\u8aa4\u5dee\u5728 20m \u5167<\/li>\n<li><strong>\u5be6\u969b\u9ad4\u9a57\uff1a<\/strong> \u8dd1\u6b65\u8ecc\u8de1\u5927\u81f4\u6e96\u78ba\uff0c\u4f46\u5076\u723e\u6703\u6709\u5c0f\u504f\u79fb<\/li>\n<\/ul>\n<h3>\ud83d\udccd \u767b\u5c71\u5b9a\u4f4d\uff08\u5c08\u696d\u624b\u6301 GPS\uff09<\/h3>\n<ul>\n<li>\u5c08\u696d GPS\uff1a2DRMS \u7d04 3-5m<\/li>\n<li><strong>\u610f\u601d\uff1a<\/strong> \u5e7e\u4e4e\u7e3d\u662f\u80fd\u7cbe\u6e96\u5b9a\u4f4d\u5728 5m \u5167<\/li>\n<li><strong>\u5be6\u969b\u9ad4\u9a57\uff1a<\/strong> \u5728\u5c71\u5340\u4e5f\u80fd\u53ef\u9760\u5730\u78ba\u8a8d\u4f4d\u7f6e\uff0c\u4e0d\u6703\u8ff7\u8def<\/li>\n<\/ul>\n<hr \/>\n<h2>\u7d66\u540c\u6a23\u56f0\u60d1\u7684\u4f60\uff1a\u4e09\u500b\u91cd\u9ede<\/h2>\n<p>\u5982\u679c\u4f60\u4e5f\u6536\u5230\u985e\u4f3c\u7684\u6e2c\u8a66\u5831\u544a\uff0c\u8a18\u4f4f\u9019\u4e09\u9ede\u5c31\u5920\u4e86\uff1a<\/p>\n<h3>1\ufe0f\u20e3 CEP = 50% \u6a5f\u7387<\/h3>\n<p>\u300c\u4e00\u534a\u4e00\u534a\uff0c\u63cf\u8ff0\u5178\u578b\u8868\u73fe\u300d<\/p>\n<h3>2\ufe0f\u20e3 2DRMS = 95-98% \u6a5f\u7387<\/h3>\n<p>\u300c\u5e7e\u4e4e\u7e3d\u662f\uff0c\u63cf\u8ff0\u4fdd\u8b49\u7cbe\u5ea6\u300d<\/p>\n<h3>3\ufe0f\u20e3 \u4e0d\u540c\u6307\u6a19\u4e0d\u80fd\u76f4\u63a5\u6bd4\u6578\u5b57<\/h3>\n<p>\u300c\u8981\u63db\u7b97\u6210\u540c\u4e00\u6a19\u6e96\u624d\u80fd\u6bd4\u8f03\u300d<\/p>\n<hr \/>\n<h2>\u7d50\u8a9e\uff1a\u5f9e\u9727\u88e1\u770b\u82b1\u5230\u5fc3\u88e1\u6709\u6578<\/h2>\n<p>\u56de\u60f3\u8d77\u7576\u521d\u770b\u5230\u90a3\u4efd\u5831\u544a\u7684\u56f0\u60d1\uff0c\u5230\u73fe\u5728\u80fd\u5920\u6e05\u695a\u7406\u89e3\u4e26\u61c9\u7528\u9019\u4e9b\u6982\u5ff5\uff0c\u9019\u500b\u904e\u7a0b\u96d6\u7136\u82b1\u4e86\u4e9b\u6642\u9593\uff0c\u4f46\u771f\u7684\u5f88\u503c\u5f97\u3002<\/p>\n<p>\u5e0c\u671b\u9019\u7bc7\u6587\u7ae0\u80fd\u5e6b\u52a9\u5230\u8ddf\u7576\u6642\u7684\u6211\u4e00\u6a23\u56f0\u60d1\u7684\u4f60\uff01\u5982\u679c\u4f60\u4e5f\u6709\u985e\u4f3c\u7684\u7d93\u9a57\uff0c\u6216\u662f\u9084\u6709\u5176\u4ed6\u7591\u554f\uff0c\u6b61\u8fce\u5728\u4e0b\u65b9\u7559\u8a00\u8a0e\u8ad6 \ud83d\ude0a<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8a18\u5f97\u6709\u4e00\u5929\u4e0b\u5348\uff0c\u540c\u4e8b\u50b3\u4f86\u4e00\u4efd GNSS \u6e2c\u8a66\u5831\u544a\uff0c\u8aaa\u8981\u6211\u5e6b\u5fd9\u78ba\u8a8d\u3002\u6211\u6253\u958b\u6a94\u6848\uff0c\u6eff &hellip; <a href=\"https:\/\/hsiang.cc\/?p=690\">\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":[687,686,685,99,693,688,710,642,651,706,702,698,691,712,689],"class_list":["post-690","post","type-post","status-publish","format-standard","hentry","category-iot","category-tech","tag-2drms","tag-cep","tag-drms","tag-gnss","tag-693","tag-688","tag-710","tag-642","tag-651","tag-706","tag-702","tag-698","tag-691","tag-712","tag-689"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/posts\/690","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=690"}],"version-history":[{"count":3,"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/posts\/690\/revisions"}],"predecessor-version":[{"id":693,"href":"https:\/\/hsiang.cc\/index.php?rest_route=\/wp\/v2\/posts\/690\/revisions\/693"}],"wp:attachment":[{"href":"https:\/\/hsiang.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hsiang.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hsiang.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}