{"id":89304,"date":"2024-03-05T17:39:15","date_gmt":"2024-03-05T09:39:15","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=89304"},"modified":"2024-03-05T17:39:27","modified_gmt":"2024-03-05T09:39:27","slug":"hbshssmyszmjs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/89304.html","title":{"rendered":"\u56de\u6ce2\u635f\u8017\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u600e\u4e48\u8ba1\u7b97\uff1f"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u56de\u6ce2\u635f\u8017<\/strong>\u662f\u6307\u5728\u5149\u5b66\u6216\u5c04\u9891\u9886\u57df\u4e2d\uff0c\u7531\u4e8e\u53cd\u5c04\u73b0\u8c61\u5bfc\u81f4\u7684\u4fe1\u53f7\u529f\u7387\u635f\u5931\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5b83\u662f\u8861\u91cf\u53cd\u5c04\u5149\u88ab\u8870\u51cf\u7684\u7a0b\u5ea6\uff0c\u53cd\u6620\u7684\u662f\u8fd4\u56de\u5149\u529f\u7387\u4e0e\u5165\u5c04\u5149\u529f\u7387\u76f8\u6bd4\u51cf\u5c0f\u7684\u7a0b\u5ea6\u3002\u56de\u6ce2\u635f\u8017\u901a\u5e38\u4ee5\u5206\u8d1d\u6570(dB)\u4e3a\u5355\u4f4d\u6765\u8868\u793a\u3002\u5728\u5149\u7ea4\u901a\u4fe1\u548c\u5c04\u9891\u7cfb\u7edf\u4e2d\uff0c\u56de\u6ce2\u635f\u8017\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u53c2\u6570\uff0c\u7528\u4e8e\u8bc4\u4f30\u4fe1\u53f7\u4f20\u8f93\u7684\u8d28\u91cf\u548c\u53cd\u5c04\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u56de\u6ce2\u635f\u8017\u7684\u8ba1\u7b97\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u57fa\u672c\u516c\u5f0f\u8fdb\u884c\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>[ RL = -20 \\times \\log(P\/P) ]<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5176\u4e2d\uff0c(P)\u662f\u5165\u5c04\u529f\u7387\uff0c(R)\u662f\u53cd\u5c04\u529f\u7387\uff0c(L)\u662f\u957f\u5ea6\u3002<\/strong>\u8fd9\u4e2a\u516c\u5f0f\u7684\u542b\u4e49\u662f\u5c06\u5165\u5c04\u529f\u7387\u9664\u4ee5\u53cd\u5c04\u529f\u7387\uff0c\u7136\u540e\u5bf9\u7ed3\u679c\u53d6\u5bf9\u6570\u3002\u56de\u6ce2\u635f\u8017\u7684\u5927\u5c0f\u53d6\u51b3\u4e8e\u8bbe\u5907\u7684\u53cd\u5c04\u80fd\u529b\uff0c\u53cd\u5c04\u80fd\u529b\u8d8a\u5f3a\uff0c\u56de\u6ce2\u635f\u8017\u8d8a\u5927\u3002\u4f8b\u5982\uff0c\u5728\u5c04\u9891\u548c\u7535\u4fe1\u9886\u57df\uff0c\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8bc4\u4f30\u529f\u7387\u53cd\u5c04\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0c\u56de\u6ce2\u635f\u8017\u7684\u6d4b\u91cf\u901a\u5e38\u6d89\u53ca\u5230\u7279\u5b9a\u7684\u8bbe\u5907\uff0c\u5982\u5149\u7ea4\u56de\u6ce2\u635f\u8017\u6d4b\u8bd5\u4eea\uff0c\u8fd9\u4e9b\u4eea\u5668\u80fd\u591f\u51c6\u786e\u5730\u6d4b\u91cf\u8fd9\u4e9b\u53c2\u6570\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e86\u89e3\u548c\u63a7\u5236\u56de\u6ce2\u635f\u8017\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u76f4\u63a5\u5f71\u54cd