{"id":87,"date":"2026-03-01T16:42:42","date_gmt":"2026-03-01T08:42:42","guid":{"rendered":"https:\/\/hpu.gv.uy\/?p=87"},"modified":"2026-03-01T17:01:01","modified_gmt":"2026-03-01T09:01:01","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-p30-31gps%e5%ae%9a%e4%bd%8d%e4%b8%ad%e7%9a%84%e8%af%af%e5%b7%ae%e6%ba%90%ef%bc%88%e4%b8%89%ef%bc%89","status":"publish","type":"post","link":"https:\/\/hpu.gv.uy\/?p=87","title":{"rendered":"GPS\u6d4b\u91cf\u539f\u7406\u53ca\u5176\u5e94\u7528 p30 31GPS\u5b9a\u4f4d\u4e2d\u7684\u8bef\u5dee\u6e90\uff08\u4e09\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\u5bf9\u8bba\u6548\u5e94\u7684\u4fee\u6b63\u4e0e\u5e94\u7528\">1. \u76f8\u5bf9\u8bba\u6548\u5e94\u7684\u4fee\u6b63\u4e0e\u5e94\u7528<\/a><\/li>\n\n\n\n<li><a href=\"#2-\u5730\u7403\u81ea\u8f6csagnac\u6548\u5e94\u5bf9\u63a5\u6536\u673a\u7684\u5f71\u54cd\">2. \u5730\u7403\u81ea\u8f6c\uff08Sagnac\u6548\u5e94\uff09\u5bf9\u63a5\u6536\u673a\u7684\u5f71\u54cd<\/a><\/li>\n\n\n\n<li><a href=\"#3-\u949f\u8bef\u5dee\u6982\u8ff0\">3. \u949f\u8bef\u5dee\u6982\u8ff0<\/a><\/li>\n\n\n\n<li><a href=\"#4-\u536b\u661f\u949f\u8bef\u5dee\u7684\u6a21\u578b\u4e0e\u8ba1\u7b97\">4. \u536b\u661f\u949f\u8bef\u5dee\u7684\u6a21\u578b\u4e0e\u8ba1\u7b97<\/a><\/li>\n\n\n\n<li><a href=\"#5-\u63a5\u6536\u673a\u949f\u8bef\u5dee\u7684\u5904\u7406\u65b9\u6cd5\">5. \u63a5\u6536\u673a\u949f\u8bef\u5dee\u7684\u5904\u7406\u65b9\u6cd5<\/a><\/li>\n\n\n\n<li><a href=\"#6-\u536b\u661f\u949f\u5dee\u7684\u5206\u7c7b\u7269\u7406\u540c\u6b65\u4e0e\u6570\u636e\u540c\u6b65\">6. \u536b\u661f\u949f\u5dee\u7684\u5206\u7c7b\uff1a\u7269\u7406\u540c\u6b65\u4e0e\u6570\u636e\u540c\u6b65<\/a><\/li>\n\n\n\n<li><a href=\"#7-\u63d0\u9ad8\u949f\u5dee\u7cbe\u5ea6\u7684\u7b56\u7565\u4e0eigs\u670d\u52a1\">7. \u63d0\u9ad8\u949f\u5dee\u7cbe\u5ea6\u7684\u7b56\u7565\u4e0eIGS\u670d\u52a1<\/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\u5bf9\u8bba\u6548\u5e94\u7684\u4fee\u6b63\u4e0e\u5e94\u7528 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p30?t=0\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 00:00<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728GPS\u6d4b\u91cf\u4e2d\uff0c\u76f8\u5bf9\u8bba\u6548\u5e94\u662f\u4e00\u4e2a\u5fc5\u987b\u8003\u8651\u7684\u91cd\u8981\u8bef\u5dee\u6e90\u3002\u89c6\u9891\u9996\u5148\u56de\u987e\u4e86\u76f8\u5bf9\u8bba\u6548\u5e94\u5bf9\u536b\u661f\u65f6\u949f\u7684\u5f71\u54cd\u53ca\u5176\u4fee\u6b63\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[00:00]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u9891\u7387\u8c03\u6574\uff08\u786c\u4ef6\u5c42\u9762\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76f8\u5bf9\u8bba\u6548\u5e94\u7684\u4e3b\