{"id":66,"date":"2026-03-01T16:28:03","date_gmt":"2026-03-01T08:28:03","guid":{"rendered":"https:\/\/hpu.gv.uy\/?p=66"},"modified":"2026-03-01T17:00:58","modified_gmt":"2026-03-01T09:00:58","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-p20-21%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=66","title":{"rendered":"GPS\u6d4b\u91cf\u539f\u7406\u53ca\u5176\u5e94\u7528 p20 21\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u7684\u7ec4\u6210\u53ca\u4fe1\u53f7\u7ed3\u6784\uff08\u4e94\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=\"#gps-\u6d4b\u8ddd\u57fa\u672c\u539f\u7406-content-0000\">GPS \u6d4b\u8ddd\u57fa\u672c\u539f\u7406<\/a><\/li>\n\n\n\n<li><a href=\"#\u4f2a\u968f\u673a\u7801prn\u4e0e\u76f8\u5173\u6d4b\u8ddd\u6cd5-content-0151\">\u4f2a\u968f\u673a\u7801\uff08PRN\uff09\u4e0e\u76f8\u5173\u6d4b\u8ddd\u6cd5<\/a><\/li>\n\n\n\n<li><a href=\"#m-\u5e8f\u5217\u7684\u4ea7\u751f\u4e0e\u7279\u6027-content-0415\">m \u5e8f\u5217\u7684\u4ea7\u751f\u4e0e\u7279\u6027<\/a><\/li>\n\n\n\n<li><a href=\"#ca-\u7801\u7c97\u7801\u6355\u83b7\u7801\u7684\u7ed3\u6784\u4e0e\u5e94\u7528-content-1221\">C\/A \u7801\uff08\u7c97\u7801\/\u6355\u83b7\u7801\uff09\u7684\u7ed3\u6784\u4e0e\u5e94\u7528<\/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\">GPS \u6d4b\u8ddd\u57fa\u672c\u539f\u7406 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p20?t=0\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 00:00<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[00:00]<\/em><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5907\u6ce8\uff1a\u8bb2\u5e08\u4ecb\u7ecd GPS \u6d4b\u8ddd\u7684\u57fa\u672c\u7269\u7406\u6a21\u578b\uff0c\u5373\u901a\u8fc7\u6d4b\u91cf\u4fe1\u53f7\u4f20\u64ad\u65f6\u95f4\u6765\u8ba1\u7b97\u8ddd\u79bb\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br>GPS \u6d4b\u91cf\uff08\u5373\u8ddd\u79bb\u6d4b\u91cf\uff09\u7684\u6838\u5fc3\u5728\u4e8e\u6d4b\u5b9a\u4fe1\u53f7\u4ece\u536b\u661f\u4f20\u64ad\u5230\u63a5\u6536\u673a\u6240\u82b1\u8d39\u7684\u65f6\u95f4\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u516c\u5f0f\u539f\u7406\uff1a\u8ddd\u79bb = \u4f20\u64ad\u65f6\u95f4 \\times \u5149\u901f\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e00\u8fc7\u7a0b\u5b9e\u9645\u4e0a\u662f\u201c\u65f6\u95f4\u6d4b\u91cf\u201d\u8f6c\u5316\u4e3a\u201c\u8ddd\u79bb\u6d4b\u91cf\u201d\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u6d4b\u91cf\u65b9\u5f0f\u5bf9\u6bd4<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8109\u51b2\u6d4b\u8ddd<\/strong>\uff08Pulse Ranging\uff09\uff1a\u53d1\u5c04\u4e00\u4e2a\u8109\u51b2\u4fe1\u53f7\uff0c\u8bb0\u5f55\u53d1\u5c04\u65f6\u523b t_1 \u548c\u63a5\u6536\u65f6\u523b t_2\uff0c\u5dee\u503c\u5373\u4e3a\u4f20\u64ad\u65f6\u95f4\u3002\u8fd9\u662f\u96f7\u8fbe\u7b49\u4f20\u7edf\u7cfb\u7edf\u5e38\u7528\u7684\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li><strong>\u8fde\u7eed\u6ce2\u6d4b\u8ddd<\/strong>\uff08GPS \u65b9\u6cd5\uff09\uff1aGPS \u4f7f\u7528\u7684\u662f\u8fde\u7eed\u4e0d\u65ad\u7684\u65e0\u7ebf\u7535\u4fe1\u53f7\uff08\u4e00\u5929 24 \u5c0f\u65f6\u53d1\u5c04\uff09\u3002\u4e3a\u4e86\u6807\u8bb0\u4fe1\u53f7\u7684\u201c\u53d1\u5c04\u65f6\u523b\u201d\uff0c\u9700\u8981\u5bf9\u4fe1\u53f7\u8fdb\u884c\u7279\u6b8a\u7684\u7f16\u7801\u8c03\u5236\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\">\u4f2a\u968f\u673a\u7801\uff08PRN\uff09\u4e0e\u76f8\u5173\u6d4b\u8ddd\u6cd5 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p20?t=111\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 01:51<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[02:05]<\/em><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5907\u6ce8\uff1a\u793a\u610f\u56fe\u5c55\u793a\u63a5\u6536\u673a\u751f\u6210\u590d\u5236\u7801\u5e76\u4e0e\u536b\u661f\u4fe1\u53f7\u8fdb\u884c\u6bd4\u5bf9\u7684\u8fc7\u7a0b\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e GPS \u4fe1\u53f7\u662f\u8fde\u7eed\u7684\u65e0\u7ebf\u7535\u6ce2\uff0c\u6d4b\u91cf\u4f20\u64ad\u65f6\u95f4\u91c7\u7528\u4e86 <strong>\u7801\u76f8\u5173\uff08Code Correlation\uff09<\/strong> \u6280\u672f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u6d4b\u8ddd\u7801\uff08Ranging Code\uff09\u7684\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u536b\u661f\u53d1\u9001\u7279\u5b9a\u7684\u6d4b\u8ddd\u7801\uff08\u5373\u4f2a\u968f\u673a\u7801\uff09\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u673a\u5185\u90e8\u4e5f\u4ea7\u751f\u4e00\u4e2a\u7ed3\u6784\u5b8c\u5168\u76f8\u540c\u7684\u6d4b\u8ddd\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u76f8\u5173\u5339\u914d\u8fc7\u7a0b<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a5\u6536\u673a\u5c06\u751f\u6210\u7684\u672c\u5730\u7801\u901a\u8fc7\u4e00\u4e2a <strong>\u5ef6\u65f6\u5668\uff08Delay Line\uff09<\/strong> \u8fdb\u884c\u65f6\u95f4\u5ef6\u8fdf\u3002<\/li>\n\n\n\n<li>\u521d\u59cb\u72b6\u6001\u4e0b\u5ef6\u8fdf\u91cf\u672a\u77e5\uff0c\u901a\u8fc7\u641c\u7d22\uff08\u4ece 2 \u4e07\u516c\u91cc\u5bf9\u5e94\u7684\u5ef6\u8fdf\u5f00\u59cb\u8bd5\u63a2\uff09\uff0c\u8c03\u6574\u672c\u5730\u7801\u7684\u5ef6\u8fdf\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><strong>\u5bf9\u9f50\u5224\u5b9a<\/strong>\uff1a\u5f53\u672c\u5730\u7801\u4e0e\u63a5\u6536\u5230\u7684\u536b\u661f\u4fe1\u53f7 <strong>\u76f8\u5173\u7cfb\u6570\uff08Correlation Coefficient\uff09<\/strong> \u8fbe\u5230\u6700\u5927\uff08\u7406\u60f3\u4e3a 1\uff09\u65f6\uff0c\u8bf4\u660e\u4e24\u4e2a\u7801\u5e8f\u5217\u5bf9\u9f50\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">3. <strong>\u8ba1\u7b97\u4f20\u64ad\u65f6\u95f4<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b64\u65f6\uff0c\u63a5\u6536\u673a\u65bd\u52a0\u7684 <strong>\u5ef6\u65f6\u91cf \\Delta t<\/strong> \u5c31\u7b49\u4e8e\u4fe1\u53f7\u5728\u7a7a\u4e2d\u7684 <strong>\u4f20\u64ad\u65f6\u95f4<\/strong>\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7\u6d4b\u5b9a\u8fd9\u4e2a\u5ef6\u65f6\u91cf\uff0c\u5373\u53ef\u95f4\u63a5\u6d4b\u51fa\u536b\u661f\u5230\u63a5\u6536\u673a\u7684\u8ddd\u79bb\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">4. <strong>\u5bf9\u4fe1\u53f7\u7279\u6027\u7684\u8981\u6c42<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8981\u6c42\u4fe1\u53f7\u5177\u6709\u826f\u597d\u7684 <strong>\u81ea\u76f8\u5173\u7279\u6027\uff08Auto-correlation property\uff09<\/strong>\u3002<\/li>\n\n\n\n<li>\u5373\uff1a\u5bf9\u9f50\u65f6\u76f8\u5173\u7cfb\u6570\u4e3a 1\uff1b\u4e00\u65e6\u9519\u5f00\u4e00\u70b9\u70b9\uff08\u672a\u5bf9\u9f50\uff09\uff0c\u76f8\u5173\u7cfb\u6570\u5e94\u8fc5\u901f\u4e0b\u964d\uff08\u5982\u964d\u81f3 0.7\u30010.5 \u6216\u66f4\u4f4e\uff09\uff0c\u4ee5\u4fbf\u7cfb\u7edf\u80fd\u7075\u654f\u5730\u5224\u65ad\u662f\u5426\u5bf9\u9f50\uff0c\u4ece\u800c\u63d0\u9ad8\u6d4b\u8ddd\u7cbe\u5ea6\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\">m \u5e8f\u5217\u7684\u4ea7\u751f\u4e0e\u7279\u6027 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p20?t=255\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 04:15<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[06:55]<\/em><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5907\u6ce8\uff1a\u5c55\u793a\u53cd\u9988\u79fb\u4f4d\u5bc4\u5b58\u5668\uff08LFSR\uff09\u7684\u7ed3\u6784\u56fe\u53ca\u72b6\u6001\u53d8\u5316\u8868\uff0c\u89e3\u91ca\u5168 1 \u521d\u59cb\u72b6\u6001\u6216\u5168 0 \u72b6\u6001\u7684\u5f71\u54cd\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u4ea7\u751f\u7b26\u5408\u8981\u6c42\u7684\u6d4b\u8ddd\u7801\uff0cGPS \u4f7f\u7528\u4e86\u53cd\u9988\u79fb\u4f4d\u5bc4\u5b58\u5668\u6765\u751f\u6210 <strong>m \u5e8f\u5217\uff08\u6700\u5927\u957f\u5ea6\u5e8f\u5217\uff09<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u4ea7\u751f\u88c5\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 <strong>\u7ebf\u6027\u53cd\u9988\u79fb\u4f4d\u5bc4\u5b58\u5668\uff08LFSR, Linear Feedback Shift Register\uff09<\/strong>\u3002<\/li>\n\n\n\n<li>\u8fd9\u662f\u4e00\u4e2a\u4ea7\u751f\u4f2a\u968f\u673a\u4e8c\u8fdb\u5236\u5e8f\u5217\u7684\u6700\u57fa\u672c\u88c5\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u5468\u671f\u4e0e\u72b6\u6001<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e8e n \u7ea7\u79fb\u4f4d\u5bc4\u5b58\u5668\uff0c\u7406\u8bba\u4e0a\u6700\u591a\u6709 2^n \u4e2a\u72b6\u6001\u3002<\/li>\n\n\n\n<li><strong>\u5168\u96f6\u72b6\u6001\u6392\u9664<\/strong>\uff1a\u5982\u679c\u6240\u6709\u5bc4\u5b58\u5668\u90fd\u4e3a 0\uff0c\u53cd\u9988\uff08\u901a\u5e38\u662f\u5f02\u6216\u8fd0\u7b97\uff09\u540e\u4ecd\u4e3a 0\uff0c\u5e8f\u5217\u5c06\u201c\u6b7b\u9501\u201d\u4e0d\u52a8\u3002\u56e0\u6b64\u5fc5\u987b\u6392\u9664\u5168 0 \u72b6\u6001\u3002<\/li>\n\n\n\n<li><strong>\u6700\u5927\u5468\u671f\u957f\u5ea6<\/strong>\uff1aN = 2^n &#8211; 1\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u53cd\u9988\u7ebf\u8def\u9009\u62e9\u4e0d\u5f53\uff0c\u751f\u6210\u7684\u5468\u671f\u4f1a\u77ed\u4e8e 2^n &#8211; 1\uff1b\u9009\u62e9\u5408\u9002\u7684\u53cd\u9988\u7ebf\u8def\u53ef\u751f\u6210\u6700\u5927\u957f\u5ea6\u5e8f\u5217\uff08m \u5e8f\u5217\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">3. <strong>\u53cd\u9988\u7279\u6027<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53cd\u9988\u901a\u5e38\u56de\u5230\u7b2c\u4e00\u7ea7\u5bc4\u5b58\u5668\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u53cd\u9988\u5230\u4e2d\u95f4\u7ea7\uff0c\u524d\u9762\u7684\u5bc4\u5b58\u5668\u5c06\u5931\u53bb\u65b0\u6570\u636e\u8f93\u5165\uff0c\u5bfc\u81f4\u72b6\u6001\u4e0d\u518d\u66f4\u65b0\uff0c\u65e0\u6cd5\u4ea7\u751f\u6709\u6548\u5e8f\u5217\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">4. <strong>\u521d\u59cb\u72b6\u6001\u4e0e\u5e73\u79fb<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521d\u59cb\u72b6\u6001\uff08Initial