\u4fe1\u53f7\u7684\u4f20\u8f93\u8d28\u91cf\u548c\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56de\u6ce2\u635f\u8017\u5728\u4e0d\u540c\u7c7b\u578b\u7684\u5149\u7ea4\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u8868\u73b0\u548c\u5f71\u54cd\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u56de\u6ce2\u635f\u8017(RL)\u662f\u5149\u7ea4\u901a\u4fe1\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u6027\u80fd\u6307\u6807\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd\u5230\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u7387\u548c\u8d28\u91cf\u3002\u5728\u4e0d\u540c\u7c7b\u578b\u7684\u5149\u7ea4\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u56de\u6ce2\u635f\u8017\u7684\u8868\u73b0\u548c\u5f71\u54cd\u5404\u4e0d\u76f8\u540c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9996\u5148\uff0c\u5bf9\u4e8eUltra PC\u629b\u5149\u5149\u7ea4\u8fde\u63a5\u5668\uff0c\u5176\u56de\u6ce2\u635f\u8017\u5e94\u5927\u4e8e50dB\uff0c\u800c\u659c\u89d2\u629b\u5149\u7684\u56de\u6ce2\u635f\u8017\u901a\u5e38\u5927\u4e8e60dB\uff0cPC\u7c7b\u578b\u7684\u5e94\u5927\u4e8e40dB\u3002\u8fd9\u8868\u660e\u5728\u8fd9\u4e9b\u7cfb\u7edf\u4e2d\uff0c\u8f83\u9ad8\u7684\u56de\u6ce2\u635f\u8017\u503c\u6709\u52a9\u4e8e\u51cf\u5c11\u53cd\u5c04\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u529f\u7387\u4f20\u8f93\u7684\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8e\u591a\u6a21\u5149\u7ea4\uff0c\u5176\u5178\u578b\u7684RL\u503c\u4ecb\u4e8e20\u81f340dB\u4e4b\u95f4\u3002\u8fd9\u610f\u5473\u7740\u5728\u591a\u6a21\u5149\u7ea4\u7684\u5149\u7ea4\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u56de\u6ce2\u635f\u8017\u7684\u8981\u6c42\u76f8\u5bf9\u8f83\u4f4e\uff0c\u4f46\u4ecd\u7136\u9700\u8981\u4fdd\u6301\u5728\u4e00\u5b9a\u8303\u56f4\u5185\u4ee5\u4fdd\u8bc1\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u3000\u3000UPC\u63a5\u53e3\u5149\u7ea4\u7684\u56de\u6ce2\u635f\u8017\u76f8\u5bf9\u4e8ePC\u66f4\u5c0f\uff0c\u4e00\u822c\u5728-55dB\u751a\u81f3\u66f4\u9ad8\u3002\u8fd9\u79cd\u5dee\u5f02\u4e3b\u8981\u662f\u7531\u4e8eUPC\u8fde\u63a5\u5668\u4f7f\u7528\u65f6\u4f1a\u6709\u90e8\u5206\u53cd\u5c04\u5149\u53d1\u5c04\u56de\u5149\u6e90\u5904\uff0c\u800cAPC\u8fde\u63a5\u5668\u7684\u659c\u7aef\u9762\u8bbe\u8ba1\u53ef\u4ee5\u4f7f\u4e00\u90e8\u5206\u53cd\u5c04\u5149\u4ee5\u4e00\u5b9a\u89d2\u5ea6\u53cd\u5c04\u5230\u5305\u5c42\uff0c\u4ece\u800c\u51cf\u5c11\u66f4\u591a\u7684\u53cd\u5c04\u5149\u8fd4\u56de\u5230\u5149\u6e90\u5904\uff0c\u4ece\u800c\u51cf\u5c11\u56de\u6ce2\u635f\u8017\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u7c7b\u578b\u7684\u5149\u7ea4\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u56de\u6ce2\u635f\u8017\u8868\u73b0\u51fa\u4e0d\u540c\u7684\u7279\u6027\u548c\u5f71\u54cd\u3002\u5728Ultra