u8981\u90e8\u5206\uff08\u957f\u671f\u9879\uff09\u901a\u8fc7\u5728\u5730\u9762\u53d1\u5c04\u536b\u661f\u524d\uff0c\u4eba\u4e3a\u8c03\u4f4e\u536b\u661f\u65f6\u949f\u7684\u9891\u7387\u6765\u89e3\u51b3\u3002<\/li>\n\n\n\n<li>\u7528\u6237\u5728\u4f7f\u7528\u65f6\u65e0\u9700\u518d\u6b21\u8ba1\u7b97\u8fd9\u90e8\u5206\uff0c\u56e0\u4e3a\u536b\u661f\u786c\u4ef6\u5df2\u7ecf\u5b8c\u6210\u4e86\u4fee\u6b63\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u5468\u671f\u6027\u8bef\u5dee\u7684\u4fee\u6b63\uff08\u7528\u6237\u5c42\u9762\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u6237\u9700\u8981\u8ba1\u7b97\u7684\u662f\u7531\u4e8e\u536b\u661f\u8f68\u9053\u504f\u5fc3\u7387\u5f15\u8d77\u7684<strong>\u5468\u671f\u6027\u76f8\u5bf9\u8bba\u6548\u5e94<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97\u516c\u5f0f<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<strong>\u5e7f\u64ad\u661f\u5386<\/strong>\uff08Broadcast Ephemeris\uff09\u65f6\uff0c\u5229\u7528\u8f68\u9053\u6839\u6570\u8ba1\u7b97\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<strong>\u7cbe\u5bc6\u661f\u5386<\/strong>\uff08Precise Ephemeris\uff09\u65f6\uff0c\u7531\u4e8e\u5df2\u77e5\u536b\u661f\u7684\u4f4d\u7f6e\u5411\u91cf\uff08\\vec{r}\uff09\u548c\u901f\u5ea6\u5411\u91cf\uff08\\vec{v}\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u516c\u5f0f\u8ba1\u7b97\u8ddd\u79bb\u6539\u6b63\uff1a<br>\\Delta \\rho = &#8211; \\frac{2 \\vec{r} \\cdot \\vec{v}}{c} \u6216\u8005\u8ba1\u7b97\u949f\u5dee\u6539\u6b63\uff1a<br>\\Delta t_r = F e \\sqrt{A} \\sin E_k \u5176\u4e2d F \u4e3a\u5e38\u6570\uff0ce \u4e3a\u504f\u5fc3\u7387\uff0c\\sqrt{A} \u4e3a\u957f\u534a\u8f74\u5e73\u65b9\u6839\uff0cE_k \u4e3a\u504f\u8fd1\u70b9\u89d2\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[01:34]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. <strong>\u5b9a\u4f4d\u6a21\u5f0f\u5bf9\u8bef\u5dee\u7684\u5f71\u54cd<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u70b9\u5b9a\u4f4d\uff08Single Point Positioning\uff09<\/strong>\uff1a\u5fc5\u987b\u4e25\u683c\u8ba1\u7b97\u5e76\u52a0\u5165\u76f8\u5bf9\u8bba\u6548\u5e94\u6539\u6b63\u3002<\/li>\n\n\n\n<li><strong>\u76f8\u5bf9\u5b9a\u4f4d\uff08Relative Positioning\uff09<\/strong>\uff1a\u5982\u679c\u4e24\u4e2a\u89c2\u6d4b\u7ad9\u5bf9\u540c\u4e00\u9897\u536b\u661f\u8fdb\u884c\u540c\u6b65\u89c2\u6d4b\uff0c\u5927\u90e8\u5206\u76f8\u5bf9\u8bba\u6548\u5e94\u8bef\u5dee\u5728\u5dee\u5206\u8fc7\u7a0b\u4e2d\u4f1a\u76f8\u4e92\u62b5\u6d88\uff08\u516c\u5171\u8bef\u5dee\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u867d\u7136\u5dee\u5206\u53ef\u4ee5\u6d88\u9664\u5927\u90e8\u5206\u8bef\u5dee\uff0c\u4f46\u4e3a\u4e86\u4e25\u8c28\u6027\uff0c\u901a\u5e38\u5efa\u8bae\u5148\u8fdb\u884c\u6a21\u578b\u6539\u6b63\u3002<\/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. \u5730\u7403\u81ea\u8f6c\uff08Sagnac\u6548\u5e94\uff09\u5bf9\u63a5\u6536\u673a\u7684\u5f71\u54cd <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p30?t=266\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 04:26<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c6\u9891\u8ba8\u8bba\u4e86\u5730\u9762\u63a5\u6536\u673a\u968f\u5730\u7403\u81ea\u8f6c\u4ea7\u751f\u7684\u76f8\u5bf9\u8bba\u6548\u5e94\uff08Sagnac\u6548\u5e94\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[04:48]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u7406\u8bba\u80cc\u666f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5730\u9762\u63a5\u6536\u673a\u5e76\u975e\u9759\u6b62\uff0c\u800c\u662f\u968f\u5730\u7403\u81ea\u8f6c\u8fd0\u52a8\u3002<\/li>\n\n\n\n<li>\u7406\u8bba\u4e0a\uff0c\u63a5\u6536\u673a\u4e5f\u4f1a\u53d7\u5230\u76f8\u5bf9\u8bba\u6548\u5e94\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u8bef\u5dee\u5904\u7406\u673a\u5236<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u8ba1\u7b97\u536b\u661f\u5230\u63a5\u6536\u673a\u7684\u8ddd\u79bb\u65f6\uff0c\u5982\u679c\u4e0d\u8003\u8651\u5730\u7403\u81ea\u8f6c\u6548\u5e94\uff0c\u516c\u5f0f\u662f\u4e0d\u4e25\u5bc6\u7684\u3002<\/li>\n\n\n\n<li>\u5730\u7403\u81ea\u8f6c\u7ebf\u901f\u5ea6\u968f\u7eac\u5ea6\u53d8\u5316\uff0c\u5927\u7ea6\u4e3a\u51e0\u767e\u7c73\/\u79d2\uff08\u8d64\u9053\u5904\u6700\u5927\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5b9e\u9645\u4e0a\u65e0\u9700\u5355\u72ec\u8ba1\u7b97<\/strong>\uff1a\u63a5\u6536\u673a\u968f\u5730\u7403\u81ea\u8f6c\u4ea7\u751f\u7684\u76f8\u5bf9\u8bba\u6548\u5e94\uff0c\u5728\u89e3\u7b97\u63a5\u6536\u673a\u949f\u5dee\uff08Receiver Clock Error\uff09\u65f6\uff0c\u4f1a\u81ea\u52a8\u88ab<strong>\u63a5\u6536\u673a\u949f\u5dee\u53c2\u6570<\/strong>\u5438\u6536\u3002<\/li>\n\n\n\n<li><strong>\u7ed3\u8bba<\/strong>\uff1a\u867d\u7136\u8fd9\u90e8\u5206\u8bef\u5dee\u5b58\u5728\uff0c\u4f46\u7531\u4e8e\u5b83\u4f1a\u81ea\u52a8\u8fdb\u5165\u63a5\u6536\u673a\u949f\u5dee\u9879\uff0c\u7528\u6237\u5728\u6570\u636e\u5904\u7406\u65f6\u901a\u5e38\u4e0d\u9700\u8981\u5355\u72ec\u5217\u51fa\u516c\u5f0f\u8fdb\u884c\u4fee\u6b63\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[06:20]<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u949f\u8bef\u5dee\u6982\u8ff0 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p30?t=484\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 