{"id":110,"date":"2026-03-01T16:46:20","date_gmt":"2026-03-01T08:46:20","guid":{"rendered":"https:\/\/hpu.gv.uy\/?p=110"},"modified":"2026-03-01T17:01:04","modified_gmt":"2026-03-01T09:01:04","slug":"gps%e6%b5%8b%e9%87%8f%e5%8e%9f%e7%90%86%e5%8f%8a%e5%85%b6%e5%ba%94%e7%94%a8-p41-42%e8%b7%9d%e7%a6%bb%e6%b5%8b%e9%87%8f%e4%b8%8e%e5%ae%9a%e4%bd%8d%e6%96%b9%e6%b3%95%ef%bc%88%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/hpu.gv.uy\/?p=110","title":{"rendered":"GPS\u6d4b\u91cf\u539f\u7406\u53ca\u5176\u5e94\u7528 p41 42\u8ddd\u79bb\u6d4b\u91cf\u4e0e\u5b9a\u4f4d\u65b9\u6cd5\uff08\u4e00\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u76ee\u5f55<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#1-\u76f8\u4f4d\u4e2d\u5fc3\u504f\u5dee\u4e0e\u6821\u6b63\">1. \u76f8\u4f4d\u4e2d\u5fc3\u504f\u5dee\u4e0e\u6821\u6b63<\/a><\/li>\n\n\n\n<li><a href=\"#2-\u6559\u6750\u52d8\u8bef\">2. \u6559\u6750\u52d8\u8bef<\/a><\/li>\n\n\n\n<li><a href=\"#3-\u4fe1\u53f7\u4f20\u64ad\u4e0e\u786c\u4ef6\u5ef6\u8fdf\">3. \u4fe1\u53f7\u4f20\u64ad\u4e0e\u786c\u4ef6\u5ef6\u8fdf<\/a><\/li>\n\n\n\n<li><a href=\"#4-\u5bfc\u822a\u7535\u6587\u7684\u6f14\u53d8\">4. \u5bfc\u822a\u7535\u6587\u7684\u6f14\u53d8<\/a><\/li>\n\n\n\n<li><a href=\"#5-\u8ddd\u79bb\u6d4b\u91cf\u65b9\u6cd5\">5. \u8ddd\u79bb\u6d4b\u91cf\u65b9\u6cd5<\/a><\/li>\n\n\n\n<li><a href=\"#6-\u5b9a\u4f4d\u65b9\u6cd5\u5206\u7c7b\">6. \u5b9a\u4f4d\u65b9\u6cd5\u5206\u7c7b<\/a><\/li>\n\n\n\n<li><a href=\"#7-\u6d4b\u8ddd\u7801\u6d4b\u8ddd\u539f\u7406\">7. \u6d4b\u8ddd\u7801\u6d4b\u8ddd\u539f\u7406<\/a><\/li>\n\n\n\n<li><a href=\"#ai-\u603b\u7ed3\">AI \u603b\u7ed3<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u76f8\u4f4d\u4e2d\u5fc3\u504f\u5dee\u4e0e\u6821\u6b63 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p41?t=0\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 00:00<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 GPS \u6d4b\u91cf\u4e2d\uff0c\u4fe1\u53f7\u53d1\u5c04\u4e0e\u63a5\u6536\u7684\u57fa\u51c6\u70b9\u5e76\u975e\u51e0\u4f55\u4e2d\u5fc3\uff0c\u800c\u662f<strong>\u76f8\u4f4d\u4e2d\u5fc3\uff08Phase Center\uff09<\/strong>\uff0c\u4e24\u8005\u4e4b\u95f4\u5b58\u5728\u504f\u5dee\u4e14\u9700\u8981\u6821\u6b63\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u536b\u661f\u5929\u7ebf\u76f8\u4f4d\u4e2d\u5fc3\u504f\u5dee<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f7\u88ab\u89c6\u4e3a\u4ece\u536b\u661f\u53d1\u5c04\u5929\u7ebf\u7684\u76f8\u4f4d\u4e2d\u5fc3\u53d1\u51fa\u3002<\/li>\n\n\n\n<li><strong>PCO (Phase Center Offset)<\/strong>\uff1a\u76f8\u4f4d\u4e2d\u5fc3\u4e0e\u536b\u661f\u8d28\u91cf\u4e2d\u5fc3\uff08\u6216\u53c2\u8003\u4e2d\u5fc3\uff09\u4e4b\u95f4\u7684\u56fa\u5b9a\u504f\u5dee\u3002\u8fd9\u90e8\u5206\u504f\u5dee\u5728\u4e09\u4e2a\u65b9\u5411\u4e0a\u7684\u5206\u91cf\uff08\u56fa\u5b9a\u5e38\u6570\uff09\u901a\u5e38\u7531\u56fd\u9645\u7ec4\u7ec7\u6d4b\u5b9a\u5e76\u516c\u5e03\u3002<\/li>\n\n\n\n<li><strong>PCV (Phase Center Variation)<\/strong>\uff1a\u76f8\u4f4d\u4e2d\u5fc3\u5e76\u975e\u5b8c\u5168\u56fa\u5b9a\uff0c\u4f1a\u968f\u4fe1\u53f7\u53d1\u5c04\u65b9\u5411\uff08\u4e3b\u8981\u662f\u9ad8\u5ea6\u89d2\uff09\u53d1\u751f\u5fae\u5c0f\u53d8\u5316\u3002\u8fd9\u90e8\u5206\u53d8\u5316\u79f0\u4e3a PCV\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u63a5\u6536\u673a\u5929\u7ebf\u76f8\u4f4d\u4e2d\u5fc3\u504f\u5dee<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u63a5\u6536\u673a\u63a5\u6536\u4fe1\u53f7\u4e5f\u662f\u57fa\u4e8e\u5929\u7ebf\u7684\u76f8\u4f4d\u4e2d\u5fc3\u3002<\/li>\n\n\n\n<li>\u76f8\u4f4d\u4e2d\u5fc3\u4e0e\u63a5\u6536\u673a\u7684<strong>\u53c2\u8003\u4e2d\u5fc3<\/strong>\uff08Reference Center\uff0c\u5982\u5929\u7ebf\u5ea7\u5e95\u90e8\u3001\u7528\u4e8e\u5bf9\u4e2d\u6574\u5e73\u7684\u6807\u8bb0\u70b9\uff09\u901a\u5e38\u4e0d\u91cd\u5408\u3002<\/li>\n\n\n\n<li><strong>\u6821\u6b63\u5fc5\u8981\u6027<\/strong>\uff1a\u5728\u5b9e\u5730\u6d4b\u91cf\u65f6\uff0c\u64cd\u4f5c\u5458\u662f\u5c06\u53c2\u8003\u4e2d\u5fc3\u5b89\u7f6e\u5728\u6d4b\u7ad9\u70b9\uff08\u901a\u8fc7\u5149\u5b66\u5bf9\u4e2d\u6216\u5782\u7403\u5bf9\u4e2d\uff09\uff0c\u6b64\u65f6\u6d4b\u91cf\u7684\u662f\u53c2\u8003\u4e2d\u5fc3\u7684\u4f4d\u7f6e\u3002\u4e3a\u4e86\u5f97\u5230\u9ad8\u7cbe\u5ea6\u7ed3\u679c\uff0c\u5fc5\u987b\u5c06\u89c2\u6d4b\u503c\u5f52\u7b97\u5230\u6d4b\u7ad9\u70b9\u3002<\/li>\n\n\n\n<li><strong>\u504f\u5dee\u5206\u91cf<\/strong>\uff1a\u63a5\u6536\u673a\u5929\u7ebf\u7684 PCO \u5305\u542b\u5317\u65b9\u5411\uff08North\uff09\u3001\u4e1c\u65b9\u5411\uff08East\uff09\u548c\u5782\u76f4\u65b9\u5411\uff08Up\uff09\u7684\u504f\u5dee\u91cf\u3002<\/li>\n\n\n\n<li><strong>PCV \u5f71\u54cd<\/strong>\uff1a\u63a5\u6536\u673a\u5929\u7ebf\u7684\u76f8\u4f4d\u4e2d\u5fc3\u540c\u6837\u4f1a\u968f\u536b\u661f\u4fe1\u53f7\u5165\u5c04\u65b9\u5411\uff08\u9ad8\u5ea6\u89d2\uff09\u7684\u53d8\u5316\u800c\u6ce2\u52a8\uff0c\u9700\u8981\u7ed3\u5408 PCO \u8fdb\u884c PCV \u6539\u6b63\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ed3\u8bba<\/strong>\uff1a\u5e38\u7528\u7684\u63a5\u6536\u673a\u548c\u536b\u661f\u5929\u7ebf\u7684\u6539\u6b63\u6570\uff08PCO \u548c PCV\uff09\u5747\u7531\u56fd\u9645\u7ec4\u7ec7\u6d4b\u5b9a\u5e76\u53d1\u5e03\uff0c\u7528\u6237\u5728\u6570\u636e\u5904\u7406\u65f6\u5e94\u5f15\u7528\u8fd9\u4e9b\u6807\u51c6\u6570\u636e\u8fdb\u884c\u4fee\u6b63\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u6559\u6750\u52d8\u8bef <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p41?t=248\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 04:08<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bfe\u7a0b\u6307\u51fa\u4e86\u6559\u6750\u4e2d\u5b58\u5728\u7684\u51e0\u5904\u5370\u5237\u6216\u5185\u5bb9\u9519\u8bef\uff0c\u9700\u8fdb\u884c\u5982\u4e0b\u4fee\u6b63\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7b2c 