PC\u629b\u5149\u548c\u659c\u89d2\u629b\u5149\u5149\u7ea4\u8fde\u63a5\u5668\u4e2d\uff0c\u8f83\u9ad8\u7684\u56de\u6ce2\u635f\u8017\u503c\u6709\u52a9\u4e8e\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u7387;UPC\u63a5\u53e3\u7684\u5149\u7ea4\u7531\u4e8e\u5176\u7279\u6b8a\u7684\u8fde\u63a5\u5668\u8bbe\u8ba1\uff0c\u80fd\u591f\u6709\u6548\u51cf\u5c11\u56de\u6ce2\u635f\u8017\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u7684\u8d28\u91cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u5982\u4f55\u51c6\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97\u56de\u6ce2\u635f\u8017\uff0c\u4ee5\u53ca\u5b58\u5728\u54ea\u4e9b\u5e38\u89c1\u8bef\u5dee?<\/h2>\n\n\n\n<p>\u3000\u3000\u51c6\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97\u56de\u6ce2\u635f\u8017\u9996\u5148\u9700\u8981\u4e86\u89e3\u56de\u6ce2\u635f\u8017\u7684\u5b9a\u4e49\u548c\u6d4b\u91cf\u6807\u51c6\u3002\u56de\u6ce2\u635f\u8017\u662f\u6307\u5728\u4fe1\u53f7\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u53cd\u5c04\u6216\u6563\u5c04\u800c\u635f\u5931\u7684\u80fd\u91cf\u3002\u5728\u6807\u51c6\u89c4\u5b9a\u4e2d\uff0cUTP\u975e\u5c4f\u853d\u7ebf\u7f06\u7684\u7279\u6027\u963b\u6297\u4e3a100\u03a9\uff0c5\u7c7b\u7ebf\u53ef\u4ee5\u6709\u00b115%\u7684\u8bef\u5dee\uff0c6\u7c7b\u7ebf\u53ef\u4ee5\u6709\u00b15%\u7684\u8bef\u5dee\u3002\u5982\u679c\u8d85\u51fa\u8bef\u5dee\u8303\u56f4\uff0c\u5219\u53ef\u80fd\u662f\u963b\u6297\u4e0d\u5339\u914d\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u51c6\u786e\u6d4b\u91cf\u56de\u6ce2\u635f\u8017\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u4f7f\u7528\u7f51\u7edc\u5206\u6790\u4eea\u6216\u5176\u4ed6\u626b\u9891\u6d4b\u8bd5\u8bbe\u5907\uff0c\u91c7\u7528\u9891\u57df\u6d4b\u91cf\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u963b\u6297\u548c\u56de\u6ce2\u635f\u8017\u6d4b\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4f7f\u7528\u63d2\u56de\u635f\u4eea\u8fdb\u884c\u6d4b\u91cf\uff0c\u901a\u8fc7\u5bf9\u6bd4\u8fde\u63a5\u524d\u540e\u7684\u5149\u529f\u7387\u53d8\u5316\u6765\u8ba1\u7b97\u56de\u635f\u503c\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5bf9\u4e8e\u4fe1\u53f7\u6e90\u6216\u53d1\u5c04\u673a\u7684\u56de\u6ce2\u635f\u8017\u6d4b\u8bd5\uff0c\u5e94\u6ce8\u610f\u7ebf\u7684\u6296\u52a8\u60c5\u51b5\uff0c\u5e76\u9009\u62e9\u6296\u52a8\u8f83\u5c0f\u7684\u7ebf\u7f06\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u7136\u800c\uff0c\u6d4b\u91cf\u548c\u8ba1\u7b97\u56de\u6ce2\u635f\u8017\u8fc7\u7a0b\u4e2d\u5b58\u5728\u7684\u5e38\u89c1\u8bef\u5dee\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u6d4b\u8bd5\u4eea\u5668\u7684\u8bef\u5dee\uff0c\u5982IEC 