08:04<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u949f\u8bef\u5dee\u662fGPS\u6d4b\u91cf\u4e2d\u7684\u6838\u5fc3\u8bef\u5dee\u6e90\u4e4b\u4e00\uff0c\u4e3b\u8981\u5206\u4e3a<strong>\u536b\u661f\u949f\u8bef\u5dee<\/strong>\u548c<strong>\u63a5\u6536\u673a\u949f\u8bef\u5dee<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u8bef\u5dee\u6765\u6e90<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e0\u8bba\u662f\u536b\u661f\u642d\u8f7d\u7684\u539f\u5b50\u949f\uff08Atomic Clock\uff09\u8fd8\u662f\u63a5\u6536\u673a\u4f7f\u7528\u7684\u77f3\u82f1\u949f\uff0c\u90fd\u4f1a\u968f\u65f6\u95f4\u4ea7\u751f\u6f02\u79fb\u548c\u968f\u673a\u8bef\u5dee\u3002<\/li>\n\n\n\n<li><strong>\u536b\u661f\u949f<\/strong>\uff1a\u7a33\u5b9a\u6027\u6781\u9ad8\uff0c\u901a\u5e38\u4f7f\u7528\u94ef\u949f\u6216\u94f7\u949f\u3002<\/li>\n\n\n\n<li><strong>\u63a5\u6536\u673a\u949f<\/strong>\uff1a\u901a\u5e38\u4e3a\u77f3\u82f1\u949f\uff0c\u7a33\u5b9a\u6027\u8f83\u5dee\uff0c\u8bef\u5dee\u8f83\u5927\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u8bef\u5dee\u7279\u6027<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7cfb\u7edf\u6027\u90e8\u5206<\/strong>\uff1a\u5305\u62ec\u65f6\u95f4\u504f\u5dee\u3001\u9891\u504f\uff08\u949f\u901f\u8bef\u5dee\uff09\u3001\u9891\u6f02\uff08\u8001\u5316\u7387\/\u52a0\u901f\u5ea6\u9879\uff09\u3002\u8fd9\u90e8\u5206\u53ef\u4ee5\u7528\u591a\u9879\u5f0f\u62df\u5408\u3002<\/li>\n\n\n\n<li><strong>\u968f\u673a\u6027\u90e8\u5206<\/strong>\uff1a\u968f\u65f6\u95f4\u968f\u673a\u53d8\u5316\uff0c\u65e0\u89c4\u5f8b\uff0c\u65e0\u6cd5\u7528\u786e\u5b9a\u6027\u516c\u5f0f\u6539\u6b63\uff0c\u53ea\u80fd\u901a\u8fc7\u7edf\u8ba1\u6a21\u578b\uff08\u5982Allan\u65b9\u5dee\/\u7a33\u5b9a\u5ea6\uff09\u63cf\u8ff0\u3002<\/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\">4. \u536b\u661f\u949f\u8bef\u5dee\u7684\u6a21\u578b\u4e0e\u8ba1\u7b97 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p30?t=543\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 09:03<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u8ba9\u7528\u6237\u4fee\u6b63\u536b\u661f\u949f\u8bef\u5dee\uff0c\u5bfc\u822a\u7535\u6587\uff08Navigation Message\uff09\u4e2d\u63d0\u4f9b\u4e86\u949f\u5dee\u6539\u6b63\u53c2\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[09:55]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u4e8c\u6b21\u591a\u9879\u5f0f\u6a21\u578b<\/strong><br>GPS\u5bfc\u822a\u7535\u6587\u6bcf\u4e24\u5c0f\u65f6\u66f4\u65b0\u4e00\u6b21\uff0c\u63d0\u4f9b\u4e00\u7ec4\u53c2\u8003\u65f6\u523b\u7684\u949f\u5dee\u7cfb\u6570\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>t_{0c}\uff1a\u53c2\u8003\u65f6\u523b\uff08Reference Time\uff09\u3002<\/li>\n\n\n\n<li>a_0\uff1a\u53c2\u8003\u65f6\u523b\u7684\u949f\u5dee\uff08Bias\uff09\u3002<\/li>\n\n\n\n<li>a_1\uff1a\u949f\u901f\/\u9891\u7387\u6f02\u79fb\uff08Drift\uff09\u3002<\/li>\n\n\n\n<li>a_2\uff1a\u949f\u6f02\/\u9891\u7387\u8001\u5316\u7387\uff08Drift