{"id":47,"date":"2026-02-11T11:57:10","date_gmt":"2026-02-11T03:57:10","guid":{"rendered":"https:\/\/hpu.gv.uy\/?p=47"},"modified":"2026-03-01T17:00:53","modified_gmt":"2026-03-01T09:00:53","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-p14-15gps%e6%b5%8b%e9%87%8f%e4%b8%ad%e6%89%80%e6%b6%89%e5%8f%8a%e7%9a%84%e6%97%b6%e9%97%b4%e7%b3%bb%e7%bb%9f%e5%92%8c","status":"publish","type":"post","link":"https:\/\/hpu.gv.uy\/?p=47","title":{"rendered":"GPS\u6d4b\u91cf\u539f\u7406\u53ca\u5176\u5e94\u7528 p14 15GPS\u6d4b\u91cf\u4e2d\u6240\u6d89\u53ca\u7684\u65f6\u95f4\u7cfb\u7edf\u548c\u5750\u6807\u7cfb\u7edf\uff08\u4e03\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-\u56fa\u4f53\u6f6e\u4e0e\u5750\u6807\u7cfb\u7edf\u7684\u80cc\u666f-content-0000\">1. \u56fa\u4f53\u6f6e\u4e0e\u5750\u6807\u7cfb\u7edf\u7684\u80cc\u666f<\/a><\/li>\n\n\n\n<li><a href=\"#2-\u5750\u6807\u7cfb\u7edf\u4e0e\u5750\u6807\u6846\u67b6\u7684\u533a\u522b-content-0432\">2. \u5750\u6807\u7cfb\u7edf\u4e0e\u5750\u6807\u6846\u67b6\u7684\u533a\u522b<\/a><\/li>\n\n\n\n<li><a href=\"#3-\u56fd\u9645\u5730\u7403\u53c2\u8003\u7cfb\u7edf-itrs-\u7684\u5b9a\u4e49-content-0621\">3. \u56fd\u9645\u5730\u7403\u53c2\u8003\u7cfb\u7edf (ITRS) \u7684\u5b9a\u4e49<\/a><\/li>\n\n\n\n<li><a href=\"#4-\u56fd\u9645\u5730\u7403\u53c2\u8003\u6846\u67b6-itrf-\u7684\u5b9e\u73b0-content-1252\">4. \u56fd\u9645\u5730\u7403\u53c2\u8003\u6846\u67b6 (ITRF) \u7684\u5b9e\u73b0<\/a><\/li>\n\n\n\n<li><a href=\"#5-itrf-\u6846\u67b6\u7684\u6f14\u53d8\u4e0e\u8f6c\u6362-content-1617\">5. ITRF \u6846\u67b6\u7684\u6f14\u53d8\u4e0e\u8f6c\u6362<\/a><\/li>\n\n\n\n<li><a href=\"#6-\u4e0b\u8282\u9884\u544awgs-84-content-2101\">6. \u4e0b\u8282\u9884\u544a\uff1aWGS-84<\/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. \u56fa\u4f53\u6f6e\u4e0e\u5750\u6807\u7cfb\u7edf\u7684\u80cc\u666f <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p14?t=0\">\u539f\u7247 @ 00:00<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[00:30]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6df1\u5165\u8bb2\u89e3\u5750\u6807\u7cfb\u7edf\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u7406\u89e3\u5730\u7403\u7269\u7406\u73af\u5883\u5bf9\u6d4b\u91cf\u7684\u5f71\u54cd\uff0c\u7279\u522b\u662f<strong>\u56fa\u4f53\u6f6e (Solid Earth Tides)<\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u56fa\u4f53\u6f6e\u7684\u6982\u5ff5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7c7b\u4f3c\u4e8e\u6d77\u6d0b\u6f6e\u6c50\uff0c\u5730\u7403\u7684\u56fa\u4f53\u90e8\u5206\u5728\u592a\u9633\u548c\u6708\u7403\u7684\u4e07\u6709\u5f15\u529b\u4f5c\u7528\u4e0b\u4e5f\u4f1a\u4ea7\u751f\u5468\u671f\u6027\u7684\u5f39\u6027\u5f62\u53d8\u3002<\/li>\n\n\n\n<li>\u8fd9\u79cd\u5f62\u53d8\u88ab\u79f0\u4e3a\u201c\u56fa\u4f53\u6f6e\u201d\u3002<\/li>\n\n\n\n<li><strong>\u5f62\u53d8\u91cf\u7ea7<\/strong>\uff1a\u5730\u9762\u70b9\u7684\u9ad8\u7a0b\u53d8\u5316\u53ef\u8fbe\u6570\u5341\u5398\u7c73\uff08\u4f8b\u5982 