{"id":4357,"date":"2013-08-12T14:50:21","date_gmt":"2013-08-12T06:50:21","guid":{"rendered":"http:\/\/blog.sepc.ac.cn\/?p=4357"},"modified":"2013-08-12T14:50:21","modified_gmt":"2013-08-12T06:50:21","slug":"%e7%94%b5%e7%a6%bb%e5%b1%82%e6%89%b0%e5%8a%a8%e6%95%88%e5%ba%94%e7%9b%91%e6%b5%8b","status":"publish","type":"post","link":"http:\/\/blog.sepc.ac.cn\/?p=4357","title":{"rendered":"\u7535\u79bb\u5c42\u6270\u52a8\u6548\u5e94\u76d1\u6d4b"},"content":{"rendered":"<p><strong>\u3000\u3000<\/strong><span style=\"color: #808080\"><span style=\"font-size: 12px\"><strong> \u7535\u79bb\u5c42\u9664\u4e86\u89c4\u5f8b\u7684\u5468\u671f\u53d8\u5316\u4ee5\u5916\uff0c\u8fd8\u6709\u5404\u79cd\u539f\u56e0\u5bfc\u81f4\u7684\u6270\u52a8\u53d8\u5316\u3002\u8fd9\u4e9b\u6270\u52a8\u53d8\u5316\u6539\u53d8\u4e86\u7535\u79bb\u5c42\u7684\u6b63\u5e38\u5f62\u6001\uff0c\u7ed9\u7535\u6ce2\u4f20\u64ad\u5e26\u6765\u663e\u8457\u7684\u5f71\u54cd\uff0c\u4ea7\u751f\u5438\u6536\u3001\u6298\u5c04\u3001\u8272\u6563\u7b49\u5404\u79cd\u6548\u5e94\uff0c\u4f7f\u5f97\u7535\u6ce2\u7684\u9891\u7387\u3001\u76f8\u4f4d\u7b49\u53c2\u6570\u53d1\u751f\u6539\u53d8\u3002\u4e3a\u4fdd\u8bc1\u77ed\u6ce2\u901a\u4fe1\u3001\u536b\u661f\u901a\u4fe1\u7b49\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\uff0c\u5bf9\u7535\u79bb\u5c42\u8fdb\u884c\u4e13\u95e8\u7684\u6270\u52a8\u6548\u5e94\u89c2\u6d4b\u6210\u4e3a\u5fc5\u9700\u3002\u7531\u5bf9\u7535\u79bb\u5c42\u7535\u6ce2\u4f20\u64ad\u6548\u5e94\u7684\u76f4\u63a5\u76d1\u6d4b\uff0c\u76f4\u89c2\u5feb\u901f\u5730\u7ed9\u51fa\u6270\u52a8\u7684\u5f71\u54cd\u7a0b\u5ea6\u3002\u7535\u79bb\u5c42\u6270\u52a8\u6548\u5e94\u76d1\u6d4b\u7684\u624b\u6bb5\u591a\u79cd\u591a\u6837\uff0c\u4e0b\u9762\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u76d1\u6d4b\u624b\u6bb5\u3002<\/strong><\/span><\/span><\/p>\n<h3><span style=\"color: #0000ff\"><strong>\u7535\u79bb\u5c42\u5438\u6536\u6d4b\u91cf<\/strong><\/span><\/h3>\n<h3><\/h3>\n<p><strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u7535\u79bb\u5c42\u5bf9\u7535\u6ce2\u4f1a\u6709\u5438\u6536\u73b0\u8c61\uff0c\u4e3b\u8981\u53d1\u751f\u5728\u4f4e\u7535\u79bb\u5c42D\u533a\uff0860-100km\uff09\u3002\u7531\u4e8eD\u533a\u7535\u5b50\u5bc6\u5ea6\u8f83\u4f4e\uff0c\u4e2d\u6027\u5206\u5b50\u7684\u6570\u5bc6\u5ea6\u5f88\u5927\uff0c\u5f53\u7535