Rate\/Aging\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u8ba1\u7b97\u516c\u5f0f<\/strong><br>\u7528\u6237\u8ba1\u7b97\u4efb\u610f\u65f6\u523b t \u7684\u536b\u661f\u949f\u6539\u6b63\u6570 \\Delta t_{sv}\uff1a<br>\\Delta t_{sv} = a_0 + a_1(t &#8211; t_{0c}) + a_2(t &#8211; t_{0c})^2 + \\Delta t_r<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ce8\u610f\uff1a\u516c\u5f0f\u4e2d\u4e0d\u4ec5\u5305\u542b\u591a\u9879\u5f0f\u90e8\u5206\uff0c\u8fd8\u9700\u52a0\u4e0a\u524d\u6587\u63d0\u5230\u7684\u76f8\u5bf9\u8bba\u5468\u671f\u9879\u6539\u6b63 \\Delta t_r\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">3. <strong>\u7cfb\u7edf\u8bef\u5dee\u4e0e\u968f\u673a\u8bef\u5dee\u7684\u5206\u79bb<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u591a\u9879\u5f0f\u6a21\u578b\uff08a_0, a_1, a_2\uff09\u4e3b\u8981\u62df\u5408<strong>\u957f\u671f\u53d8\u5316\u7684\u7cfb\u7edf\u6027\u8bef\u5dee<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u5468\u671f\u6027\u8bef\u5dee<\/strong>\uff08\u76f8\u5bf9\u8bba\u6548\u5e94\uff09\u5355\u72ec\u8ba1\u7b97\u3002<\/li>\n\n\n\n<li><strong>\u968f\u673a\u8bef\u5dee<\/strong>\u65e0\u6cd5\u88ab\u6a21\u578b\u62df\u5408\uff0c\u662f\u5bfc\u81f4\u6700\u7ec8\u949f\u5dee\u7cbe\u5ea6\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[11:03]<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u63a5\u6536\u673a\u949f\u8bef\u5dee\u7684\u5904\u7406\u65b9\u6cd5 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p30?t=1045\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 17:25<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u6536\u673a\u4f7f\u7528\u7684\u77f3\u82f1\u949f\u7cbe\u5ea6\u8fdc\u4f4e\u4e8e\u536b\u661f\u539f\u5b50\u949f\uff0c\u56e0\u6b64\u5904\u7406\u65b9\u5f0f\u4e0d\u540c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u65b9\u6cd5\u4e00\uff1a\u4f5c\u4e3a\u672a\u77e5\u53c2\u6570\u4f30\u8ba1\uff08\u5355\u70b9\u5b9a\u4f4d\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5355\u70b9\u5b9a\u4f4d\u4e2d\uff0c\u63a5\u6536\u673a\u4f4d\u7f6e (X, Y, Z) \u662f\u672a\u77e5\u6570\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u673a\u949f\u5dee \\delta t \u4e5f\u88ab\u89c6\u4e3a\u7b2c4\u4e2a\u672a\u77e5\u6570\u3002<\/li>\n\n\n\n<li><strong>\u9700\u6c42<\/strong>\uff1a\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48GPS\u5b9a\u4f4d\u81f3\u5c11\u9700\u8981\u89c2\u6d4b<strong>4\u9897\u536b\u661f<\/strong>\u7684\u539f\u56e0\uff08\u89e3\u7b974\u4e2a\u65b9\u7a0b\uff1aX, Y, Z, dT\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u65b9\u6cd5\u4e8c\uff1a\u5dee\u5206\u6d88\u9664\uff08\u76f8\u5bf9\u5b9a\u4f4d\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u661f\u95f4\u5dee\u5206\uff08Between-Satellite