35 \u9875\uff0c\u7b2c 12 \u884c<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u539f\u6587\u5173\u4e8e ARS \u6784\u5efa\u7684 ITRF \u7248\u672c\u6570\u91cf\u63cf\u8ff0\u6709\u8bef\u3002<\/li>\n\n\n\n<li><strong>\u4fee\u6b63<\/strong>\uff1a\u5e94\u6539\u4e3a <strong>12 \u4e2a<\/strong>\uff08\u539f\u4e66\u53ef\u80fd\u5199\u4e3a\u5176\u4ed6\u6570\u5b57\u6216\u672a\u66f4\u65b0\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7b2c 90 \u9875\uff0c\u7b2c 6 \u884c<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u516c\u5f0f\u9519\u8bef\u3002<\/li>\n\n\n\n<li><strong>\u4fee\u6b63<\/strong>\uff1a\u516c\u5f0f\u4e2d\u7684\u9879\u5e94\u4e3a -\\rho\uff08\u8d1f rho\uff09\uff0c\u800c\u975e \\rho \u6216 2.\\rho\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7b2c 117 \u9875\uff0c\u6700\u540e\u4e00\u884c<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u89c2\u6d4b\u65b9\u7a0b\u516c\u5f0f\u9519\u8bef\uff1aSR = \\dots + c \\cdot \\delta t + CITRF\u3002<\/li>\n\n\n\n<li><strong>\u4fee\u6b63<\/strong>\uff1a\u516c\u5f0f\u672b\u5c3e\u7684 CITRF \u662f\u9519\u8bef\u7684\uff0c\u5e94\u6539\u4e3a <strong>\\Phi<\/strong>\uff08\u8d39\/Phi\uff0c\u4ee3\u8868\u76f8\u4f4d\u6216\u5176\u4ed6\u76f8\u5173\u53c2\u6570\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u4fe1\u53f7\u4f20\u64ad\u4e0e\u786c\u4ef6\u5ef6\u8fdf <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p41?t=383\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 06:23<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7535\u79bb\u5c42\u5ef6\u8fdf\u6539\u6b63\uff08Ionospheric Delay Correction\uff09\u4e2d\uff0c\u5229\u7528\u53cc\u9891\u4fe1\u53f7\u7684\u65f6\u95f4\u5dee\u6765\u53cd\u63a8\u5ef6\u8fdf\u91cf\u65f6\uff0c\u5b58\u5728\u4e00\u4e2a\u91cd\u8981\u7684\u786c\u4ef6\u524d\u63d0\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7406\u8bba\u5047\u8bbe vs. \u5b9e\u9645\u60c5\u51b5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u7406\u8bba\u5047\u8bbe<\/strong>\uff1a\u4e0d\u540c\u9891\u7387\u7684\u4fe1\u53f7\uff08\u5982 L1, L2\uff09\u662f<strong>\u540c\u65f6<\/strong>\u79bb\u5f00\u536b\u661f\u5929\u7ebf\u7684\u3002\u56e0\u6b64\uff0c\u5230\u8fbe\u63a5\u6536\u673a\u7684\u65f6\u95f4\u5dee\u5b8c\u5168\u662f\u7531\u7535\u79bb\u5c42\u6298\u5c04\u5f15\u8d77\u7684\u3002<\/li>\n\n\n\n<li><strong>\u5b9e\u9645\u60c5\u51b5<\/strong>\uff1a\u4e0d\u540c\u9891\u7387\u7684\u4fe1\u53f7\u7531\u4e0d\u540c\u7684\u7535\u8def\u4ea7\u751f\uff0c\u7ecf\u8fc7\u4e0d\u540c\u7684\u7535\u5b50\u5143\u5668\u4ef6\u548c\u7ebf\u8def\u957f\u5ea6\u3002\u5c3d\u7ba1\u7531\u540c\u4e00\u539f\u5b50\u949f\u9a71\u52a8\uff0c\u4f46\u5b83\u4eec\u5728\u536b\u661f\u5185\u90e8\u7684\u4f20\u8f93\u65f6\u95f4\u4e0d\u540c\uff0c\u5bfc\u81f4\u5b83\u4eec<strong>\u5e76\u975e\u540c\u65f6\u79bb\u5f00\u536b\u661f<\/strong>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u786c\u4ef6\u5ef6\u8fdf\uff08Hardware