60512-27-100\u6807\u51c6\u534f\u8bae\u4e2d\u6307\u51fa\u7684\u8bef\u5dee\u8303\u56f4\uff0c\u8fd9\u4e2a\u8bef\u5dee\u8303\u56f4\u7684\u8ba1\u7b97\u539f\u5219\u662f\u5c06\u6821\u51c6\u540e\u7684\u6d4b\u8bd5\u4eea\u5668\u89c6\u4e3a\u4e00\u4e2a\u5b9a\u5411\u6865\u5668\u4ef6\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u65b9\u5411\u6027\u8bef\u5dee\uff0c\u65b9\u5411\u6027\u5728\u5c04\u9891\u529f\u7387\u3001\u9a7b\u6ce2\u6bd4\u548c\u56de\u6ce2\u635f\u8017\u6d4b\u91cf\u7cbe\u5ea6\u65b9\u9762\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\uff0c\u7531\u4e8e\u65b9\u5411\u6027\u4ea7\u751f\u7684\u8bef\u5dee\u53ef\u80fd\u4f1a\u4e25\u91cd\u5f71\u54cd\u6d4b\u8bd5\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u7535\u6865\u7684\u5b9a\u5411\u6027\u4e0d\u8db3\uff0c\u4e3a\u4e86\u4f7f\u8bef\u5dee\u4e0d\u81f3\u4e8e\u592a\u5927\uff0c\u8981\u6c42\u7535\u6865\u7684\u5b9a\u5411\u6027\u6bd4\u5f85\u6d4b\u7684\u6700\u5927\u56de\u6ce2\u635f\u8017\u81f3\u5c11\u59276dB\uff0c\u6700\u597d\u662f\u592720dB\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6574\u4f53\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5c5e\u4e8e\u4e00\u79cd\u6574\u4f53\u6d4b\u8bd5\uff0c\u6d4b\u91cf\u7684\u662f\u6574\u4e2a\u5668\u4ef6\u7684\u56de\u635f\u603b\u548c\uff0c\u65e0\u6cd5\u5206\u533a\u57df\u5355\u72ec\u6d4b\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u51c6\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97\u56de\u6ce2\u635f\u8017\u9700\u8981\u9075\u5faa\u76f8\u5173\u6807\u51c6\u548c\u65b9\u6cd5\uff0c\u540c\u65f6\u6ce8\u610f\u907f\u514d\u4e0a\u8ff0\u5e38\u89c1\u8bef\u5dee\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56de\u6ce2\u635f\u8017\u5bf9\u4fe1\u53f7\u4f20\u8f93\u8d28\u91cf\u7684\u5177\u4f53\u5f71\u54cd\u6709\u54ea\u4e9b\u5b9e\u4f8b?<\/h2>\n\n\n\n<p>\u3000\u3000\u56de\u6ce2\u635f\u8017\u5bf9\u4fe1\u53f7\u4f20\u8f93\u8d28\u91cf\u7684\u5177\u4f53\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u4fe1\u53f7\u5f3a\u5ea6\u548c\u5e7f\u64ad\u8303\u56f4\u7684\u964d\u4f4e\uff1a\u56de\u6ce2\u635f\u8017\u6bd4\u95ee\u9898\uff0c\u5373VSWR\u4e0e\u56de\u6ce2\u635f\u8017\u6bd4\uff0c\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u6cbf\u7740\u4f20\u8f93\u7ebf\u7684\u529f\u7387\u6709\u6548\u4f20\u8f93\u8fc5\u901f\u964d\u4f4e\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4fe1\u53f7\u7684\u5f3a\u5ea6\u548c\u5176\u8986\u76d6\u7684\u5e7f\u64ad\u8303\u56f4\u4f1a\u5927\u5927\u964d\u4f4e\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4fe1\u566a\u6bd4\u7684\u5f71\u54cd\uff1a\u4fe1\u53f7\u5728\u4f20\u8f93\u7ebf\u7684\u591a\u6b21\u53cd\u5c04\u4e0d\u4ec5\u5bfc\u81f4\u4fe1\u53f7\u529f\u7387\u7684\u8870\u51cf\uff0c\u8fd8\u4f1a\u5f71\u54cd\u63a5\u6536\u7aef\u7684\u4fe1\u566a\u6bd4\u3002\u56de\u6ce2\u635f\u8017\u7edd\u5bf9\u503c\u8d8a\u5927\u8d8a\u597d\uff0c\u8bf4\u660e\u4f20\u8f93\u7ebf\u963b\u6297\u5339\u914d\u505a\u5f97\u5f88\u597d\uff0c\u4fe1\u53f7\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u635