Difference\uff09<\/strong>\uff1a\u540c\u4e00\u53f0\u63a5\u6536\u673a\u5728\u540c\u4e00\u65f6\u523b\u89c2\u6d4b\u591a\u9897\u536b\u661f\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u63a5\u6536\u673a\u949f\u5dee\u5bf9\u4e8e\u6240\u6709\u89c2\u6d4b\u5230\u7684\u536b\u661f\u5728\u540c\u4e00\u77ac\u95f4\u662f\u76f8\u540c\u7684\uff0c\u901a\u8fc7\u5728\u89c2\u6d4b\u65b9\u7a0b\u4e2d\u76f8\u51cf\uff08\u6c42\u5dee\uff09\uff0c\u53ef\u4ee5\u76f4\u63a5\u6d88\u9664\u63a5\u6536\u673a\u949f\u5dee\u9879\u3002<\/li>\n\n\n\n<li>\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u9700\u8981\u663e\u5f0f\u6c42\u89e3\u63a5\u6536\u673a\u949f\u5dee\u5177\u4f53\u6570\u503c\uff0c\u76f4\u63a5\u5c06\u5176\u6d88\u9664\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[18:23]<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u536b\u661f\u949f\u5dee\u7684\u5206\u7c7b\uff1a\u7269\u7406\u540c\u6b65\u4e0e\u6570\u636e\u540c\u6b65 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p30?t=1243\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 20:43<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c6\u9891\u8be6\u7ec6\u533a\u5206\u4e86\u536b\u661f\u949f\u5dee\u7684\u4e24\u4e2a\u6982\u5ff5\uff0c\u8fd9\u5bf9\u4e8e\u7406\u89e3\u8bef\u5dee\u63a7\u5236\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u7269\u7406\u540c\u6b65\u8bef\u5dee (Physical Synchronization Error)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u536b\u661f\u65f6\u949f\u6307\u793a\u7684\u65f6\u95f4\u4e0e\u6807\u51c6GPS\u65f6\u95f4\uff08GPS Time\uff09\u4e4b\u95f4\u7684<strong>\u771f\u5b9e\u7269\u7406\u5dee\u5f02<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u91cf\u7ea7<\/strong>\uff1a\u7531\u4e8e\u65f6\u949f\u6f02\u79fb\uff0c\u8fd9\u4e2a\u8bef\u5dee\u53ef\u80fd\u7d2f\u79ef\u5f97\u5f88\u5927\u3002\u7cfb\u7edf\u5141\u8bb8\u6700\u5927\u8bef\u5dee\u4e0d\u8d85\u8fc7 <strong>1\u6beb\u79d2<\/strong>\uff081ms\uff09\u3002<\/li>\n\n\n\n<li><strong>\u63a7\u5236<\/strong>\uff1a\u5982\u679c\u8d85\u8fc71ms\uff0c\u5730\u9762\u63a7\u5236\u7ad9\u4f1a\u8c03\u6574\u536b\u661f\u65f6\u949f\u30021ms \u5bf9\u5e94\u7ea6 300km \u7684\u8ddd\u79bb\u8bef\u5dee\uff0c\u8fd9\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u6570\u503c\uff0c\u4e0d\u80fd\u76f4\u63a5\u7528\u4e8e\u5b9a\u4f4d\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u6570\u636e\u540c\u6b65\u8bef\u5dee (Data Synchronization