Delay\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f7\u79bb\u5f00\u536b\u661f\u53d1\u5c04\u5929\u7ebf\u65f6\u5b58\u5728\u7684\u521d\u59cb\u65f6\u95f4\u5dee\uff08Time Bias\uff09\u3002\u867d\u7136\u968f\u7740\u6280\u672f\u8fdb\u6b65\uff08\u5982 L1\/L2 \u5dee\u503c\uff09\u53d8\u5c0f\uff0c\u4f46\u5728\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u4e2d\u4ecd\u9700\u8003\u8651\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5bfc\u822a\u7535\u6587\u53c2\u6570<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u73b0\u4ee3\u5bfc\u822a\u7535\u6587\u63d0\u4f9b\u4e86\u7279\u5b9a\u53c2\u6570\u6765\u4fee\u6b63\u8fd9\u79cd\u786c\u4ef6\u5ef6\u8fdf\uff0c\u4f8b\u5982 <strong>TGD (Timing Group Delay)<\/strong> \u6216 <strong>ISC (Inter-Signal Correction)<\/strong>\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e9b\u53c2\u6570\u63cf\u8ff0\u4e86\u4e0d\u540c\u4fe1\u53f7\u79bb\u5f00\u536b\u661f\u65f6\u7684\u65f6\u95f4\u5dee\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6539\u6b63\u903b\u8f91<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u63a5\u6536\u673a\u89c2\u6d4b\u5230\u7684\u603b\u65f6\u95f4\u5dee = <strong>\u7535\u79bb\u5c42\u5ef6\u8fdf\u5f15\u8d77\u7684\u65f6\u95f4\u5dee<\/strong> + <strong>\u536b\u661f\u53d1\u5c04\u65f6\u7684\u521d\u59cb\u65f6\u95f4\u5dee<\/strong>\u3002<\/li>\n\n\n\n<li>\u5728\u8fdb\u884c\u7535\u79bb\u5c42\u6539\u6b63\u524d\uff0c\u5fc5\u987b\u5148\u6263\u9664\u7531 TGD\/ISC \u63d0\u4f9b\u7684\u521d\u59cb\u65f6\u95f4\u5dee\uff0c\u5269\u4f59\u90e8\u5206\u624d\u662f\u771f\u6b63\u7684\u7535\u79bb\u5c42\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u5bfc\u822a\u7535\u6587\u7684\u6f14\u53d8 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p41?t=623\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 10:23<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740 GPS \u73b0\u4ee3\u5316\u7684\u63a8\u8fdb\uff0c\u5bfc\u822a\u7535\u6587\uff08Navigation Message\uff09\u7684\u7ed3\u6784\u548c\u64ad\u53d1\u65b9\u5f0f\u53d1\u751f\u4e86\u53d8\u5316\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f20\u7edf\u5bfc\u822a\u7535\u6587\uff08Legacy Navigation Message\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8c03\u5236\u5728 C\/A \u7801\u548c P(Y) \u7801\u4e0a\u3002<\/li>\n\n\n\n<li><strong>\u56fa\u5b9a\u987a\u5e8f<\/strong>\uff1a\u6309\u5b50\u5e27 1\u30012\u30013\u30014\u30015 \u7684\u987a\u5e8f\u5faa\u73af\u64ad\u53d1\u3002\u5b50\u5e27 1-3 \u5185\u5bb9\u53d8\u5316\u8f83\u5feb\uff0c\u5b50\u5e27 4-5 \u5305\u542b\u5386\u4e66\u7b49\u4fe1\u606f\uff0c\u901a\u8fc7\u591a\u6b21\u5faa\u73af\u6eda\u52a8\u64ad\u51fa\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u73b0\u4ee3\u5316\u5bfc\u822a\u7535\u6587\uff08CNAV \/ L2C, L5 \u7b49\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8c03\u5236\u5728\u65b0\u7684\u4fe1\u53f7\uff08\u5982 L2C, L5\uff09\u4e0a\u3002<\/li>\n\n\n\n<li><strong>\u7075\u6d3b\u987a\u5e8f<\/strong>\uff1a\u4e0d\u518d\u5f3a\u5236\u56fa\u5b9a\u7684 1-5 \u987a\u5e8f\u3002<\/li>\n\n\n\n<li><strong>\u64ad\u53d1\u673a\u5236<\/strong>\uff1a\u89c4\u5b9a\u4e86\u67d0\u6761\u4fe1\u606f\u7684<strong>\u6700\u957f\u91cd\u53d1\u95f4\u9694<\/strong>\uff0c\u4f46\u5177\u4f53\u64ad\u53d1\u987a\u5e8f\u53ef\u6839\u636e\u5f53\u524d\u60c5\u51b5\uff08\u5982\u7528\u6237\u6700\u6025\u9700\u7684\u4fe1\u606f\uff09\u7075\u6d3b\u8c03\u6574\uff0c\u6548\u7387\u66f4\u9ad8\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u8ddd\u79bb\u6d4b\u91cf\u65b9\u6cd5 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p41?t=748\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 12:28<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPS \u6d4b\u8ddd\u4e3b\u8981\u6709\u4e24\u79cd\u57fa\u672c\u65b9\u6cd5\uff0c\u5206\u522b\u5bf9\u5e94\u4e0d\u540c\u7684\u7cbe\u5ea6\u9700\u6c42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 \u6d4b\u8ddd\u7801\u6d4b\u8ddd\uff08Code Ranging \/ Pseudorange\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u7406<\/strong>\uff1a\u5229\u7528\u536b\u661f\u53d1\u5c04\u7684<strong>\u6d4b\u8ddd\u7801<\/strong>\uff08\u5982 C\/A \u7801\u3001P \u7801\uff09\u6d4b\u91cf\u4f20\u64ad\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u65e0\u6a21\u7cca\u5ea6\u95ee\u9898\uff08\u6216\u8005\u8bf4\u6a21\u7cca\u5ea6\u6781\u5927\uff0c\u5bb9\u6613\u5224\u65ad\uff09\uff0c\u6d4b\u91cf\u8fc7\u7a0b\u7b80\u5355\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u7cbe\u5ea6\u8f83\u4f4e\u3002\n<ul class=\"wp-block-list\">\n<li>C\/A \u7801\u7684\u7801\u5143\u5bbd\u5ea6\uff08Chip Width\uff09\u7ea6\u4e3a <strong>293 \u7c73<\/strong>\u3002<\/li>\n\n\n\n<li>P \u7801\/Y \u7801\u7684\u7801\u5143\u5bbd\u5ea6\u7ea6\u4e3a <strong>29.3 \u7c73<\/strong>\u3002<\/li>\n\n\n\n<li>\u4e00\u822c\u6d4b\u91cf\u7cbe\u5ea6\u7ea6\u4e3a\u7801\u5143\u5bbd\u5ea6\u7684 1\/100\u3002\u5bf9\u4e8e C\/A \u7801\uff0c\u6d4b\u91cf\u7cbe\u5ea6\u5728 <strong>2-3 \u7c73<\/strong> \u5de6\u53f3\uff0c\u65e0\u6cd5\u6ee1\u8db3\u6beb\u7c73\u7ea7\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u9700\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 \u8f7d\u6ce2\u76f8\u4f4d\u6d4b\u8ddd\uff08Carrier Phase Ranging\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u80cc\u666f<\/strong>\uff1a\u4e3a\u4e86\u6ee1\u8db3\u6d4b\u91cf\u754c\uff08Surveying\uff09\u7684\u9ad8\u7cbe\u5ea6\u9700\u6c42\uff0c\u5229\u7528<strong>\u8f7d\u6ce2\u4fe1\u53f7<\/strong>\uff08Carrier Wave\uff09\u672c\u8eab\u8fdb\u884c\u6d4b\u8ddd\u3002<\/li>\n\n\n\n<li><strong>\u539f\u7406<\/strong>\uff1a\u6d4b\u91cf\u8f7d\u6ce2\u7684\u76f8\u4f4d\u5dee\u3002\n<ul