\u6ce2\u7a7f\u8fc7D\u533a\u65f6\uff0c\u7535\u5b50\u901a\u8fc7\u78b0\u649e\u628a\u80fd\u91cf\u8f6c\u79fb\u7ed9\u4e86\u4e2d\u6027\u5206\u5b50\uff0c\u4ece\u800c\u4f7f\u7535\u6ce2\u80fd\u91cf\u635f\u5931\u4e8e\u4ecb\u8d28\u4e2d\uff0c\u8fd9\u5c31\u662f\u7535\u6ce2\u7684\u5438\u6536\u73b0\u8c61\u3002\u7535\u6ce2\u5438\u6536\u73b0\u8c61\u5728\u65e0\u7ebf\u7535\u901a\u4fe1\u7279\u522b\u662f\u5728\u4e2d\u77ed\u6ce2\u6bb5\uff08300kHz-30MHz\uff09\u6709\u6781\u5176\u91cd\u8981\u7684\u610f\u4e49\u3002\u8003\u8651\u5230\u5728D\u533a\u4e2d\u7684\u5438\u6536\u968f\u9891\u7387\u7684\u51cf\u5c0f\u800c\u589e\u52a0\uff0c\u77ed\u6ce2\u901a\u4fe1\u603b\u662f\u4f7f\u7528\u5c3d\u53ef\u80fd\u9ad8\u7684\u9891\u7387\uff0c\u5373\u9760\u8fd1MUF\u7684\u9891\u7387\u3002<br \/>\n<strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u5b87\u5b99\u566a\u58f0\u5438\u6536\u6cd5\u662f\u4e00\u79cd\u5e38\u7528\u7684\u7535\u6ce2\u5438\u6536\u6548\u5e94\u7684\u6d4b\u91cf\u65b9\u6cd5\u3002\u5b83\u662f\u901a\u8fc7\u6d4b\u91cf\u4ece\u6df1\u7a7a\u5230\u5730\u9762\u7684\u65e0\u7ebf\u7535\u566a\u58f0\u5f3a\u5ea6\u6765\u76d1\u6d4b\u7535\u79bb\u5c42\u5438\u6536\u7684\u72b6\u51b5\u3002\u6211\u56fd\u7684\u5357\u6781\u4e2d\u5c71\u7ad9\u8bbe\u7acb\u4e86\u6210\u50cf\u5f0f\u5b87\u5b99\u566a\u58f0\u63a5\u6536\u673a\uff08\u53c8\u79f0\u7535\u79bb\u5c42\u76f8\u5bf9\u6d51\u6d4a\u4eea\uff09\u6765\u8fdb\u884c\u6781\u533a\u7684\u7535\u79bb\u5c42\u5438\u6536\u6d4b\u91cf\u3002<br \/>\n<div id=\"attachment_4361\" style=\"width: 233px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic11.png\"><img aria-describedby=\"caption-attachment-4361\" loading=\"lazy\" src=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic11.png\" alt=\"\" width=\"223\" height=\"168\" class=\"size-full wp-image-4361\" \/><\/a><p id=\"caption-attachment-4361\" class=\"wp-caption-text\">\u56fe1 \u5357\u6781\u4e2d\u5c71\u7ad9\u6210\u50cf\u5f0f\u5b87\u5b99\u566a\u58f0\u63a5\u6536\u673a \u8bb0\u5f55\u7535\u79bb\u5c42\u5bf9\u5b87\u5b99\u566a\u58f0\u7684\u4e8c\u7ef4\u5438\u6536\u53d8\u5316<\/p><\/div><\/p>\n<h3 style=\"text-align: center\"><!