Error)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u7528\u6237\u4f7f\u7528\u5bfc\u822a\u7535\u6587\u63d0\u4f9b\u7684\u591a\u9879\u5f0f\u53c2\u6570\uff08a_0, a_1, a_2\uff09\u5bf9\u536b\u661f\u65f6\u95f4\u8fdb\u884c\u6539\u6b63\u540e\uff0c<strong>\u6b8b\u4f59\u7684\u8bef\u5dee<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u6765\u6e90<\/strong>\uff1a\u591a\u9879\u5f0f\u62df\u5408\u7684\u4e0d\u5b8c\u7f8e\u4ee5\u53ca\u536b\u661f\u949f\u7684\u968f\u673a\u8bef\u5dee\u3002<\/li>\n\n\n\n<li><strong>\u91cf\u7ea7<\/strong>\uff1a\u975e\u5e38\u5c0f\uff0c\u76ee\u524d\u5e7f\u64ad\u661f\u5386\u7684\u7cbe\u5ea6\u901a\u5e38\u5728 <strong>5\u7eb3\u79d2 (5ns)<\/strong> \u4ee5\u5185\uff0c\u5178\u578b\u503c\u4e3a 1-2ns\u3002<\/li>\n\n\n\n<li><strong>\u610f\u4e49<\/strong>\uff1a\u8fd9\u662f\u7528\u6237\u5b9e\u9645\u5b9a\u4f4d\u65f6\u9762\u5bf9\u7684\u6709\u6548\u949f\u8bef\u5dee\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[23:10]<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u63d0\u9ad8\u949f\u5dee\u7cbe\u5ea6\u7684\u7b56\u7565\u4e0eIGS\u670d\u52a1 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p30?t=1501\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 25:01<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636e\u5bf9\u5b9a\u4f4d\u7cbe\u5ea6\u7684\u4e0d\u540c\u8981\u6c42\uff0c\u91c7\u53d6\u4e0d\u540c\u7684\u536b\u661f\u949f\u5dee\u5904\u7406\u7b56\u7565\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u4f4e\u7cbe\u5ea6\/\u5b9e\u65f6\u5e94\u7528\uff08\u4f7f\u7528\u5e7f\u64ad\u661f\u5386\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76f4\u63a5\u4f7f\u7528\u5e7f\u64ad\u661f\u5386\u4e2d\u7684 a_0, a_1, a_2 \u8fdb\u884c\u6539\u6b63\u3002<\/li>\n\n\n\n<li>\u7cbe\u5ea6\uff1a\u7ea6 5ns\uff08\u5bf9\u5e94\u8ddd\u79bb\u8bef\u5dee\u7ea6 1.5\u7c73\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u9ad8\u7cbe\u5ea6\u5e94\u7528\uff08\u4f7f\u7528\u7cbe\u5bc6\u661f\u5386\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IGS (International GNSS Service)<\/strong>\uff1a\u7531\u56fd\u9645\u5927\u5730\u6d4b\u91cf\u534f\u4f1a\u7ec4\u7ec7\u7684\u5168\u7403\u670d\u52a1\uff0c\u62e5\u6709400\u591a\u4e2a\u5168\u7403\u8ddf\u8e2a\u7ad9\u3002<\/li>\n\n\n\n<li><strong>\u7cbe\u5bc6\u949f\u5dee<\/strong>\uff1aIGS\u5229\u7528\u5927\u91cf\u8ddf\u8e2a\u7ad9\u6570\u636e\u8fdb\u884c\u540e\u5904\u7406\uff0c\u8ba1\u7b97\u51fa\u7684\u7cbe\u5bc6\u536b\u661f\u949f\u5dee\u7cbe\u5ea6\u6781\u9ad8\u3002<\/li>\n\n\n\n<li><strong>\u7cbe\u5ea6<\/strong>\uff1a\u76ee\u524dIGS\u63d0\u4f9b\u7684\u7cbe\u5bc6\u536b\u661f\u949f\u5dee\u7cbe\u5ea6\u53ef\u4f18\u4e8e <strong>0.1ns<\/strong>\uff0c\u8f68\u9053\u7cbe\u5ea6\u4f18\u4e8e <strong>2.5cm<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[26:44]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. <strong>\u76f8\u5bf9\u5b9a\u4f4d\uff08\u5dee\u5206\u6cd5\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53cc\u5dee\uff08Double