class=\"wp-block-list\">\n<li>L1 \u8f7d\u6ce2\u6ce2\u957f \\lambda \\approx 19 \\text{ cm}\u3002<\/li>\n\n\n\n<li>L2 \u8f7d\u6ce2\u6ce2\u957f \\lambda \\approx 24 \\text{ cm}\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7cbe\u5ea6<\/strong>\uff1a\u6d4b\u91cf\u7cbe\u5ea6\u53ef\u8fbe\u6ce2\u957f\u7684 1\/100 \u751a\u81f3 1\/1000\uff0c\u5373 <strong>\u6beb\u7c73\u7ea7\uff08mm\uff09<\/strong> \u6216\u4e9a\u6beb\u7c73\u7ea7\u3002<\/li>\n\n\n\n<li><strong>\u6311\u6218<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u6574\u5468\u6a21\u7cca\u5ea6\uff08Integer Ambiguity\uff09<\/strong>\uff1a\u8f7d\u6ce2\u662f\u8fde\u7eed\u7684\u6b63\u5f26\u6ce2\uff0c\u6ca1\u6709\u523b\u5ea6\u6807\u8bb0\uff0c\u65e0\u6cd5\u76f4\u63a5\u77e5\u9053\u4f20\u64ad\u4e86\u591a\u5c11\u4e2a\u5b8c\u6574\u7684\u5468\u671f\uff08\u6574\u5468\u6570 N \u672a\u77e5\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6574\u5468\u8df3\u53d8\uff08Cycle Slips\uff09<\/strong>\uff1a\u4fe1\u53f7\u5931\u9501\u4f1a\u5bfc\u81f4\u8ba1\u6570\u503c\u8df3\u53d8\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u5904\u7406\u590d\u6742<\/strong>\uff1a\u9700\u8981\u590d\u6742\u7684\u7b97\u6cd5\u6765\u89e3\u7b97\u6a21\u7cca\u5ea6\uff0c\u8fd9\u662f\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\uff08\u5982 RTK, \u9759\u6001\u6d4b\u91cf\uff09\u7684\u6838\u5fc3\u4ee3\u4ef7\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u5b9a\u4f4d\u65b9\u6cd5\u5206\u7c7b <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p41?t=1005\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 16:45<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636e\u4f5c\u4e1a\u6a21\u5f0f\u548c\u7cbe\u5ea6\u8981\u6c42\uff0c\u5b9a\u4f4d\u65b9\u6cd5\u4e3b\u8981\u5206\u4e3a\u4e24\u7c7b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u70b9\u5b9a\u4f4d\uff08Single Point Positioning \/ Absolute Positioning\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u4e00\u53f0\u63a5\u6536\u673a\u3002<\/li>\n\n\n\n<li>\u5229\u7528\u4f2a\u8ddd\uff08\u6d4b\u8ddd\u7801\uff09\u548c\u5e7f\u64ad\u661f\u5386\u3002<\/li>\n\n\n\n<li>\u7cbe\u5ea6\u8f83\u4f4e\uff0c\u9002\u7528\u4e8e\u666e\u901a\u5bfc\u822a\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u76f8\u5bf9\u5b9a\u4f4d\uff08Relative Positioning \/ Differential Positioning\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u81f3\u5c11\u4e24\u53f0\u63a5\u6536\u673a\uff0c\u540c\u65f6\u89c2\u6d4b\u76f8\u540c\u7684\u536b\u661f\u3002<\/li>\n\n\n\n<li><strong>\u539f\u7406<\/strong>\uff1a\u5229\u7528\u4e24\u53f0\u63a5\u6536\u673a\u4e4b\u95f4\u5177\u6709<strong>\u5f3a\u76f8\u5173\u6027<\/strong>\u7684\u516c\u5171\u8bef\u5dee\uff08\u5982\u8f68\u9053\u8bef\u5dee\u3001\u5927\u6c14\u5ef6\u8fdf\u7b49\uff09\u3002\u901a\u8fc7\u5dee\u5206\u5904\u7406\uff08Differencing\uff09\uff0c\u5927\u90e8\u5206\u516c\u5171\u8bef\u5dee\u53ef\u4ee5\u88ab\u62b5\u6d88\u3002<\/li>\n\n\n\n<li><strong>\u5e94\u7528<\/strong>\uff1a\u9ad8\u7cbe\u5ea6\u6d4b\u91cf\u9886\u57df\uff0c\u5982\u5927\u575d\u53d8\u5f62\u76d1\u6d4b\uff08\u8981\u6c42\u6beb\u7c73\u7ea7\u7cbe\u5ea6\uff09\u3001\u63a7\u5236\u6d4b\u91cf\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u5dee\u5206 