--more--><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><span style=\"color: #0000ff\"><\/span><\/h3>\n<h3><\/h3>\n<p><strong>\u3000\u3000<\/strong>\u4e00\u4e9b\u6765\u81ea\u5916\u5c42\u7a7a\u95f4\u7684\u5929\u7136\u5c04\u7535\u6e90\u7684\u8f90\u5c04\u5f3a\u5ea6\u76f8\u5f53\u7a33\u5b9a\uff0c\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u5e38\u6570\uff0c\u4f8b\u5982\u5341\u51e0\u5230\u51e0\u5341MHz\u8303\u56f4\u5185\u7684\u5b87\u5b99\u65e0\u7ebf\u7535\u566a\u58f0\u3002\u5730\u9762\u4e00\u56fa\u5b9a\u63a5\u6536\u7cfb\u7edf\u6536\u5230\u7684\u566a\u58f0\u529f\u7387\u5e94\u53ea\u662f\u6052\u661f\u65f6\u7684\u51fd\u6570\u3002\u67d0\u4e00\u65f6\u523b\u7684\u5b87\u5b99\u566a\u58f0\u5438\u6536\u5f3a\u5ea6\u53ef\u7528\u7535\u79bb\u5c42\u5438\u6536\u6781\u5c0f\u60c5\u51b5\u4e0b\u540c\u4e00\u6052\u661f\u65f6\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u5f3a\u5ea6\u4e0e\u6b64\u65f6\u523b\u6536\u5230\u7684\u4fe1\u53f7\u5f3a\u5ea6\u4e4b\u6bd4\u7ed9\u51fa\u3002<br \/>\n<strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u5728\u7535\u79bb\u5c42\u53d1\u751f\u5267\u70c8\u6270\u52a8\u65f6\uff0c\u7535\u79bb\u5c42\u5438\u6536\u6548\u5e94\u7684\u53d8\u5316\u662f\u975e\u5e38\u663e\u8457\u7684\u3002\u4f8b\u5982\uff0c\u592a\u9633\u8d28\u5b50\u4e8b\u4ef6\u671f\u95f4\uff0c\u6781\u76d6\u5730\u533a\u7684\u7535\u79bb\u5c42\u5438\u6536\u5927\u5927\u589e\u52a0\uff0c\u77ed\u6ce2\u5728D\u533a\u4f1a\u88ab\u5b8c\u5168\u5438\u6536\uff0c\u4ece\u800c\u65e0\u6cd5\u5b9e\u73b0\u901a\u4fe1\uff0c\u800c\u5b87\u5b99\u566a\u58f0\u5438\u6536\u5f3a\u5ea6\u8868\u73b0\u4e3a\u53cd\u5e38\u5730\u7a81\u7136\u589e\u5927\u3002<br \/>\n<div id=\"attachment_4374\" style=\"width: 233px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic21.png\"><img aria-describedby=\"caption-attachment-4374\" loading=\"lazy\" src=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic21.png\" alt=\"\" width=\"223\" height=\"760\" class=\"size-full wp-image-4374\" \/><\/a><p id=\"caption-attachment-4374\" class=\"wp-caption-text\">\u56fe2 2003\u5e74\u4e2d\u5c71\u7ad9\u89c2\u6d4b\u5230\u7684\u592a\u9633\u8d28\u5b50\u4e8b\u4ef6\u671f\u95f4\u7684\u6781\u76d6\u5438\u6536\u6548\u5e94<\/p><\/div><\/p>\n<h3><span style=\"color: #0000ff\"><strong>\u9ad8\u9891\u591a\u666e\u52d2\u9891\u79fb\u76d1\u6d4b <\/strong><\/span><\/h3>\n<h3><\/h3>\n<p><strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong> \u6b63\u5982\u58f0\u6e90\u7684\u8fd0\u52a8\u4f1a\u5f15\u8d77\u58f0\u97f3\u7684\u591a\u666e\u52d2\u6548\u5e94\uff0c\u7535\u79bb\u5c42\u7684\u8fd0\u52a8\u53d8\u5316\u540c\u6837\u4f1a\u5f15\u8d77\u7535\u6ce2\u4fe1\u53f7\u7684\u9891\u7387\u4ea7\u751f\u504f\u79fb\uff0c\u79f0\u4e3a\u591a\u666e\u52d2\u9891\u79fb\u3002\u591a\u666e\u52d2\u9891\u79fb\u7684\u5e45\u5ea6\u4e0e\u7535\u79bb\u5c42\u53cd\u5c04\u9762\u7684\u5782\u76f4\u8fd0\u52a8\u901f\u5ea6\u6210\u6b63\u6bd4\u3002<\/p>\n<h3><\/h3>\n<p><strong>\u3000\u3000<\/strong>\u9ad8\u9891\u591a\u666e\u52d2\u76d1\u6d4b\u5c31\u662f\u901a\u8fc7\u63a5\u6536\u9ad8\u9891\u4fe1\u53f7(3\uff5e30 MHz)\uff0c\u6d4b\u91cf\u5176\u591a\u666e\u52d2\u6548\u5e94\uff0c\u4ece\u800c\u76d1\u6d4b\u7535\u79bb\u5c42\u7684\u6270\u52a8\u53d8\u5316\u3002\u9ad8\u9891\u591a\u666e\u52d2\u89c2\u6d4b\u76f8\u5bf9\u7b80\u6613\uff0c\u53ea\u9700\u8981\u7a33\u5b9a\u4fe1\u53f7\u6e90\u548c\u9891\u79fb\u6d4b\u91cf\u7cbe\u5ea6\u8fbe\u52300.01Hz\u7684\u63a5\u6536\u673a\u3002\u867d\u7136\u5b83\u63a2\u6d4b\u9891\u7387\u8f83\u5c11\uff0c\u4f46\u5177\u6709\u63a2\u6d4b\u7075\u654f\u5ea6\u9ad8\u3001\u65f6\u95f4\u5ef6\u7eed\u6027\u597d\u548c\u7cfb\u7edf\u8d39\u7528\u4f4e\u5ec9\u7b49\u7a81\u51fa\u7279\u70b9\uff0c\u4ecd\u7136\u662f\u7535\u79bb\u5c42\u6270\u52a8\u53d8\u5316\u76d1\u6d4b\u7684\u7b80\u5355\u800c\u6709\u6548\u7684\u65b9\u6cd5\u3002<br \/>\n<div id=\"attachment_4383\" style=\"width: 260px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic31.png\"><img aria-describedby=\"caption-attachment-4383\" loading=\"lazy\" src=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic31.png\" alt=\"\" width=\"250\" height=\"430\" class=\"size-full wp-image-4383\" \/><\/a><p id=\"caption-attachment-4383\" class=\"wp-caption-text\">\u56fe3 \u8000\u6591\u7206\u53d1\u671f\u95f4\u53d1\u751f\u7684\u7a81\u7136\u9891\u7387\u504f\u79fb\u548c\u77ed\u6ce2\u901a\u4fe1\u4e2d\u65ad<\/p><\/div><br \/>\n<strong>\u3000\u3000<\/strong>\u9ad8\u9891\u591a\u666e\u52d2\u76d1\u6d4b\u53ef\u4ee5\u6355\u6349\u5230\u5404\u79cd\u7535\u79bb\u5c42\u6270\u52a8\u73b0\u8c61\u5f15\u8d77\u7684\u591a\u666e\u52d2\u9891\u79fb\u3002\u4f8b\u5982\u592a\u9633X\u5c04\u7ebf\u8000\u6591\u7206\u53d1\u4f1a\u9020\u6210\u77ed\u6ce2\u4fe1\u53f7\u4ea7\u751f\u7a81\u7136\u9891\u79fb\uff0c\u4e25\u91cd\u65f6\u751a\u81f3\u51fa\u73b0\u4e2d\u65ad\uff0c\u8fd9\u4e9b\u6548\u5e94\u5728\u89c2\u6d4b\u8bb0\u5f55\u4e0a\u4f1a\u6709\u6e05\u6670\u7684\u663e\u793a\u3002\u5927\u8303\u56f4\u7684\u4e2d\u6027\u5927\u6c14\u7684\u6ce2\u52a8\u4e5f\u4f1a\u9020\u6210\u4e0d\u540c\u5c3a\u5ea6\u7684\u7535\u79bb\u5c42\u6270\u52a8\uff0c\u8868\u73b0\u5728\u591a\u666e\u52d2\u9891\u79fb\u8bb0\u5f55\u4e0a\u5c31\u662f\u9891\u79fb\u7684\u6ce2\u52a8\u3002<\/p>\n<div