{"id":74,"date":"2026-03-01T16:29:33","date_gmt":"2026-03-01T08:29:33","guid":{"rendered":"https:\/\/hpu.gv.uy\/?p=74"},"modified":"2026-03-01T17:00:59","modified_gmt":"2026-03-01T09:00:59","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-p24-25%e5%85%a8%e7%90%83%e5%ae%9a%e4%bd%8d%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%bb%84%e6%88%90%e5%8f%8a%e4%bf%a1%e5%8f%b7%e7%bb%93","status":"publish","type":"post","link":"https:\/\/hpu.gv.uy\/?p=74","title":{"rendered":"GPS\u6d4b\u91cf\u539f\u7406\u53ca\u5176\u5e94\u7528 p24 25\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u7684\u7ec4\u6210\u53ca\u4fe1\u53f7\u7ed3\u6784\uff08\u4e5d\uff09"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u76ee\u5f55<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#1-\u5f00\u666e\u52d2\u8f68\u9053\u53c2\u6570\u7406\u60f3\u8f68\u9053\u516d\u8981\u7d20\">1. \u5f00\u666e\u52d2\u8f68\u9053\u53c2\u6570\uff08\u7406\u60f3\u8f68\u9053\u516d\u8981\u7d20\uff09<\/a><\/li>\n\n\n\n<li><a href=\"#2-\u6444\u52a8\u529b\u7684\u5f71\u54cd\u4e0e\u8f68\u9053\u53c2\u6570\u7684\u53d8\u5316\">2. \u6444\u52a8\u529b\u7684\u5f71\u54cd\u4e0e\u8f68\u9053\u53c2\u6570\u7684\u53d8\u5316<\/a><\/li>\n\n\n\n<li><a href=\"#3-gps\u5e7f\u64ad\u661f\u5386\u53c2\u6570\u8be6\u89e3\">3. GPS\u5e7f\u64ad\u661f\u5386\u53c2\u6570\u8be6\u89e3<\/a><\/li>\n\n\n\n<li><a href=\"#4-\u5386\u4e66almanac\u53ca\u5176\u5e94\u7528\">4. \u5386\u4e66\uff08Almanac\uff09\u53ca\u5176\u5e94\u7528<\/a><\/li>\n\n\n\n<li><a href=\"#5-\u536b\u661f\u5065\u5eb7\u72b6\u51b5\u4e0e\u65f6\u95f4\u7cfb\u7edf\">5. \u536b\u661f\u5065\u5eb7\u72b6\u51b5\u4e0e\u65f6\u95f4\u7cfb\u7edf<\/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. \u5f00\u666e\u52d2\u8f68\u9053\u53c2\u6570\uff08\u7406\u60f3\u8f68\u9053\u516d\u8981\u7d20\uff09 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p24?t=0\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 00:00<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7406\u60f3\u60c5\u51b5\u4e0b\uff08\u4ec5\u8003\u8651\u5730\u7403\u8d28\u70b9\u5f15\u529b\uff0c\u65e0\u6444\u52a8\u529b\uff09\uff0c\u536b\u661f\u7684\u8f68\u9053\u662f\u4e00\u4e2a\u56fa\u5b9a\u7684\u692d\u5706\uff0c\u53ef\u4ee5\u901a\u8fc76\u4e2a\u8f68\u9053\u6839\u6570\uff08Keplerian Elements\uff09\u6765\u63cf\u8ff0\u3002\u8fd96\u4e2a\u53c2\u6570\u786e\u5b9a\u4e86\u8f68\u9053\u5728\u7a7a\u95f4\u7684\u4f4d\u7f6e\u3001\u5f62\u72b6\u5927\u5c0f\u4ee5\u53ca\u536b\u661f\u5728\u8f68\u9053\u4e0a\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 \u786e\u5b9a\u8f68\u9053\u5e73\u9762\u5728\u7a7a\u95f4\u4f4d\u7f6e\u7684\u53c2\u6570\uff082\u4e2a\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[00:56]<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5347\u4ea4\u70b9\u8d64\u7ecf (Right Ascension of the Ascending Node, \\Omega \/ RAAN)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u536b\u661f\u4ece\u5730\u7403\u8d64\u9053\u5e73\u9762\u7684\u5357\u4fa7\u7a7f\u8fc7\u8d64\u9053\u5e73\u9762\u5230\u5317\u4fa7\u7684\u4ea4\u70b9\u79f0\u4e3a<strong>\u5347\u4ea4\u70b9 (Ascending Node)<\/strong>\u3002\u4ece\u5929\u7403\u5750\u6807\u7cfb\u7684X\u8f74\uff08\u6307\u5411\u6625\u5206\u70b9\uff09\u5f00\u59cb\uff0c\u9006\u65f6\u9488\u6d4b\u91cf\u5230\u5730\u5fc3\u4e0e\u5347\u4ea4\u70b9\u8fde\u7ebf\u7684\u5939\u89d2\u3002<\/li>\n\n\n\n<li><strong>\u8303\u56f4<\/strong>\uff1a0^\\circ &#8211; 360^\\circ\u3002<\/li>\n\n\n\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u786e\u5b9a\u8f68\u9053\u5e73\u9762\u5728\u8d64\u9053\u5e73\u9762\u4e0a\u7684\u65cb\u8f6c\u89d2\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[01:26]<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8f68\u9053\u503e\u89d2 (Inclination, i)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u536b\u661f\u8f68\u9053\u5e73\u9762\u4e0e\u5730\u7403\u8d64\u9053\u5e73\u9762\u4e4b\u95f4\u7684\u5939\u89d2\u3002<\/li>\n\n\n\n<li><strong>\u8303\u56f4<\/strong>\uff1a0^\\circ &#8211; 180^\\circ\u3002<\/li>\n\n\n\n<li><strong>\u5b9a\u4e49\u65b9\u5411<\/strong>\uff1a\u5730\u7403\u81ea\u8f6c\u65b9\u5411\u4e0e\u536b\u661f\u8f68\u9053\u8fd0\u52a8\u65b9\u5411\u4e4b\u95f4\u7684\u5939\u89d2\u3002<\/li>\n\n\n\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u786e\u5b9a\u8f68\u9053\u5e73\u9762\u76f8\u5bf9\u4e8e\u8d64\u9053\u7684\u503e\u659c\u7a0b\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u6ce8<\/strong>\uff1a\u786e\u5b9a\u4e86 \\Omega \u548c i\uff0c\u8f68\u9053\u5e73\u9762\u5728\u7a7a\u95f4\u4e2d\u7684\u65b9\u4f4d\u5c31\u56fa\u5b9a\u4e86\uff08\u7c7b\u4f3c\u4e8e\u786e\u5b9a\u4e86\u684c\u9762\u7684\u671d\u5411\u548c\u503e\u659c\u5ea6\uff09\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 \u786e\u5b9a\u8f68\u9053\u5f62\u72b6\u548c\u5927\u5c0f\u7684\u53c2\u6570\uff082\u4e2a\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[05:50]<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u957f\u534a\u8f74 (Semi-major axis, a)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u63cf\u8ff0\u692d\u5706\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u504f\u5fc3\u7387 (Eccentricity, e)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u63cf\u8ff0\u692d\u5706\u7684\u5f62\u72b6\uff08\u662f\u5706\u8fd8\u662f\u6241\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1.3 \u786e\u5b9a\u692d\u5706\u5728\u5e73\u9762\u5185\u65b9\u5411\u7684\u53c2\u6570\uff081\u4e2a\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[06:52]<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fd1\u5730\u70b9\u5e45\u89d2 (Argument of Perigee, \\omega)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u5728\u8f68\u9053\u5e73\u9762\u4e0a\uff0c\u4ece\u5347\u4ea4\u70b9\u65b9\u5411\u5f00\u59cb\uff0c\u5ea6\u91cf\u5230\u8fd1\u5730\u70b9\uff08Perigee\uff0c\u79bb\u5730\u5fc3\u6700\u8fd1\u7684\u70b9\uff09\u65b9\u5411\u7684\u89d2\u5ea6\u3002<\/li>\n\n\n\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u786e\u5b9a\u692d\u5706\u957f\u8f74\u5728\u8f68\u9053\u5e73\u9762\u5185\u7684\u6307\u5411\uff08\u5373\u692d\u5706\u5728\u684c\u9762\u4e0a\u662f\u5982\u4f55\u6446\u653e\u7684\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1.4 \u786e\u5b9a\u536b\u661f\u5728\u8f68\u9053\u4e0a\u4f4d\u7f6e\u7684\u53c2\u6570\uff081\u4e2a\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[08:47]<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u771f\u8fd1\u70b9\u89d2 (True Anomaly, f \u6216 v)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49<\/strong>\uff1a\u4ece\u5730\u5fc3\u5230\u8fd1\u5730\u70b9\u7684\u65b9\u5411\u5f00\u59cb\uff0c\u6d4b\u91cf\u5230\u5730\u5fc3\u5230\u536b\u661f\u8fde\u7ebf\u7684\u89d2\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u66ff\u4ee3\u8868\u793a\u6cd5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4e5f\u53ef\u4ee5\u4f7f\u7528 <strong>\u536b\u661f\u8fc7\u8fd1\u5730\u70b9\u7684\u65f6\u523b (t_p)<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u504f\u8fd1\u70b9\u89d2 (Eccentric Anomaly, E)<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u5e73\u8fd1\u70b9\u89d2 (Mean Anomaly, M)<\/strong>\u3002\u901a\u5e38\u5e7f\u64ad\u661f\u5386\u4e2d\u4f7f\u7528\u5e73\u8fd1\u70b9\u89d2 M\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. \u6444\u52a8\u529b\u7684\u5f71\u54cd\u4e0e\u8f68\u9053\u53c2\u6570\u7684\u53d8\u5316 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p24?t=631\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 10:31<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[11:21]<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7406\u60f3\u72b6\u6001<\/strong>\uff1a\u5982\u679c\u53ea\u53d7\u5730\u7403\u4e2d\u5fc3\u5f15\u529b\uff0c\u8f68\u9053\u662f\u56fa\u5b9a\u7684\uff0c6\u4e2a\u6839\u6570\uff08\u9664\u4e86\u968f\u65f6\u95f4\u53d8\u5316\u7684\u89d2\u5ea6\u53c2\u6570\uff09\u90fd\u662f\u5e38\u6570\u3002<\/li>\n\n\n\n<li><strong>\u771f\u5b9e\u72b6\u6001<\/strong>\uff1a\u7531\u4e8e<strong>\u6444\u52a8\u529b (Perturbing Forces)<\/strong> \u7684\u5b58\u5728\uff08\u5982\u5730\u7403\u975e\u7403\u5f62\u5f15\u529b\u3001\u65e5\u6708\u5f15\u529b\u3001\u592a\u9633\u5149\u538b\u7b49\uff09\uff0c\u8f68\u9053\u6839\u6570\u4e0d\u518d\u662f\u5e38\u6570\uff0c\u800c\u662f\u968f\u65f6\u95f4\u53d8\u5316\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li><strong>\u5904\u7406\u65b9\u6cd5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5c06\u8f68\u9053\u6839\u6570\u89c6\u4e3a\u5728\u7279\u5b9a\u53c2\u8003\u65f6\u523b t_{oe} \u7684\u77ac\u65f6\u503c\u3002<\/li>\n\n\n\n<li>\u7ed9\u51fa\u8fd9\u4e9b\u53c2\u6570\u5728\u53c2\u8003\u65f6\u523b\u7684\u503c\uff0c\u4ee5\u53ca\u5b83\u4eec\u968f\u65f6\u95f4\u7684\u53d8\u5316\u7387\uff08Rate of Change\uff09\u3002<\/li>\n\n\n\n<li>\u7528\u6237\u6839\u636e\u53c2\u8003\u65f6\u523b\u7684\u53c2\u6570\u548c\u53d8\u5316\u7387\uff0c\u8ba1\u7b97\u51fa\u89c2\u6d4b\u65f6\u523b t \u7684\u77ac\u65f6\u8f68\u9053\u6839\u6570\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. GPS\u5e7f\u64ad\u661f\u5386\u53c2\u6570\u8be6\u89e3 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p24?t=780\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 13:00<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPS\u5bfc\u822a\u7535\u6587\uff08Navigation Message\uff09\u4e2d\u7684\u6570\u636e\u57572\uff08Data Block 2\uff09\u63d0\u4f9b\u4e86\u9ad8\u7cbe\u5ea6\u7684\u8f68\u9053\u53c2\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u536b\u661f\u7684\u7cbe\u786e\u4f4d\u7f6e\u3002\u4e3a\u4e86\u8ba1\u7b97\u65b9\u4fbf\u548c\u538b\u7f29\u6570\u636e\uff0c\u5e7f\u64ad\u661f\u5386\u7684\u53c2\u6570\u4e0e\u7ecf\u5178\u5f00\u666e\u52d2\u6839\u6570\u7565\u6709\u4e0d\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5173\u952e\u53c2\u6570\u5217\u8868<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[13:16]<\/em><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53c2\u8003\u65f6\u523b (t_{oe})<\/strong>\uff1a\u661f\u5386\u53c2\u8003\u65f6\u523b (Time of Ephemeris)\u3002<\/li>\n\n\n\n<li><strong>M_0 (Mean Anomaly at Reference Time)<\/strong>\uff1a\u53c2\u8003\u65f6\u523b\u7684\u5e73\u8fd1\u70b9\u89d2\u3002\u5b83\u4e0e\u771f\u8fd1\u70b9\u89d2\u53ef\u4ee5\u901a\u8fc7\u516c\u5f0f\u76f8\u4e92\u8f6c\u6362\u3002<\/li>\n\n\n\n<li><strong>\\Delta n (Mean Motion Difference)<\/strong>\uff1a\u5e73\u5747\u89d2\u901f\u5ea6\u7684\u6539\u6b63\u9879\u3002\n<ul class=\"wp-block-list\">\n<li>\u536b\u661f\u8fd0\u52a8\u6709\u5e73\u5747\u89d2\u901f\u5ea6\uff0c\u53d7\u6444\u52a8\u529b\u5f71\u54cd\u4f1a\u53d8\u5316\uff0c\\Delta n \u63cf\u8ff0\u8fd9\u79cd\u53d8\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>e (Eccentricity)<\/strong>\uff1a\u8f68\u9053\u504f\u5fc3\u7387\u3002<\/li>\n\n\n\n<li><strong>\\sqrt{A} (Square Root of Semi-Major Axis)<\/strong>\uff1a\u957f\u534a\u8f74\u7684\u5e73\u65b9\u6839\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u56e0<\/strong>\uff1a\u5f00\u666e\u52d2\u7b2c\u4e09\u5b9a\u5f8b\u8ba1\u7b97\u4e2d\u9700\u8981\u7528\u5230 a^{3\/2}\uff0c\u76f4\u63a5\u7ed9\u51fa \\sqrt{A} \u53ef\u4ee5\u51cf\u5c11\u63a5\u6536\u673a\u7684\u8fd0\u7b97\u91cf\uff08\u907f\u514d\u5f00\u65b9\u8fd0\u7b97\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\\Omega_0 (Longitude of Ascending Node of Orbit Plane at Weekly Epoch)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u8fd9\u91cc\u7ed9\u51fa\u7684\u4e0d\u662f\u53c2\u8003\u65f6\u523b t_{oe} \u7684\u5347\u4ea4\u70b9\u8d64\u7ecf\uff0c\u800c\u662f<strong>\u672c\u5468\u5f00\u59cb\u65f6\u523b<\/strong>\u536b\u661f\u5347\u4ea4\u70b9\u76f8\u5bf9\u4e8e\u683c\u6797\u5c3c\u6cbb\u5b50\u5348\u7ebf\u7684\u7ecf\u5ea6\u3002<\/li>\n\n\n\n<li>\u8fd9\u662f\u4e00\u4e2a\u7279\u5b9a\u7684\u5b9a\u4e49\uff0c\u4e3a\u4e86\u8ba1\u7b97\u65b9\u4fbf\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>i_0 (Inclination at Reference Time)<\/strong>\uff1a\u53c2\u8003\u65f6\u523b\u7684\u8f68\u9053\u503e\u89d2\u3002<\/li>\n\n\n\n<li><strong>\\omega (Argument of Perigee)<\/strong>\uff1a\u8fd1\u5730\u70b9\u5e45\u89d2\u3002<\/li>\n\n\n\n<li><strong>\\dot{\\Omega} (Rate of Right Ascension)<\/strong>\uff1a\u5347\u4ea4\u70b9\u8d64\u7ecf\u968f\u65f6\u95f4\u7684\u53d8\u5316\u7387\u3002<\/li>\n\n\n\n<li><strong>\\dot{i} (Rate of Inclination)<\/strong>\uff1a\u8f68\u9053\u503e\u89d2\u968f\u65f6\u95f4\u7684\u53d8\u5316\u7387\uff08\u901a\u5e38\u53d8\u5316\u8f83\u6162\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6444\u52a8\u6539\u6b63\u9879 (C_{uc}, C_{us}, C_{rc}, C_{rs}, C_{ic}, C_{is})<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7528\u4e8e\u5bf9\u5347\u4ea4\u70b9\u89d2\u8ddd\u3001\u5730\u5fc3\u8ddd\u79bb\u3001\u8f68\u9053\u503e\u89d2\u8fdb\u884c\u4e8c\u500d\u9891\u4f59\u5f26\u548c\u6b63\u5f26\u6539\u6b63\u3002\u8fd9\u4e9b\u53c2\u6570\u7efc\u5408\u4fee\u6b63\u4e86\u8f68\u9053\u53d7\u6444\u52a8\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u603b\u7ed3<\/strong>\uff1a\u5e7f\u64ad\u661f\u5386 = \u53c2\u8003\u65f6\u523b\u7684\u5f00\u666e\u52d2\u6839\u6570 + \u957f\u671f\u9879\u7684\u53d8\u5316\u7387 + \u5468\u671f\u9879\u7684\u6539\u6b63\u7cfb\u6570\u3002\u8fd9\u4e9b\u53c2\u6570\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u63a8\u7b97\u51fa\u4e24\u5c0f\u65f6\u6709\u6548\u671f\u5185\u4efb\u610f\u65f6\u523b\u7684\u536b\u661f\u4f4d\u7f6e\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u5386\u4e66\uff08Almanac\uff09\u53ca\u5176\u5e94\u7528 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p24?t=1146\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 19:06<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPS\u5bfc\u822a\u7535\u6587\u7684\u7b2c4\u548c\u7b2c5\u5b50\u5e27\uff08\u6570\u636e\u57573\uff09\u5305\u542b\u4e86\u5386\u4e66\u6570\u636e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 \u5386\u4e66\u7684\u7279\u70b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5185\u5bb9<\/strong>\uff1a\u5305\u542b\u661f\u5ea7\u4e2d<strong>\u6240\u6709\u536b\u661f<\/strong>\u7684\u6982\u7565\u8f68\u9053\u53c2\u6570\u3001\u65f6\u949f\u6539\u6b63\u6570\u3001\u536b\u661f\u5065\u5eb7\u72b6\u51b5\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u7cbe\u5ea6<\/strong>\uff1a\u7cbe\u5ea6\u8f83\u4f4e\uff0c\u4e0d\u5982\u661f\u5386\u7cbe\u786e\u3002<\/li>\n\n\n\n<li><strong>\u66f4\u65b0\u9891\u7387<\/strong>\uff1a\u5faa\u73af\u53d1\u9001\uff0c\u5927\u7ea612.5\u5206\u949f\u53d1\u9001\u5b8c\u6240\u6709\u536b\u661f\u7684\u5386\u4e66\u3002<\/li>\n\n\n\n<li><strong>\u683c\u5f0f<\/strong>\uff1a\u53c2\u6570\u4f4d\u6570\u8f83\u5c11\uff0c\u662f\u4e00\u79cd\u7b80\u5316\u7684\u8f68\u9053\u63cf\u8ff0\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 \u5386\u4e66\u7684\u4e3b\u8981\u7528\u9014<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[21:09]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. \u5236\u5b9a\u89c2\u6d4b\u8ba1\u5212 (Mission