Difference\uff09<\/strong>\uff1a\u4e24\u53f0\u63a5\u6536\u673a\u89c2\u6d4b\u540c\u4e00\u9897\u536b\u661f\uff0c\u76f8\u51cf\u53ef\u6d88\u9664\u536b\u661f\u949f\u5dee\u3002<\/li>\n\n\n\n<li>\u5373\u4f7f\u536b\u661f\u949f\u5dee\u5f88\u5927\uff08\u7269\u7406\u540c\u6b65\u8bef\u5dee\u5927\uff09\uff0c\u53ea\u8981\u4e24\u53f0\u63a5\u6536\u673a\u540c\u6b65\u89c2\u6d4b\uff0c\u8fd9\u4e2a\u8bef\u5dee\u4f5c\u4e3a\u516c\u5171\u9879\u4f1a\u88ab\u5b8c\u5168\u6d88\u9664\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">4. <strong>\u5b9e\u9645\u6570\u636e\u5bf9\u6bd4<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u89c6\u9891\u5c55\u793a\u4e86\u5e7f\u64ad\u661f\u5386\u949f\u5dee\u4e0eIGS\u7cbe\u5bc6\u949f\u5dee\u7684\u5bf9\u6bd4\u56fe\u3002<\/li>\n\n\n\n<li>\u7edd\u5927\u591a\u6570\u536b\u661f\u7684\u5e7f\u64ad\u661f\u5386\u949f\u5dee\u6b8b\u5dee\u5728 <strong>1-2ns<\/strong> \u8303\u56f4\u5185\u3002<\/li>\n\n\n\n<li>\u4e2a\u522b\u6027\u80fd\u8f83\u5dee\u7684\u536b\u661f\uff08\u7531\u4e8e\u539f\u5b50\u949f\u8001\u5316\u7b49\u539f\u56e0\uff09\u8bef\u5dee\u53ef\u80fd\u7a0d\u5927\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[29:21]<\/em><br><em>Screenshot-[30:25]<\/em><\/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\u8bfe\u7a0b\u6df1\u5165\u63a2\u8ba8\u4e86GPS\u5b9a\u4f4d\u4e2d\u7684\u5173\u952e\u8bef\u5dee\u6e90\uff1a<strong>\u76f8\u5bf9\u8bba\u6548\u5e94<\/strong>\u548c<strong>\u949f\u8bef\u5dee<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728<strong>\u76f8\u5bf9\u8bba\u6548\u5e94<\/strong>\u65b9\u9762\uff0c\u9664\u4e86\u53d1\u5c04\u524d\u7684\u9891\u7387\u8c03\u6574\u5916\uff0c\u7528\u6237\u9700\u5173\u6ce8\u7531\u8f68\u9053\u504f\u5fc3\u7387\u5f15\u8d77\u7684\u5468\u671f\u6027\u8bef\u5dee\u3002\u867d\u7136\u5355\u70b9\u5b9a\u4f4d\u5fc5\u987b\u8ba1\u7b97\u6b64\u4fee\u6b63\uff0c\u4f46\u5728\u76f8\u5bf9\u5b9a\u4f4d\u4e2d\u8be5\u8bef\u5dee\u57fa\u672c\u53ef\u88ab\u5dee\u5206\u6d88\u9664\u3002\u6b64\u5916\uff0c\u5730\u9762\u63a5\u6536\u673a\u968f\u5730\u7403\u81ea\u8f6c\u4ea7\u751f\u7684Sagnac\u6548\u5e94\u4f1a\u88ab\u81ea\u52a8\u5438\u6536\u5230\u63a5\u6536\u673a\u949f\u5dee\u53c2\u6570\u4e2d\uff0c\u65e0\u9700\u5355\u72ec\u4fee\u6b63\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728<strong>\u949f\u8bef\u5dee<\/strong>\u65b9\u9762\uff0c\u8bfe\u7a0b\u533a\u5206\u4e86\u536b\u661f\u949f\u8bef\u5dee\u548c\u63a5\u6536\u673a\u949f\u8bef\u5dee\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u536b\u661f\u949f\u8bef\u5dee<\/strong>\u901a\u8fc7\u5bfc\u822a\u7535\u6587\u63d0\u4f9b\u7684\u4e8c\u6b21\u591a\u9879\u5f0f\u6a21\u578b\uff08a_0, a_1, 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