50cm\uff09\u3002\u5f53\u592a\u9633\/\u6708\u7403\u4f4d\u4e8e\u67d0\u5730\u4e0a\u7a7a\u65f6\uff0c\u5730\u9762\u4f1a\u9686\u8d77\uff1b\u79fb\u5f00\u540e\u5219\u4e0b\u6c89\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5bf9\u6d4b\u91cf\u7684\u5f71\u54cd<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u70b9\u5b9a\u4f4d (Single Point Positioning)<\/strong>\uff1a\u5fc5\u987b\u8003\u8651\u56fa\u4f53\u6f6e\u7684\u5f71\u54cd\uff0c\u56e0\u4e3a\u51e0\u5341\u5398\u7c73\u7684\u8bef\u5dee\u5bf9\u4e8e\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u662f\u4e0d\u53ef\u5ffd\u7565\u7684\u3002<\/li>\n\n\n\n<li><strong>\u76f8\u5bf9\u5b9a\u4f4d (Relative Positioning)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728\u4f20\u7edf\u7684\u6d4b\u91cf\uff08\u5982\u6c34\u51c6\u6d4b\u91cf\u3001\u4e09\u89d2\u9ad8\u7a0b\u6d4b\u91cf\uff09\u4e2d\uff0c\u7531\u4e8e\u8fb9\u957f\u8f83\u77ed\uff08\u51e0\u516c\u91cc\u5230\u4e8c\u5341\u516c\u91cc\uff09\uff0c\u4e24\u4e2a\u6d4b\u7ad9\u53d7\u5230\u7684\u56fa\u4f53\u6f6e\u5f71\u54cd\u57fa\u672c\u76f8\u540c\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\uff0c\u5728\u9ad8\u5dee\u8ba1\u7b97\u4e2d\uff0c\u8fd9\u79cd\u5f71\u54cd\u4f1a\u76f8\u4e92\u62b5\u6d88\uff0c\u901a\u5e38\u4e0d\u9700\u8981\u4e13\u95e8\u8003\u8651\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u601d\u7ef4\u8f6c\u53d8<\/strong>\uff1a\u5b66\u4e60\u73b0\u4ee3\u5927\u5730\u6d4b\u91cf\uff08\u5982 GPS\uff09\u65f6\uff0c\u9700\u8981\u6539\u53d8\u4ee5\u5f80\u8ba4\u4e3a\u201c\u5730\u9762\u70b9\u9ad8\u7a0b\u56fa\u5b9a\u4e0d\u53d8\u201d\u7684\u89c2\u5ff5\u3002\u5728\u7cbe\u5bc6\u5355\u70b9\u5b9a\u4f4d\u4e2d\uff0c\u5730\u9762\u70b9\u662f\u968f\u65f6\u95f4\u52a8\u6001\u53d8\u5316\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u77ac\u65f6\u5730\u7403\u5750\u6807\u7cfb vs. \u56fa\u5b9a\u5730\u7403\u5750\u6807\u7cfb<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><em>Screenshot-[02:30]<\/em><\/li>\n\n\n\n<li><strong>\u77ac\u65f6\u5750\u6807\u7cfb<\/strong>\uff1a\u7531\u4e8e\u6781\u79fb\uff08Polar Motion\uff09\u548c\u5730\u7403\u81ea\u8f6c\u7684\u4e0d\u5747\u5300\u6027\uff0c\u5730\u7403\u7684\u77ac\u65f6\u81ea\u8f6c\u8f74\uff08Z\u8f74\uff09\u548c\u77ac\u65f6\u8d64\u9053\u9762\u662f\u6307\u5411\u65f6\u523b\u53d8\u5316\u7684\u3002\u89c2\u6d4b\u901a\u5e38\u662f\u5728\u77ac\u65f6\u5750\u6807\u7cfb\u4e2d\u8fdb\u884c\u7684\u3002<\/li>\n\n\n\n<li><strong>\u56fa\u5b9a\u5750\u6807\u7cfb<\/strong>\uff1a\u4e3a\u4e86\u6bd4\u8f83\u4e0d\u540c\u65f6\u95f4\u7684\u89c2\u6d4b\u6210\u679c\uff0c\u5fc5\u987b\u5efa\u7acb\u4e00\u4e2a\u56fa\u5b9a\u7684\u5730\u7403\u5750\u6807\u7cfb\u7edf\uff08Fixed Earth Coordinate System\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5f52\u7b97 (Reduction)<\/strong>\uff1a\u9700\u8981\u5c06\u4e0d\u540c\u65f6\u95f4\u5728\u77ac\u65f6\u5750\u6807\u7cfb\u4e0b\u7684\u89c2\u6d4b\u6210\u679c\uff08$X_p, Y_p$ \u7b49\uff09\uff0c\u901a\u8fc7\u6781\u79fb\u53c2\u6570\u7b49\u5f52\u7b97\u5230\u4e00\u4e2a\u7edf\u4e00\u3001\u56fa\u5b9a\u7684\u5750\u6807\u7cfb\u7edf\u4e2d\uff08\u5373\u56fd\u9645\u5730\u7403\u5750\u6807\u7cfb\uff09\u3002<\/li>\n<\/ul>\n<\/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\">2. \u5750\u6807\u7cfb\u7edf\u4e0e\u5750\u6807\u6846\u67b6\u7684\u533a\u522b <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p14?t=272\">\u539f\u7247 @ 04:32<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[04:40]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5927\u5730\u6d4b\u91cf\u5b66\u4e2d\uff0c<strong>\u5750\u6807\u7cfb (Coordinate System)<\/strong> \u548c <strong>\u5750\u6807\u6846\u67b6 (Coordinate Frame)<\/strong> \u662f\u4e24\u4e2a\u65e2\u76f8\u5173\u53c8\u6709\u4e25\u683c\u533a\u5206\u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5750\u6807\u7cfb (Coordinate System)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u6307\u7406\u8bba\u4e0a\u7684\u89c4\u5b9a\u548c\u5b9a\u4e49\u3002<\/li>\n\n\n\n<li><strong>\u5185\u5bb9<\/strong>\uff1a\u5305\u62ec\u539f\u70b9\u7684\u4f4d\u7f6e\u3001\u5750\u6807\u8f74\u7684\u6307\u5411\u3001\u5c3a\u5ea6\u7684\u5b9a\u4e49\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u6027\u8d28<\/strong>\uff1a\u5b83\u662f\u62bd\u8c61\u7684\uff0c\u7528\u6237\u65e0\u6cd5\u76f4\u63a5\u4f7f\u7528\u201c\u5b9a\u4e49\u201d\u6765\u6d4b\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5750\u6807\u6846\u67b6 (Coordinate Frame)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u662f\u5750\u6807\u7cfb\u7edf\u7684\u5177\u4f53<strong>\u5b9e\u73b0 (Realization)<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u5185\u5bb9<\/strong>\uff1a\u901a\u8fc7\u89c2\u6d4b\u548c\u6570\u636e\u5904\u7406\uff0c\u83b7\u5f97\u5730\u9762\u4e0a\u7531\u5927\u91cf\u57fa\u51c6\u7ad9\uff08Reference Stations\uff09\u7ec4\u6210\u7f51\u7684\u5750\u6807\u3001\u8fd9\u4e9b\u5750\u6807\u968f\u65f6\u95f4\u7684\u53d8\u5316\u7387\uff08\u901f\u5ea6\u573a\uff09\uff0c\u4ee5\u53ca\u76f8\u5e94\u7684\u5730\u7403\u81ea\u8f6c\u53c2\u6570 (EOP)\u3002<\/li>\n\n\n\n<li><strong>\u6027\u8d28<\/strong>\uff1a\u7528\u6237\u901a\u8fc7\u8fd9\u4e9b\u5177\u4f53\u7684\u63a7\u5236\u70b9\uff08\u57fa\u51c6\u7ad9\uff09\u5750\u6807\u6765\u4f7f\u7528\u8be5\u5750\u6807\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<\/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\">3. \u56fd\u9645\u5730\u7403\u53c2\u8003\u7cfb\u7edf (ITRS) \u7684\u5b9a\u4e49 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p14?t=381\">\u539f\u7247 @ 06:21<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[08:30]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>IERS (International Earth Rotation and Reference Systems