Planning)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u80cc\u666f<\/strong>\uff1a\u5728GPS\u65e9\u671f\uff0c\u536b\u661f\u6570\u91cf\u5c11\uff08\u5982\u53ea\u67094-6\u9897\uff09\uff0c\u67d0\u4e9b\u65f6\u6bb5\u536b\u661f\u51e0\u4f55\u5206\u5e03\uff08PDOP\uff09\u5f88\u5dee\uff0c\u65e0\u6cd5\u5b9a\u4f4d\u6216\u7cbe\u5ea6\u6781\u4f4e\u3002<\/li>\n\n\n\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5229\u7528\u5386\u4e66\u53ef\u4ee5\u9884\u5148\u8ba1\u7b97\u51fa\u5728\u7279\u5b9a\u5730\u70b9\u3001\u7279\u5b9a\u65f6\u95f4\u6bb5\u5185\u53ef\u89c1\u7684\u536b\u661f\u6570\u91cf\u53ca\u5176\u51e0\u4f55\u5206\u5e03\u56fe\uff08Skyplot\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5e94\u7528<\/strong>\uff1a\u6d4b\u91cf\u4eba\u5458\u53ef\u4ee5\u9009\u62e9\u536b\u661f\u5206\u5e03\u597d\u7684\u65f6\u6bb5\uff08&#8221;\u7a97\u53e3\u671f&#8221;\uff09\u8fdb\u884c\u91ce\u5916\u4f5c\u4e1a\uff0c\u907f\u5f00\u7cbe\u5ea6\u5dee\u7684\u65f6\u6bb5\u3002\n<ul class=\"wp-block-list\">\n<li><em>\u6ce8\uff1a\u73b0\u5728\u536b\u661f\u6570\u91cf\u4f17\u591a\uff0c\u968f\u65f6\u90fd\u80fd\u89c2\u6d4b\uff0c\u6b64\u529f\u80fd\u91cd\u8981\u6027\u76f8\u5bf9\u964d\u4f4e\uff0c\u4f46\u5728\u9ad8\u906e\u6321\u73af\u5883\u4e0b\u4ecd\u6709\u7528\u3002<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[24:00]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. \u8f85\u52a9\u5feb\u901f\u6355\u83b7\u4fe1\u53f7 (Fast Signal Acquisition)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u51b7\u542f\u52a8 (Cold Start)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u60c5\u51b5<\/strong>\uff1a\u63a5\u6536\u673a\u6ca1\u6709\u4efb\u4f55\u5148\u9a8c\u4fe1\u606f\uff08\u65e0\u5386\u4e66\u3001\u65e0\u65f6\u95f4\u3001\u65e0\u6982\u7565\u4f4d\u7f6e\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8fc7\u7a0b<\/strong>\uff1a\u5fc5\u987b\u76f2\u641c\u6240\u670932\u9897\u536b\u661f\u7684\u4f2a\u7801\uff08PRN\uff09\uff0c\u5e76\u5728\u5f88\u5927\u7684\u591a\u666e\u52d2\u9891\u79fb\u8303\u56f4\u5185\u641c\u7d22\u9891\u7387\u3002<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u8017\u65f6\u5f88\u957f\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6e29\/\u70ed\u542f\u52a8 (Warm\/Hot Start)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u60c5\u51b5<\/strong>\uff1a\u63a5\u6536\u673a\u62e5\u6709\u6709\u6548\u7684\u5386\u4e66\u3001\u6982\u7565\u65f6\u95f4\u548c\u4f4d\u7f6e\u3002<\/li>\n\n\n\n<li><strong>\u8fc7\u7a0b<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li>\u6839\u636e\u5386\u4e66\u63a8\u7b97\u5f53\u524d\u65f6\u523b\u54ea\u4e9b\u536b\u661f\u53ef\u89c1\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u536b\u661f\u76f8\u5bf9\u4e8e\u63a5\u6536\u673a\u7684\u591a\u666e\u52d2\u9891\u79fb\uff08Doppler