f\u8017\u8f83\u5c0f\uff0c\u4ece\u800c\u6709\u5229\u4e8e\u63d0\u9ad8\u4fe1\u566a\u6bd4\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u963b\u6297\u5339\u914d\u7684\u91cd\u8981\u6027\uff1a\u56de\u6ce2\u635f\u8017\u662f\u8861\u91cf\u7f51\u7edc\u53d8\u538b\u5668\u7ed9\u6570\u636e\u4f20\u8f93\u7cfb\u7edf\u9020\u6210\u963b\u6297\u5931\u914d\u7a0b\u5ea6\u7684\u6307\u6807\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u56de\u6ce2\u635f\u8017\u4f1a\u975e\u5e38\u5c0f\uff0c\u56e0\u4e3a\u5b83\u53cd\u6620\u4e86\u4fe1\u53f7\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u53cd\u5c04\u60c5\u51b5\u3002\u5982\u679c\u56de\u6ce2\u635f\u8017\u8fc7\u5927\uff0c\u53ef\u80fd\u610f\u5473\u7740\u5b58\u5728\u963b\u6297\u5931\u914d\uff0c\u8fd9\u662f\u4fe1\u53f7\u4f20\u8f93\u7cfb\u7edf\u4e2d\u9700\u8981\u907f\u514d\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u9ad8\u901f\u9ad8\u9891PCB\u8bbe\u8ba1\u7684\u6539\u5584\uff1a\u5728\u9ad8\u901f\u9ad8\u9891PCB\u8bbe\u8ba1\u4e2d\uff0c\u53bb\u9664\u8fc7\u5b54\u6b8b\u6869\u53ef\u4ee5\u663e\u8457\u6539\u5584\u63d2\u5165\u635f\u8017\u548c\u56de\u6ce2\u635f\u8017\u3002\u4f8b\u5982\uff0c\u572814GHz\u5de6\u53f3\uff0c\u53bb\u6389\u6b8b\u6869\u540e\uff0c\u63d2\u5165\u635f\u8017\u76f8\u5dee\u7ea640dB\uff0c\u56de\u6ce2\u635f\u8017\u4e5f\u76f8\u5dee\u4e86\u7ea613dB\uff0c\u8fd9\u5bf9\u4e8e\u9ad8\u901f\u4fe1\u53f7\u7684\u8bbe\u8ba1\u5f71\u54cd\u975e\u5e38\u5927\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u56de\u6ce2\u635f\u8017\u5bf9\u4fe1\u53f7\u4f20\u8f93\u8d28\u91cf\u7684\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4fe1\u53f7\u5f3a\u5ea6\u3001\u5e7f\u64ad\u8303\u56f4\u3001\u4fe1\u566a\u6bd4\u4ee5\u53ca\u963b\u6297\u5339\u914d\u7b49\u65b9\u9762\u3002\u901a\u8fc7\u4f18\u5316\u8bbe\u8ba1\u548c\u5236\u9020\u5de5\u827a\uff0c\u9009\u62e9\u5408\u9002\u7684\u6750\u6599\u548c\u5143\u4ef6\u5e03\u5c40\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u56de\u6ce2\u635f\u8017\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u8d28\u91cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u5728\u5c04\u9891\u7cfb\u7edf\u4e2d\uff0c\u56de\u6ce2\u635f\u8017\u7684\u8ba1\u7b97\u65b9\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u5c04\u9891\u7cfb\u7edf\u4e2d\uff0c\u56de\u6ce2\u635f\u8017\u7684\u8ba1\u7b97\u65b9\u6cd5\u4e3b\u8981\u6d89\u53ca\u5230\u5bf9\u5c04\u9891\u7cfb\u7edf\u4e2d\u7684\u7535\u538b\u9a7b\u6ce2\u6bd4(VSWR)\u8fdb\u884c\u8bc4\u4f30\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u56de\u6ce2\u635f\u8017(RL)\u7684\u503c\u3002VSWR\u662f\u8861\u91cf\u5c04\u9891\u7535\u8def\u4e2d\u4fe1\u53f7\u4e0e\u7535\u6e90\u4e4b\u95f4\u5339\u914d\u7a0b\u5ea6\u548c\u6548\u7387\u7684\u91cd\u8981\u53c2\u6570\uff0c\u800cRL\u5219\u53cd\u6620\u4e86\u7531\u4e8e\u4e0d\u7406\u60f3\u5339\u914d\u5bfc\u81f4\u7684