id=\"attachment_4390\" style=\"width: 260px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic41.png\"><img aria-describedby=\"caption-attachment-4390\" loading=\"lazy\" src=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic41.png\" alt=\"\" width=\"250\" height=\"402\" class=\"size-full wp-image-4390\" \/><\/a><p id=\"caption-attachment-4390\" class=\"wp-caption-text\">\u56fe4  \u4e2d\u6027\u5927\u6c14\u6ce2\u52a8\u5f15\u8d77\u7684\u7535\u79bb\u5c42\u6270\u52a8<\/p><\/div>\n<h3><span style=\"color: #0000ff\"><strong>\u7535\u79bb\u5c42\u7a81\u7136\u9a9a\u6270\u76d1\u6d4b<\/strong><\/span><\/h3>\n<h3><\/h3>\n<p><strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u7535\u79bb\u5c42\u7a81\u7136\u9a9a\u6270\uff08SID\uff09\u662f\u7535\u79bb\u5c42\u5bf9\u592a\u9633\u8000\u6591\u7206\u53d1\u7684\u54cd\u5e94\u3002\u589e\u5f3a\u7684\u8fdc\u7d2b\u5916\u548cX\u5c04\u7ebf\u8f90\u5c04\u4f7f\u5f97\u5411\u65e5\u9762\u7684\u7535\u79bb\u5c42\u7535\u5b50\u6d53\u5ea6\u663e\u8457\u589e\u5927\uff0c\u6709\u65f6\u751a\u81f3\u53ef\u589e\u52a0\u4e00\u4e2a\u91cf\u7ea7\uff0c\u4ece\u800c\u5bfc\u81f4\u77ed\u6ce2\u5728D\u533a\u53d1\u751f\u4e25\u91cd\u5438\u6536\uff0c\u4fe1\u53f7\u8870\u51cf\uff0c\u53ef\u7528\u9891\u6bb5\u53d8\u7a84\uff0c\u751a\u81f3\u4f1a\u9020\u6210\u77ed\u6ce2\u901a\u4fe1\u5b8c\u5168\u4e2d\u65ad\uff0c\u9a9a\u6270\u53ef\u6301\u7eed\u51e0\u5341\u5206\u949f\u5230\u51e0\u4e2a\u5c0f\u65f6\u3002\u7535\u79bb\u5c42\u7a81\u7136\u9a9a\u6270\u7684\u76d1\u6d4b\u5bf9\u77ed\u6ce2\u901a\u4fe1\u548c\u751a\u4f4e\u9891\uff08VLF\uff09\u5bfc\u822a\u6709\u91cd\u8981\u4f5c\u7528\u3002<br \/>\n<strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u751a\u4f4e\u9891\u6ce2\u6bb5\u7684\u7535\u6ce2\u5728\u5730\u9762\u4e0e\u7535\u79bb\u5c42\u5e95\u90e8\u4e4b\u95f4\u8fdb\u884c\u53cd\u5c04\u4f20\u64ad\uff0c\u5bf9\u7535\u79bb\u5c42\u5e95\u90e8\u7684\u53d8\u5316\u975e\u5e38\u654f\u611f\uff0c\u5f53\u8000\u6591\u7206\u53d1\u65f6\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u53d1\u751f\u660e\