State\uff09\u51b3\u5b9a\u4e86\u5e8f\u5217\u5728\u5468\u671f\u4e2d\u7684 <strong>\u8d77\u59cb\u76f8\u4f4d<\/strong>\u3002<\/li>\n\n\n\n<li>\u6539\u53d8\u521d\u59cb\u72b6\u6001\uff08\u4f8b\u5982\u4e0d\u4ece\u5168 1 \u5f00\u59cb\uff0c\u800c\u662f\u4ece 0100 \u5f00\u59cb\uff09\uff0c\u76f8\u5f53\u4e8e\u5bf9\u8f93\u51fa\u5e8f\u5217\u8fdb\u884c\u4e86 <strong>\u65f6\u95f4\u5e73\u79fb\uff08Time Shift\uff09<\/strong>\u3002<\/li>\n\n\n\n<li>m \u5e8f\u5217\u5177\u6709 <strong>\u5e73\u79fb\u76f8\u52a0\u7279\u6027<\/strong>\uff1a\u5c06\u4e00\u4e2a m \u5e8f\u5217\u4e0e\u5176\u81ea\u8eab\u7684\u5ef6\u8fdf\u7248\u672c\u8fdb\u884c\u6a21 2 \u76f8\u52a0\uff08\u5f02\u6216\uff09\uff0c\u4ea7\u751f\u7684\u4ecd\u662f\u540c\u4e00\u4e2a m \u5e8f\u5217\uff0c\u53ea\u662f\u76f8\u4f4d\uff08\u8d77\u59cb\u70b9\uff09\u4e0d\u540c\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">5. <strong>\u622a\u77ed\u4e0e\u62fc\u63a5<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u4ee5\u901a\u8fc7\u91cd\u7f6e\u521d\u59cb\u72b6\u6001\u6765\u622a\u77ed\u5e8f\u5217\u957f\u5ea6\uff08\u4f8b\u5982\u53ea\u9700\u8981 10 \u4f4d\uff0c\u5230\u7b2c 11 \u4f4d\u65f6\u5f3a\u5236\u91cd\u7f6e\uff09\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e3a\u751f\u6210\u4e0d\u540c\u7ed3\u6784\u7684\u6d4b\u8ddd\u7801\uff08\u5982 GPS \u7684 C\/A \u7801\uff09\u63d0\u4f9b\u4e86\u57fa\u7840\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\">C\/A \u7801\uff08\u7c97\u7801\/\u6355\u83b7\u7801\uff09\u7684\u7ed3\u6784\u4e0e\u5e94\u7528 <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p20?t=741\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 12:21<\/a>*<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Screenshot-[13:34]<\/em><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5907\u6ce8\uff1a\u5bf9\u6bd4 P \u7801\u548c C\/A \u7801\u7684\u7801\u901f\u7387\u3001\u5468\u671f\u548c\u6ce2\u957f\uff08\u7801\u5bbd\uff09\uff0c\u89e3\u91ca C\/A \u7801\u4e3a\u4ec0\u4e48\u88ab\u79f0\u4e3a\u201c\u7c97\u7801\u201d\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">C\/A \u7801\uff08Coarse\/Acquisition Code\uff09\u662f GPS \u4e2d\u4e00\u79cd\u516c\u5f00\u7684\u6c11\u7528\u6d4b\u8ddd\u7801\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>\u57fa\u672c\u53c2\u6570<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7801\u901f\u7387<\/strong>\uff1a1.023 \\text{ MHz}\uff08\u5373 1.023 \\times 10^6 bit\/s\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5468\u671f<\/strong>\uff1a1 \\text{ ms}\uff08\u5343\u5206\u4e4b\u4e00\u79d2\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7801\u957f<\/strong>\uff1a1023 \u4e2a\u6bd4\u7279\uff08Chips\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7801\u5bbd\uff08\u6ce2\u957f\uff09<\/strong>\uff1a\u7ea6 293 \\text{ m}\u3002\n<ul