Service)<\/strong>\uff0c\u5373\u56fd\u9645\u5730\u7403\u81ea\u8f6c\u4e0e\u53c2\u8003\u7cfb\u670d\u52a1\uff08\u539f\u56fd\u9645\u5730\u7403\u81ea\u8f6c\u670d\u52a1\uff09\uff0c\u8d1f\u8d23\u5b9a\u4e49\u548c\u7ef4\u62a4\u56fd\u9645\u5730\u7403\u53c2\u8003\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ITRS (International Terrestrial Reference System)<\/strong> \u7684\u5b9a\u4e49\u5305\u542b\u56db\u4e2a\u4e3b\u8981\u65b9\u9762\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u539f\u70b9 (Origin)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u4e49\u4e3a\u5305\u62ec\u6d77\u6d0b\u548c\u5927\u6c14\u7684\u6574\u4e2a\u5730\u7403\u7684<strong>\u8d28\u91cf\u4e2d\u5fc3 (Center of Mass)<\/strong>\u3002<\/li>\n\n\n\n<li><em>Screenshot-[09:06]<\/em><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5c3a\u5ea6 (Scale)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u4e49\u4e3a\u5728\u5e7f\u4e49\u76f8\u5bf9\u8bba\u5f15\u529b\u6846\u67b6\u4e0b\u7684<strong>SI\uff08\u56fd\u9645\u5355\u4f4d\u5236\uff09\u7c73<\/strong>\u3002<\/li>\n\n\n\n<li><em>Screenshot-[09:51]<\/em><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5b9a\u5411 (Orientation)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u57fa\u51c6\u5386\u5143\uff081984.0\uff09\u7684\u6307\u5411\u4e0e <strong>BIH (Bureau International de l&#8217;Heure, \u56fd\u9645\u65f6\u95f4\u5c40)<\/strong> \u5b9a\u4e49\u7684 1984.0 \u5730\u7403\u5750\u6807\u7cfb\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u8fd9\u4fdd\u8bc1\u4e86\u5750\u6807\u7cfb\u7684\u8fde\u7eed\u6027\u3002<\/li>\n\n\n\n<li><em>Screenshot-[10:26]<\/em><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u65f6\u95f4\u6f14\u53d8 (Time Evolution)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u9075\u5faa <strong>\u65e0\u6574\u4f53\u65cb\u8f6c (No Net Rotation, NNR)<\/strong> \u6761\u4ef6\u3002<\/li>\n\n\n\n<li>\u5047\u8bbe\u5730\u7403\u8868\u9762\u677f\u5757\u7684\u6574\u4f53\u6c34\u5e73\u8fd0\u52a8\u7684\u89d2\u52a8\u91cf\u4e4b\u548c\u4e3a\u96f6\u3002\u5373\uff0c\u5750\u6807\u7cfb\u4e0d\u968f\u677f\u5757\u8fd0\u52a8\u53d1\u751f\u6574\u4f53\u65cb\u8f6c\u3002<\/li>\n\n\n\n<li><em>Screenshot-[11:35]<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u56fd\u9645\u5730\u7403\u53c2\u8003\u6846\u67b6 (ITRF) \u7684\u5b9e\u73b0 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p14?t=772\">\u539f\u7247 @ 12:52<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[13:00]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ITRS \u53ea\u662f\u4e00\u4e2a\u7406\u8bba\u5b9a\u4e49\uff0c\u7528\u6237\u65e0\u6cd5\u76f4\u63a5\u611f\u77e5\u539f\u70b9\uff08\u5730\u5fc3\uff09\u5728\u54ea\u91cc\u3002\u56e0\u6b64\u9700\u8981\u901a\u8fc7 <strong>ITRF (International Terrestrial Reference Frame)<\/strong> \u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9e\u73b0\u624b\u6bb5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>IERS \u7efc\u5408\u4e86\u56db\u79cd\u4e3b\u8981\u7684\u7a7a\u95f4\u5927\u5730\u6d4b\u91cf\u6280\u672f\uff1a\n<ol class=\"wp-block-list\">\n<li><strong>VLBI<\/strong> (Very Long Baseline Interferometry\uff0c\u751a\u957f\u57fa\u7ebf\u5e72\u6d89\u6d4b\u91cf)<\/li>\n\n\n\n<li><strong>SLR<\/strong> (Satellite Laser Ranging\uff0c\u536b\u661f\u6fc0\u5149\u6d4b\u8ddd) \u2014\u2014 \u4e3b\u8981\u7528\u4e8e\u786e\u5b9a\u5730\u5fc3\uff08\u539f\u70b9\uff09\u3002<\/li>\n\n\n\n<li><strong>GPS\/GNSS<\/strong> (Global Navigation Satellite System)<\/li>\n\n\n\n<li><strong>DORIS<\/strong> (Doppler Orbitography and Radiopositioning Integrated by Satellite)<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><em>Screenshot-[07:20]<\/em><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6846\u67b6\u5185\u5bb9<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u7ad9\u5750\u6807<\/strong>\uff1a\u5168\u7403\u6570\u767e\u4e2a\u57fa\u51c6\u7ad9\u7684\u7cbe\u786e\u5750\u6807 $(X, Y, Z)$\u3002<\/li>\n\n\n\n<li><strong>\u901f\u5ea6\u573a (Velocity Field)<\/strong>\uff1a\u7531\u4e8e\u677f\u5757\u8fd0\u52a8\uff0c\u6bcf\u4e2a\u7ad9\u70b9\u7684\u5750\u6807\u968f\u65f6\u95f4\u53d8\u5316\uff08\u6bcf\u5e74\u51e0\u6beb\u7c73\u5230\u51e0\u5398\u7c73\uff09\u3002\u5fc5\u987b\u63d0\u4f9b\u5750\u6807\u7684\u5e74\u53d8\u5316\u7387 $(\\dot{X}, \\dot{Y}, \\dot{Z})$\u3002<\/li>\n\n\n\n<li><strong>\u5730\u7403\u5b9a\u5411\u53c2\u6570 (EOP)<\/strong>\uff1a\u5305\u62ec\u6781\u79fb\u3001\u65e5\u957f\u53d8\u5316\uff08\u5730\u7403\u81ea\u8f6c\u4e0d\u5747\u5300\u6027\uff09\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7528\u6237\u4f7f\u7528<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>IERS \u516c\u5e03\u8fd9\u4e9b\u57fa\u51c6\u7ad9\u7684\u5750\u6807\u548c\u901f\u5ea6\u573a\u3002<\/li>\n\n\n\n<li>\u7528\u6237\u5229\u7528\u5468\u56f4\u7684\u57fa\u51c6\u7ad9\u8fdb\u884c\u8054\u6d4b\uff0c\u4ece\u800c\u5c06\u81ea\u5df1\u7684\u6d4b\u91cf\u6210\u679c\u7eb3\u5165\u8be5\u5750\u6807\u6846\u67b6\u4e2d\u3002<\/li>\n<\/ul>\n<\/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\">5. ITRF \u6846\u67b6\u7684\u6f14\u53d8\u4e0e\u8f6c\u6362 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p14?t=977\">\u539f\u7247 @ 16:17<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[17:33]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u89c2\u6d4b\u6280\u672f\u7684\u8fdb\u6b65\u3001\u6570\u636e\u79ef\u7d2f\u548c\u5904\u7406\u6a21\u578b\u7684\u4f18\u5316\uff0cITRF \u4f1a\u5b9a\u671f\u66f4\u65b0\uff0c\u53d1\u5e03\u65b0\u7684\u6846\u67b6\u7248\u672c\uff08\u5982 ITRF2000, ITRF2005, ITRF2008 \u7b49\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7cbe\u5ea6\u7684\u63d0\u9ad8<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u65e9\u671f\u7684\u6846\u67b6\uff08\u5982 80 \u5e74\u4ee3\u300190 \u5e74\u4ee3\uff09\u4e4b\u95f4\uff0c\u539f\u70b9\u548c\u5c3a\u5ea6\u53ef\u80fd\u6709\u8f83\u5927\u5dee\u5f02\u3002<\/li>\n\n\n\n<li>\u8d8a\u65b0\u7684\u6846\u67b6\uff08\u5982 ITRF2005 \u5230 ITRF2008\uff09\uff0c\u539f\u70b9\u7684\u5e73\u79fb\u53c2\u6570\u6781\u5176\u5fae\u5c0f\uff08\u63a5\u8fd1 0\uff09\uff0c\u65cb\u8f6c\u53c2\u6570\u4e5f\u6781\u5c0f\uff08\u6beb\u89d2\u79d2\u91cf\u7ea7\uff09\uff0c\u8bf4\u660e\u5730\u5fc3\u548c\u5b9a\u5411\u7684\u786e\u5b9a\u8d8a\u6765\u8d8a\u7cbe\u786e\u3002<\/li>\n\n\n\n<li><em>Screenshot-[18:19]<\/em><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6846\u67b6\u95f4\u7684\u8f6c\u6362<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u6846\u67b6\u4e4b\u95f4\uff08\u5982 ITRF2000 \u8f6c\u5230 ITRF2005\uff09\u901a\u8fc7 <strong>7 \u53c2\u6570\u8f6c\u6362<\/strong>\uff08\u6216\u52a0\u4e0a\u901f\u5ea6\u53d8\u5316\u7387\u7684 14 \u53c2\u6570\uff09\u8fdb\u884c\u3002<\/li>\n\n\n\n<li>\u8f6c\u6362\u516c\u5f0f\uff08Helmert \u53d8\u6362\u6a21\u578b\uff09\uff1a<br>$$<br>\\begin{bmatrix} X \\ Y \\ Z \\end{bmatrix}<em>{new} = \\begin{bmatrix} T_1 \\ T_2 \\ T_3 \\end{bmatrix} + (1+D) \\begin{bmatrix} 1 &amp; R_3 &amp; -R_2 \\ -R_3 &amp; 1 &amp; R_1 \\ R_2 &amp; -R_1 &amp; 1 \\end{bmatrix} \\begin{bmatrix} X \\ Y \\ Z \\end{bmatrix}<\/em>{old}<br>$$<\/li>\n\n\n\n<li>\u5176\u4e2d\uff1a\n<ul class=\"wp-block-list\">\n<li>$T_1, T_2, T_3$\uff1a\u4e09\u4e2a\u5e73\u79fb\u53c2\u6570\uff08\u539f\u70b9\u5dee\u5f02\uff09\u3002<\/li>\n\n\n\n<li>$D$\uff1a\u5c3a\u5ea6\u56e0\u5b50\uff08Scale\uff09\u3002<\/li>\n\n\n\n<li>$R_1, R_2, R_3$\uff1a\u4e09\u4e2a\u65cb\u8f6c\u53c2\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>IERS \u4f1a\u968f\u65b0\u6846\u67b6\u4e00\u540c\u516c\u5e03\u8fd9\u4e9b\u8f6c\u6362\u53c2\u6570\uff0c\u7528\u6237\u53ef\u5229\u7528\u7279\u5b9a\u516c\u5f0f\uff08\u5982\u4e66\u4e2d\u63d0\u5230\u7684\u516c\u5f0f 2-36\uff09\u8fdb\u884c\u65b0\u8001\u5750\u6807\u7684\u7edf\u4e00\u3002<\/li>\n<\/ul>\n<\/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\">6. \u4e0b\u8282\u9884\u544a\uff1aWGS-84 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p14?t=1261\">\u539f\u7247 @ 21:01<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[21:20]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e\u65f6\u95f4\u5173\u7cfb\uff0cGPS \u7cfb\u7edf\u4e13\u7528\u7684 <strong>WGS-84 (World Geodetic System 1984)<\/strong> \u5750\u6807\u7cfb\u5c06\u5728\u4e0b\u4e00\u8282\u8bfe\u8be6\u7ec6\u4ecb\u7ecd\u3002\u5b83\u4e0e ITRS\/ITRF \u6709\u7740\u5bc6\u5207\u7684\u8054\u7cfb\u548c\u7ec6\u5fae\u7684\u533a\u522b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">AI \u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8282\u89c6\u9891\u6df1\u5165\u8bb2\u89e3\u4e86 GPS \u6d4b\u91cf\u4e2d\u6d89\u53ca\u7684\u9ad8\u7ea7\u5750\u6807\u7cfb\u7edf\u7406\u8bba\uff0c\u662f\u7814\u7a76\u751f\u590d\u8bd5\u7684\u91cd\u70b9\u5185\u5bb9\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7269\u7406\u80cc\u666f<\/strong>\uff1a\u5f3a\u8c03\u4e86<strong>\u56fa\u4f53\u6f6e<\/strong>\u5bf9\u9ad8\u7cbe\u5ea6\u5355\u70b9\u5b9a\u4f4d\u7684\u5f71\u54cd\uff0c\u6253\u7834\u4e86\u5730\u9762\u70b9\u9ad8\u7a0b\u6052\u5b9a\u7684\u4f20\u7edf\u8ba4\u77e5\u3002<\/li>\n\n\n\n<li><strong>\u6838\u5fc3\u6982\u5ff5\u533a\u5206<\/strong>\uff1a\u660e\u786e\u4e86<strong>\u5750\u6807\u7cfb (System)<\/strong> \u662f\u7406\u8bba\u5b9a\u4e49\uff08\u5982\u539f\u70b9\u5728\u5730\u5fc3\u3001\u65e0\u6574\u4f53\u65cb\u8f6c\uff09\uff0c\u800c<strong>\u5750\u6807\u6846\u67b6 (Frame)<\/strong> \u662f\u5177\u4f53\u5b9e\u73b0\uff08\u7531\u57fa\u51c6\u7ad9\u5750\u6807\u3001\u901f\u5ea6\u573a\u548c EOP \u7ec4\u6210\uff09\u3002<\/li>\n\n\n\n<li><strong>ITRS \u4e0e ITRF<\/strong>\uff1a\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u56fd\u9645\u5730\u7403\u53c2\u8003\u7cfb\u7edf (ITRS) \u7684\u56db\u4e2a\u5b9a\u4e49\u8981\u7d20\uff08\u539f\u70b9\u3001\u5c3a\u5ea6\u3001\u5b9a\u5411\u3001\u65f6\u95f4\u6f14\u53d8\uff09\u4ee5\u53ca\u56fd\u9645\u5730\u7403\u53c2\u8003\u6846\u67b6 (ITRF) \u7684\u5b9e\u73b0\u624b\u6bb5\uff08VLBI, SLR \u7b49\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6846\u67b6\u6f14\u8fdb<\/strong>\uff1aITRF \u7248\u672c\u4e0d\u65ad\u66f4\u65b0\uff08\u5982 ITRF2008\uff09\uff0c\u7cbe\u5ea6\u8d8a\u6765\u8d8a\u9ad8\uff0c\u65b0\u65e7\u6846\u67b6\u95f4\u53ef\u901a\u8fc7\u5e73\u79fb\u3001\u65cb\u8f6c\u548c\u5c3a\u5ea6\u53c2\u6570\u8fdb\u884c\u4e25\u5bc6\u8f6c\u6362\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u89e3\u8fd9\u4e9b\u6982\u5ff5\u5bf9\u4e8e\u638c\u63e1\u9ad8\u7cbe\u5ea6 GPS \u6570\u636e\u5904\u7406\u81f3\u5173\u91cd\u8981\uff0c\u7279\u522b\u662f\u5904\u7406\u8de8\u5ea6\u5927\u3001\u65f6\u95f4\u957f\u7684\u89c2\u6d4b\u6570\u636e\u65f6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55 1. \u56fa\u4f53\u6f6e\u4e0e\u5750\u6807\u7cfb\u7edf\u7684\u80cc\u666f \u539f\u7247 @ 00:00* Screenshot-[00:30] \u5728\u6df1\u5165\u8bb2\u89e3\u5750 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3,2],"tags":[6,4],"class_list":["post-47","post","type-post","status-publish","format-standard","hentry","category-gps","category-note","tag-ai","tag-4"],"_links":{"self":[{"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/posts\/47","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=47"}],"version-history":[{"count":1,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/posts\/47\/revisions"}],"predecessor-version":[{"id":48,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/posts\/47\/revisions\/48"}],"wp:attachment":[{"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=47"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=47"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=47"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}