u663e\u7684\u53d8\u5316\u3002\u56e0\u6b64\u53ef\u4ee5\u5229\u7528\u751a\u4f4e\u9891\u6ce2\u6bb5\u7684\u4fe1\u53f7\u5bf9SID\u8fdb\u884c\u76d1\u6d4b\uff0c\u7814\u5236\u51fa\u751a\u4f4e\u9891\u7535\u79bb\u5c42\u7a81\u7136\u9a9a\u6270\u76d1\u6d4b\u4eea\u3002SID\u53d1\u751f\u65f6\uff0cVLF\u6ce2\u7684\u4fe1\u53f7\u5f3a\u5ea6\u663e\u8457\u589e\u5927\u3002\u76d1\u6d4b\u4eea\u89c2\u6d4b\u66f2\u7ebf\u7684\u53d8\u5316\u4e0eX\u5c04\u7ebf\u6d41\u91cf\u7684\u53d8\u5316\u76f8\u7b26\u5408\u3002<br \/>\n<div id=\"attachment_4401\" style=\"width: 290px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic51.png\"><img aria-describedby=\"caption-attachment-4401\" loading=\"lazy\" src=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic51.png\" alt=\"\" width=\"280\" height=\"617\" class=\"size-full wp-image-4401\" \/><\/a><p id=\"caption-attachment-4401\" class=\"wp-caption-text\">\u56fe5  X\u5c04\u7ebf\u8000\u6591\u548c\u7535\u79bb\u5c42\u7a81\u7136\u9a9a\u6270\u76d1\u6d4b\u4eea\u7684\u89c2\u6d4b\u7ed3\u679c<\/p><\/div><\/p>\n<h3><span style=\"color: #0000ff\"><strong>\u7535\u79bb\u5c42\u95ea\u70c1\u76d1\u6d4b<\/strong><\/span><\/h3>\n<h3><\/h3>\n<p><strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u7535\u79bb\u5c42\u95ea\u70c1\u73b0\u8c61\u662f\u6307\u65e0\u7ebf\u7535\u4fe1\u53f7\u5728\u901a\u8fc7\u7535\u79bb\u5c42\u65f6\uff0c\u7531\u4e8e\u7535\u79bb\u5c42\u4e2d\u7b49\u79bb\u5b50\u4f53\u4e0d\u5747\u5300\u5206\u5e03\u7684\u533a\u57df\u53ca\u5176\u65f6\u7a7a\u53d8\u5316\u5f15\u8d77\u7684\u7535\u6ce2\u7684\u5e45\u5ea6\u3001\u76f8\u4f4d\u7684\u5feb\u901f\u65e0\u89c4\u5219\u53d8\u5316\u3002\u7535\u79bb\u5c42\u95ea\u70c1\u5f71\u54cd\u81eaVHF\/UHF\u4e00\u76f4\u5230S\u6ce2\u6bb5\uff0820MHz\uff5e10GHz\uff09\u3002\u8fd9\u4e9b\u9891\u6bb5\u7684\u7535\u6ce2\u5728\u7a7f\u8d8a\u7535\u79bb\u5c42\u65f6\uff0c\u90fd\u4f1a\u51fa\u73b0\u7a0b\u5ea6\u4e0d\u540c\u7684\u95ea\u70c1\u73b0\u8c61\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u9891\u7387\u8d8a\u9ad8\uff0c\u53d1\u751f\u95ea\u70c1\u7684\u6982\u7387\u8d8a\u4f4e\u3002\u95ea\u70c1\u73b0\u8c61\u5f80\u5f80\u53d1\u751f\u5728\u591c\u95f4\u3002\u4ece\u5730\u57df\u5206\u5e03\u770b\uff0c\u9ad8\u7eac\u5730\u533a\u548c\u8d64\u9053\u5f02\u5e38\u533a\u4e3a\u95ea\u70c1\u9ad8\u53d1\u533a\u3002<br \/>\n<div id=\"attachment_4404\" style=\"width: 