class=\"wp-block-list\">\n<li>\u8ba1\u7b97\uff1a\u5149\u901f c \\approx 3 \\times 10^8 \\text{ m\/s} \u9664\u4ee5\u7801\u901f\u7387\uff0c\u6216 1 \\text{ ms} \u5185\u4f20\u64ad 300km \u5206\u914d\u7ed9 1023 \u4e2a\u7801\u5143\u3002<\/li>\n\n\n\n<li>\u76f8\u6bd4\u4e4b\u4e0b\uff0cP \u7801\uff08\u7cbe\u7801\uff09\u901f\u7387\u4e3a 10.23 \\text{ MHz}\uff0c\u7801\u5bbd\u7ea6 29.3 \u7c73\uff08\u662f C\/A \u7801\u7cbe\u5ea6\u7684 10 \u500d\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>\u6d4b\u8ddd\u7cbe\u5ea6<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f20\u7edf\u7cbe\u5ea6<\/strong>\uff1a\u901a\u5e38\u8ba4\u4e3a\u7801\u76f8\u5173\u6d4b\u91cf\u7684\u7cbe\u5ea6\u53ef\u8fbe\u7801\u5bbd\u7684 1\\%\u3002\n<ul class=\"wp-block-list\">\n<li>C\/A \u7801\uff1a293 \\text{ m} \\times 1\\% \\approx 2.93 \\text{ m}\uff08\u7ea6\u4e3a 3 \u7c73\uff09\u3002<\/li>\n\n\n\n<li>P \u7801\uff1a\u7cbe\u5ea6\u7ea6 0.3 \u7c73\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u73b0\u4ee3\u63a5\u6536\u673a\u4f18\u5316<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u901a\u8fc7\u8f7d\u6ce2\u76f8\u4f4d\u5e73\u6ed1\uff08Carrier Smoothing\uff09\u548c\u7a84\u76f8\u5173\u6280\u672f\uff0c\u73b0\u4ee3\u63a5\u6536\u673a\u5229\u7528 C\/A \u7801\u4e5f\u80fd\u8fbe\u5230\u5f88\u9ad8\u7684\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li>\u89c2\u6d4b\u503c\u5e73\u6ed1\uff1a\u63a5\u6536\u673a\u5185\u90e8\u53ef\u80fd\u6bcf\u79d2\u91c7\u6837 25 \u6b21\u6216 50 \u6b21\uff0c\u8f93\u51fa\u65f6\u5c06\u8fd9\u4e9b\u6570\u636e\u5e73\u6ed1\u5904\u7406\uff0c\u8f93\u51fa\u4e00\u4e2a\u201c\u865a\u62df\u89c2\u6d4b\u503c\u201d\u3002<\/li>\n\n\n\n<li>\u4f18\u5316\u540e\u7684 C\/A \u7801\u6d4b\u8ddd\u7cbe\u5ea6\u53ef\u8fbe <strong>10-15 cm<\/strong> \u751a\u81f3 <strong>5 cm<\/strong>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">3. <strong>C\/A \u7801\u7684\u529f\u80fd\uff1a\u6355\u83b7\uff08Acquisition\uff09<\/strong> <a href=\"https:\/\/www.bilibili.com\/video\/BV1ia4y1s7sj_p20?t=1090\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u7247 @ 18:10<\/a>*<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6613\u4e8e\u6355\u83b7<\/strong>\uff1a\u7531\u4e8e C\/A \u7801\u5468\u671f\u6781\u77ed\uff081 ms\uff0c\u4ec5 1023 \u4e2a\u7801\u5143\uff09\uff0c\u63a5\u6536\u673a\u53ef\u4ee5\u5728\u6781\u77ed\u65f6\u95f4\u5185\u904d\u5386\u6240\u6709\u53ef\u80fd\u7684\u76f8\u4f4d\u8fdb\u884c\u5339\u914d\u3002<\/li>\n\n\n\n<li><strong>\u8f85\u52a9 P \u7801\u6355\u83b7<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>P \u7801\u5468\u671f\u6781\u957f\uff08\u7ea6 7 \u5929\uff09\uff0c\u76f4\u63a5\u641c\u7d22\u6355\u83b7\u975e\u5e38\u56f0\u96be\uff08\u8017\u65f6\u592a\u4e45\uff09\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u673a\u5148\u6355\u83b7\u7b80\u5355\u7684 C\/A \u7801\uff0c\u89e3\u8c03\u51fa\u5bfc\u822a\u7535\u6587\u3002<\/li>\n\n\n\n<li>\u4ece\u7535\u6587\u4e2d\u8bfb\u53d6 <strong>\u4ea4\u63a5\u5b57\uff08HOW, Handover Word\uff09<\/strong>\uff0c\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u4fe1\u606f\uff0c\u4ece\u800c\u63a8\u7b97\u51fa P \u7801\u5f53\u524d\u7684\u76f8\u4f4d\u4f4d\u7f6e\uff0c\u5b9e\u73b0\u5feb\u901f\u6355\u83b7 P \u7801\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u56e0\u6b64\uff0cC\/A \u7801\u88ab\u79f0\u4e3a <strong>\u6355\u83b7\u7801\uff08Acquisition Code\uff09<\/strong> \u6216 <strong>\u7c97\u7801\uff08Coarse Code\uff09<\/strong>\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\">AI \u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8282\u89c6\u9891\u6df1\u5165\u8bb2\u89e3\u4e86 GPS \u7684\u57fa\u672c\u6d4b\u8ddd\u539f\u7406\u53ca\u4fe1\u53f7\u7ed3\u6784\u3002\u6838\u5fc3\u5185\u5bb9\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6d4b\u8ddd\u539f\u7406<\/strong>\uff1a\u5229\u7528\u63a5\u6536\u673a\u751f\u6210\u7684\u590d\u5236\u7801\u4e0e\u536b\u661f\u4fe1\u53f7\u8fdb\u884c <strong>\u76f8\u5173\u5339\u914d<\/strong>\uff0c\u901a\u8fc7\u6d4b\u5b9a\u4fe1\u53f7\u5bf9\u9f50\u6240\u9700\u7684 <strong>\u5ef6\u65f6\u91cf<\/strong> \u6765\u8ba1\u7b97\u4f20\u64ad\u65f6\u95f4\u53ca\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li><strong>m \u5e8f\u5217\u57fa\u7840<\/strong>\uff1a\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5229\u7528 <strong>\u53cd\u9988\u79fb\u4f4d\u5bc4\u5b58\u5668\uff08LFSR\uff09<\/strong> \u751f\u6210\u4f2a\u968f\u673a\u7801\uff08m \u5e8f\u5217\uff09\u7684\u6570\u5b66\u539f\u7406\uff0c\u5305\u62ec\u6700\u5927\u5468\u671f 2^n-1\u3001\u521d\u59cb\u72b6\u6001\u5bf9\u76f8\u4f4d\u7684\u5f71\u54cd\u4ee5\u53ca\u5e73\u79fb\u76f8\u52a0\u7279\u6027\u3002<\/li>\n\n\n\n<li><strong>C\/A \u7801\u7279\u6027<\/strong>\uff1aC\/A \u7801\u4f5c\u4e3a\u6c11\u7528\u7801\uff0c\u5177\u6709 <strong>1 ms \u77ed\u5468\u671f<\/strong> \u548c <strong>1.023 MHz \u7801\u7387<\/strong>\uff0c\u7801\u5143\u5bbd\u5ea6\u7ea6 <strong>293 \u7c73<\/strong>\u3002\u867d\u7136\u5176\u539f\u59cb\u6d4b\u8ddd\u7cbe\u5ea6\uff08\u7ea6 3 \u7c73\uff09\u4f4e\u4e8e P \u7801\uff0c\u4f46\u73b0\u4ee3\u6280\u672f\u53ef\u5c06\u5176\u4f18\u5316\u81f3 <strong>\u5398\u7c73\u7ea7<\/strong>\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0c\u5b83\u56e0\u5468\u671f\u77ed\u800c\u6613\u4e8e\u641c\u7d22\uff0c\u4e3b\u8981\u627f\u62c5 <strong>\u4fe1\u53f7\u6355\u83b7<\/strong> \u53ca\u8f85\u52a9 P \u7801\u63a5\u5165\u7684\u529f\u80fd\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55 GPS \u6d4b\u8ddd\u57fa\u672c\u539f\u7406 \u539f\u7247 @ 00:00* Screenshot-[00:00] \u5907\u6ce8\uff1a\u8bb2\u5e08\u4ecb\u7ecd GP [&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-66","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\/66","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=66"}],"version-history":[{"count":1,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/posts\/66\/revisions"}],"predecessor-version":[{"id":67,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=\/wp\/v2\/posts\/66\/revisions\/67"}],"wp:attachment":[{"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=66"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=66"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hpu.gv.uy\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=66"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}