Shift\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7ed3\u679c<\/strong>\uff1a\u63a5\u6536\u673a\u53ea\u9700\u641c\u7d22\u53ef\u89c1\u7684\u51e0\u9897\u536b\u661f\uff0c\u4e14\u9891\u7387\u641c\u7d22\u8303\u56f4\u5927\u5927\u7f29\u5c0f\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\u6781\u5927\u7f29\u77ed\u9996\u6b21\u5b9a\u4f4d\u65f6\u95f4\uff08TTFF\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\">5. \u536b\u661f\u5065\u5eb7\u72b6\u51b5\u4e0e\u65f6\u95f4\u7cfb\u7edf <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p24?t=1670\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 27:50<\/a>*<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 \u536b\u661f\u5065\u5eb7\u72b6\u51b5 (Satellite Health)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5386\u4e66\u548c\u661f\u5386\u4e2d\u90fd\u5305\u542b\u536b\u661f\u5065\u5eb7\u5b57\u3002<\/li>\n\n\n\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u6307\u793a\u536b\u661f\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002\u63a5\u6536\u673a\u6839\u636e\u6b64\u6807\u5fd7\u51b3\u5b9a\u662f\u5426\u5728\u5b9a\u4f4d\u89e3\u7b97\u4e2d\u4f7f\u7528\u8be5\u536b\u661f\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u6807\u8bb0\u4e3a\u4e0d\u5065\u5eb7\uff0c\u63a5\u6536\u673a\u5e94\u5254\u9664\u8be5\u536b\u661f\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 \u65f6\u95f4\u7cfb\u7edf\u5dee\u5f02 (GPS Time vs. UTC)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[28:27]<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6574\u79d2\u5dee\u5f02<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>UTC (\u534f\u8c03\u4e16\u754c\u65f6)<\/strong>\uff1a\u4e3a\u4e86\u4fdd\u6301\u4e0e\u5730\u7403\u81ea\u8f6c\u540c\u6b65\uff0c\u4f1a\u4e0d\u5b9a\u671f\u52a0\u5165\u201c\u95f0\u79d2\u201d\u3002<\/li>\n\n\n\n<li><strong>GPST (GPS\u65f6\u95f4)<\/strong>\uff1a\u662f\u4e00\u4e2a\u8fde\u7eed\u7684\u65f6\u95f4\u7cfb\u7edf\uff0c\u4e0d\u8fdb\u884c\u8df3\u79d2\u8c03\u6574\u3002<\/li>\n\n\n\n<li><strong>\u7ed3\u679c<\/strong>\uff1a\u4e24\u8005\u4e4b\u95f4\u5b58\u5728\u4e00\u4e2a\u6574\u6570\u79d2\u7684\u5dee\u503c\uff08Leap Seconds\uff09\u3002\u8fd9\u4e2a\u5dee\u503c\u5728\u5bfc\u822a\u7535\u6587\u4e2d\u4f1a\u5e7f\u64ad\u7ed9\u7528\u6237\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5fae\u5c0f\u5dee\u5f02 (\u7cfb\u7edf\u8bef\u5dee)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>GPST\u7531GPS\u4e3b\u63a7\u7ad9\u7ef4\u6301\uff0cUTC\u7531\u56fd\u9645\u6743\u5ea6\u5c40\u7b49\u673a\u6784\u7ef4\u6301\u3002\u4e24\u8005\u9664\u6574\u79d2\u5916\uff0c\u8fd8\u5b58\u5728\u5fae\u5c0f\u7684\u949f\u5dee\u3002<\/li>\n\n\n\n<li><strong>\u4fee\u6b63<\/strong>\uff1a\u5bfc\u822a\u7535\u6587\u63d0\u4f9b\u4e86\u4e00\u7ec4\u591a\u9879\u5f0f\u7cfb\u6570\uff08A_0, A_1\uff09\uff0c\u7528\u4e8e\u63cf\u8ff0GPS\u65f6\u95f4\u4e0eUTC\u65f6\u95f4\u7684\u5fae\u5c0f\u504f\u5dee\uff0c\u5141\u8bb8\u7528\u6237\u5c06\u9ad8\u7cbe\u5ea6\u7684GPS\u65f6\u95f4\u8f6c\u6362\u4e3aUTC\u65f6\u95f4\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\">AI \u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8282\u8bfe\u7a0b\u6df1\u5165\u8bb2\u89e3\u4e86GPS\u536b\u661f\u8f68\u9053\u7684\u63cf\u8ff0\u65b9\u6cd5\u53ca\u4fe1\u53f7\u7ed3\u6784\u4e2d\u7684\u5173\u952e\u6570\u636e\u3002\u9996\u5148\u4ecb\u7ecd\u4e86\u7406\u60f3\u72b6\u6001\u4e0b\u7684<strong>\u5f00\u666e\u52d2\u516d\u4e2a\u8f68\u9053\u6839\u6570<\/strong>\uff08\u5347\u4ea4\u70b9\u8d64\u7ecf \\Omega\u3001\u8f68\u9053\u503e\u89d2 i\u3001\u957f\u534a\u8f74 a\u3001\u504f\u5fc3\u7387 e\u3001\u8fd1\u5730\u70b9\u5e45\u89d2 \\omega\u3001\u771f\u8fd1\u70b9\u89d2 f\uff09\uff0c\u8fd9\u516d\u4e2a\u53c2\u6570\u5206\u522b\u786e\u5b9a\u4e86\u8f68\u9053\u7684\u7a7a\u95f4\u4f4d\u7f6e\u3001\u5f62\u72b6\u5927\u5c0f\u53ca\u536b\u661f\u5728\u8f68\u9053\u4e0a\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u540e\uff0c\u8bfe\u7a0b\u6307\u51fa\u4e86\u73b0\u5b9e\u4e2d\u7531\u4e8e<strong>\u6444\u52a8\u529b<\/strong>\u7684\u5b58\u5728\uff0c\u8f68\u9053\u6839\u6570\u968f\u65f6\u95f4\u53d8\u5316\u3002GPS<strong>\u5e7f\u64ad\u661f\u5386<\/strong>\uff08Ephemeris\uff09\u901a\u8fc7\u63d0\u4f9b\u53c2\u8003\u65f6\u523b\u7684\u53c2\u6570\u53ca\u5176\u53d8\u5316\u7387\u548c\u6444\u52a8\u6539\u6b63\u9879\uff0c\u4f7f\u7528\u6237\u80fd\u8ba1\u7b97\u51fa\u9ad8\u7cbe\u5ea6\u7684\u77ac\u65f6\u536b\u661f\u4f4d\u7f6e\u3002\u6b64\u5916\uff0c\u8bfe\u7a0b\u533a\u5206\u4e86\u661f\u5386\u4e0e<strong>\u5386\u4e66<\/strong>\uff08Almanac\uff09\uff1a\u661f\u5386\u7cbe\u5ea6\u9ad8\u4f46\u6709\u6548\u671f\u77ed\uff0c\u7528\u4e8e\u5b9a\u4f4d\uff1b\u5386\u4e66\u7cbe\u5ea6\u4f4e\u4f46\u5305\u542b\u6240\u6709\u536b\u661f\u4fe1\u606f\uff0c\u4e3b\u8981\u7528\u4e8e<strong>\u89c2\u6d4b\u8ba1\u5212\u5236\u5b9a<\/strong>\u548c<strong>\u63a5\u6536\u673a\u5feb\u901f\u6355\u83b7\u4fe1\u53f7<\/strong>\uff08\u4ece\u51b7\u542f\u52a8\u8f6c\u4e3a\u6e29\u542f\u52a8\uff09\u3002\u6700\u540e\uff0c\u7b80\u8981\u4ecb\u7ecd\u4e86\u536b\u661f\u5065\u5eb7\u6807\u5fd7\u53ca<strong>GPS\u65f6\u95f4\u4e0eUTC\u65f6\u95f4<\/strong>\u7684\u5dee\u5f02\uff08\u6574\u79d2\u8df3\u53d8\u53ca\u5fae\u5c0f\u949f\u5dee\u4fee\u6b63\uff09\u3002\u8fd9\u4e00\u8bb2\u662f\u7406\u89e3GPS\u63a5\u6536\u673a\u5982\u4f55\u89e3\u7b97\u536b\u661f\u4f4d\u7f6e\u53ca\u8fdb\u884c\u4fe1\u53f7\u5904\u7406\u7684\u7406\u8bba\u57fa\u7840\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55 1. \u5f00\u666e\u52d2\u8f68\u9053\u53c2\u6570\uff08\u7406\u60f3\u8f68\u9053\u516d\u8981\u7d20\uff09 \u539f\u7247 @ 00:00* \u5728\u7406\u60f3\u60c5\u51b5\u4e0b\uff08\u4ec5\u8003\u8651\u5730\u7403\u8d28\u70b9\u5f15\u529b\uff0c\u65e0\u6444\u52a8 [&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-74","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\/74","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=74"}],"version-history":[{"count":1,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/posts\/74\/revisions"}],"predecessor-version":[{"id":75,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/posts\/74\/revisions\/75"}],"wp:attachment":[{"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}