260px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic71.png\"><img aria-describedby=\"caption-attachment-4404\" loading=\"lazy\" src=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic71.png\" alt=\"\" width=\"250\" height=\"325\" class=\"size-full wp-image-4404\" \/><\/a><p id=\"caption-attachment-4404\" class=\"wp-caption-text\">\u56fe6 L\u6ce2\u6bb5\u7535\u79bb\u5c42\u95ea\u70c1\u5206\u5e03\u7684\u7edf\u8ba1<\/p><\/div><br \/>\n<strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u7535\u79bb\u5c42\u95ea\u70c1\u73b0\u8c61\u4f1a\u5f15\u8d77\u4fe1\u53f7\u5f3a\u5ea6\u7684\u8870\u51cf\uff0c\u751a\u81f3\u4fe1\u53f7\u5931\u9501\uff0c\u4ece\u800c\u4e25\u91cd\u5e72\u6270\u6b63\u5e38\u7684\u536b\u661f\u901a\u4fe1\u3001\u5bfc\u822a\u548c\u5b9a\u4f4d\u3002\u8fd1\u5341\u5e74\u6765\uff0c\u968f\u7740\u536b\u661f\u901a\u4fe1\u7b49\u6280\u672f\u7684\u53d1\u5c55\uff0c\u7535\u79bb\u5c42\u95ea\u70c1\u7684\u76d1\u6d4b\u8d8a\u6765\u8d8a\u53d7\u91cd\u89c6\uff0c\u95ea\u70c1\u76d1\u6d4b\u7ad9\u70b9\u8fc5\u901f\u589e\u52a0\uff0c\u5e76\u5411\u5b9e\u65f6\u76d1\u6d4b\u53d1\u5c55\u3002<br \/>\n<strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u63a5\u6536\u53d7\u95ea\u70c1\u5f71\u54cd\u6ce2\u6bb5\u7684\u536b\u661f\u4fe1\u53f7\uff0c\u76d1\u6d4b\u5176\u5e45\u5ea6\u548c\u76f8\u4f4d\u7684\u53d8\u5316\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u7535\u79bb\u5c42\u95ea\u70c1\u7684\u76d1\u6d4b\u3002GPS\u7cfb\u7edf\u53d1\u5c55\u4ee5\u540e\uff0c\u7535\u79bb\u5c42\u95ea\u70c1\u7684\u76d1\u6d4b\u591a\u91c7\u7528GPS\u536b\u661f\u53d1\u5c04\u7684\u5bfc\u822a\u4fe1\u53f7\u3002GPS\u4fe1\u53f7\u5177\u6709\u76f8\u5bf9\u7a33\u5b9a\u7684\u5f3a\u5ea6\u3001\u76f8\u4f4d\uff0c\u4e14GPS\u536b\u661f\u661f\u5ea7\u4fdd\u8bc1\u4efb\u4e00\u89c2\u6d4b\u70b9\u53ef\u4ee5\u89c2\u6d4b\u5230\u591a\u9897\u536b\u661f\u3002\u5229\u7528\u53cc\u9891GPS\u63a5\u6536\u673a\uff0c\u63d0\u53d6GPS\u4fe1\u53f7\u5e45\u5ea6\u548c\u76f8\u4f4d\u7684\u53d8\u5316\u4fe1\u606f\uff0c\u5c31\u53ef\u4ee5\u6210\u4e3aGPS\u95ea\u70c1\u76d1\u6d4b\u4eea\uff0c\u7528\u4e8e\u89c2\u6d4b\u7535\u79bb\u5c42\u95ea\u70c1\u73b0\u8c61\u3002\u4e00\u822c\u95ea\u70c1\u76d1\u6d4b\u4eea\u9700\u8981\u5bf9GPS\u4fe1\u53f7\u7684\u76f8\u4f4d\u548c\u5e45\u5ea6\u8fdb\u884c\u9ad8\u91c7\u6837\u9891\u7387\u7684\u6d4b\u91cf\u3002<br \/>\n<strong>\u3000\u3000<\/strong><br \/>\n<strong>\u3000\u3000<\/strong>\u4e3a\u63cf\u8ff0\u7535\u79bb\u5c42\u95ea\u70c1\u7684\u4e25\u91cd\u7a0b\u5ea6\uff0c\u5f15\u5165\u4e86\u70c1\u6307\u6570\u7684\u6982\u5ff5\u3002\u9488\u5bf9\u4fe1\u53f7\u5e45\u5ea6\u548c\u76f8\u4f4d\u7684\u5feb\u901f\u53d8\u5316\uff0c\u6709\u4e24\u4e2a\u95ea\u70c1\u6307\u6570\u3002\u4e00\u4e2a\u662f\u5e45\u5ea6\u95ea\u70c1\u6307\u6570S4\uff0c\u4e00\u4e2a\u662f\u76f8\u4f4d\u95ea\u70c1\u6307\u6570\u03c3\u03c6\u3002\u95ea\u70c1\u6307\u6570\u8d8a\u5927\u8868\u660e\u95ea\u70c1\u8d8a\u5f3a\u3002<br \/>\n<div id=\"attachment_4409\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic6.png\"><img aria-describedby=\"caption-attachment-4409\" loading=\"lazy\" src=\"http:\/\/blog.sepc.ac.cn\/wp-content\/uploads\/2013\/08\/pic6.png\" alt=\"\" width=\"300\" height=\"450\" class=\"size-full wp-image-4409\" \/><\/a><p id=\"caption-attachment-4409\" class=\"wp-caption-text\">\u56fe6  \u7535\u79bb\u5c42\u95ea\u70c1\u6307\u6570\u7684\u53d8\u5316<\/p><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u3000 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\u7535\u79bb\u5c42\u5438\u6536\u6d4b\u91cf \u3000\u3000 \u3000\u3000\u7535\u79bb\u5c42\u5bf9\u7535\u6ce2\u4f1a\u6709\u5438\u6536\u73b0\u8c61\uff0c\u4e3b\u8981\u53d1\u751f\u5728\u4f4e\u7535\u79bb\u5c42D\u533a\uff0860-100km\uff09\u3002\u7531\u4e8eD\u533a\u7535\u5b50\u5bc6\u5ea6\u8f83\u4f4e\uff0c\u4e2d\u6027\u5206\u5b50\u7684\u6570\u5bc6\u5ea6\u5f88\u5927\uff0c\u5f53\u7535\u6ce2\u7a7f\u8fc7D\u533a\u65f6\uff0c\u7535\u5b50\u901a\u8fc7\u78b0\u649e\u628a\u80fd\u91cf\u8f6c\u79fb\u7ed9\u4e86\u4e2d\u6027\u5206\u5b50\uff0c\u4ece\u800c\u4f7f\u7535\u6ce2\u80fd\u91cf\u635f\u5931\u4e8e\u4ecb\u8d28\u4e2d\uff0c\u8fd9\u5c31\u662f\u7535\u6ce2\u7684\u5438\u6536\u73b0\u8c61\u3002\u7535\u6ce2\u5438\u6536\u73b0\u8c61\u5728\u65e0\u7ebf\u7535\u901a\u4fe1\u7279\u522b\u662f\u5728\u4e2d\u77ed\u6ce2\u6bb5\uff08300kHz-30MHz\uff09\u6709\u6781\u5176\u91cd\u8981\u7684\u610f\u4e49\u3002\u8003\u8651\u5230\u5728D\u533a\u4e2d\u7684\u5438\u6536\u968f\u9891\u7387\u7684\u51cf\u5c0f\u800c\u589e\u52a0\uff0c\u77ed\u6ce2\u901a\u4fe1\u603b\u662f\u4f7f\u7528\u5c3d\u53ef\u80fd\u9ad8\u7684\u9891\u7387\uff0c\u5373\u9760\u8fd1MUF\u7684\u9891\u7387\u3002 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