GPS (DGPS)<\/strong>\uff1a\u5c5e\u4e8e\u76f8\u5bf9\u5b9a\u4f4d\u7684\u4e00\u79cd\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5bfc\u822a\u548c\u6d4b\u7ed8\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u6d4b\u8ddd\u7801\u6d4b\u8ddd\u539f\u7406 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p41?t=1130\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 18:50<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7ae0\u91cd\u70b9\u4ecb\u7ecd\u4e86\u5982\u4f55\u5229\u7528\u6d4b\u8ddd\u7801\u6d4b\u5b9a\u8ddd\u79bb\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49\u7684\u8ddd\u79bb<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u51c6\u786e\u5b9a\u4e49\uff1a\u4ece<strong>\u536b\u661f\u53d1\u5c04\u5929\u7ebf\u7684\u76f8\u4f4d\u4e2d\u5fc3<\/strong>\u5230<strong>\u63a5\u6536\u673a\u5929\u7ebf\u7684\u76f8\u4f4d\u4e2d\u5fc3<\/strong>\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u7b80\u79f0\u4e3a\u201c\u536b\u5730\u8ddd\u201d\u6216\u536b\u661f\u5230\u5730\u9762\u7684\u8ddd\u79bb\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4e0e\u4f20\u7edf\u6d4b\u8ddd\u7684\u533a\u522b<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f20\u7edf\u6d4b\u8ddd\uff08EDM\/\u6fc0\u5149\uff09<\/strong>\uff1a\u53d1\u5c04\u8109\u51b2\u4fe1\u53f7\uff08Pulse\uff09\u3002\u8bb0\u5f55\u8109\u51b2\u53d1\u5c04\u65f6\u523b t_1 \u548c\u7ecf\u53cd\u5c04\u955c\u53cd\u5c04\u56de\u6765\u7684\u63a5\u6536\u65f6\u523b t_2\uff0c\u5229\u7528\u65f6\u95f4\u5dee \\Delta t \u8ba1\u7b97\u8ddd\u79bb\uff1aD = \\frac{1}{2} c \\cdot \\Delta t\u3002<\/li>\n\n\n\n<li><strong>GPS \u6d4b\u8ddd<\/strong>\uff1a\u536b\u661f\u8fde\u7eed\u53d1\u5c04<strong>\u8fde\u7eed\u6ce2<\/strong>\uff08\u6d4b\u8ddd\u7801\u4fe1\u53f7\uff09\uff0c\u800c\u975e\u7b80\u5355\u7684\u5355\u8109\u51b2\u3002\u63a5\u6536\u673a\u9700\u8981\u901a\u8fc7\u6bd4\u5bf9\u63a5\u6536\u5230\u7684\u7801\u5e8f\u5217\u548c\u672c\u5730\u4ea7\u751f\u7684\u590d\u5236\u7801\u5e8f\u5217\u6765\u6d4b\u5b9a\u4f20\u64ad\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">AI \u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8282\u8bfe\u4e3b\u8981\u8bb2\u6388\u4e86 GPS 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1. \u76f8\u4f4d\u4e2d\u5fc3\u504f\u5dee\u4e0e\u6821\u6b63 \u539f\u7247 @ 00:00* \u5728 GPS \u6d4b\u91cf\u4e2d\uff0c\u4fe1\u53f7\u53d1\u5c04\u4e0e\u63a5\u6536\u7684\u57fa\u51c6\u70b9\u5e76\u975e\u51e0\u4f55\u4e2d\u5fc3 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