\u80fd\u91cf\u635f\u5931\u3002\u5177\u4f53\u7684\u8ba1\u7b97\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e13\u95e8\u7684\u5c04\u9891\u8ba1\u7b97\u5668\u6765\u5b8c\u6210\uff0c\u8fd9\u4e9b\u5de5\u5177\u80fd\u591f\u5e2e\u52a9\u5de5\u7a0b\u5e08\u548c\u6280\u672f\u4eba\u5458\u8bc4\u4f30\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u4fe1\u53f7\u8d28\u91cf\u3001\u963b\u6297\u5931\u914d\u548c\u4fe1\u53f7\u635f\u8017\u3002\u4f8b\u5982\uff0cSavvy Calculator\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5de5\u5177\uff0c\u901a\u8fc7\u5c06VSWR\u503c\u8f6c\u6362\u4e3aRL\u503c\uff0c\u6709\u52a9\u4e8eRF\u7cfb\u7edf\u7684\u8bbe\u8ba1\u548c\u4f18\u5316\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u65b9\u9762\uff0c\u56de\u6ce2\u635f\u8017\u6d4b\u91cf\u529f\u80fd\u5e38\u7528\u4e8e\u76d1\u63a7RF\u8d1f\u8f7d\u7684\u5e94\u7528\u4e2d\uff0c\u5982\u68c0\u67e5\u5929\u7ebf\u662f\u5426\u672a\u635f\u574f\u6216\u65ad\u5f00\u7b49\u3002\u6b64\u5916\uff0c\u5c04\u9891\u8870\u51cf\u5668\u7684\u5e94\u7528\u4e5f\u662f\u4e00\u4e2a\u5178\u578b\u6848\u4f8b\uff0c\u5f53\u4fe1\u53f7\u7ecf\u8fc7\u8870\u51cf\u5668\u65f6\uff0c\u653e\u7f6e\u5728\u653e\u5927\u5668\u524d\u7684\u56fa\u5b9a\u8870\u51cf\u5668\u5c06\u589e\u52a0\u8870\u51cf\u5668\u503c\u7684\u4e24\u500d\u7684\u56de\u6ce2\u635f\u8017\uff0c\u8fd9\u8868\u660e\u56de\u6ce2\u635f\u8017\u548c\u9a7b\u6ce2\u6bd4\u6210\u53cd\u6bd4\u3002\u8fd8\u6709\u4e00\u4e9b\u7279\u5b9a\u7684\u8bbe\u5907\uff0c\u5982\u5177\u6709\u53ccRMS\u68c0\u6d4b\u5668\u7684\u96c6\u6210\u53cc\u5411\u6865\u63a5\u5668\uff0c\u4e13\u95e8\u7528\u4e8eRF\u529f\u7387\u548c\u56de\u6ce2\u635f\u8017\u6d4b\u91cf\uff0c\u8fd9\u7c7b\u8bbe\u5907\u901a\u5e38\u7528\u4e8e\u6d4b\u8bd5RF\u8d1f\u8f7d\uff0c\u786e\u4fdd\u5929\u7ebf\u7684\u6b63\u5e38\u5de5\u4f5c\u72b6\u6001\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c04\u9891\u7cfb\u7edf\u4e2d\u7684\u56de\u6ce2\u635f\u8017\u8ba1\u7b97\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u4e13\u95e8\u7684\u8ba1\u7b97\u5668\u6216\u8f6f\u4ef6\u6765\u8bc4\u4f30VSWR\u81f3RL\u7684\u8f6c\u6362\uff0c\u4ee5\u53ca\u901a\u8fc7\u7279\u5b9a\u7684\u6d4b\u91cf\u8bbe\u5907\u6765\u76d1\u63a7\u548c\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\u3002\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u6db5\u76d6\u4e86\u4ece\u76d1\u63a7RF\u8d1f\u8f7d\u5230\u4f18\u5316\u7535\u8def\u8bbe\u8ba1\u7684\u591a\u4e2a\u65b9\u9762\uff0c\u5c55\u793a\u4e86\u56de\u6ce2\u635f\u8017\u5728\u5c04\u9891\u7cfb\u7edf\u8bbe\u8ba1\u4e2d\u7684\u91cd\u8981\u6027\u548c\u5e94\u7528\u4ef7\u503c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u5982\u4f55\u901a\u8fc7\u6280\u672f\u624b\u6bb5\u51cf\u5c11\u6216\u6d88\u9664\u56de\u6ce2\u635f\u8017\uff0c\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f18\u5316\u5c04\u9891\u8bbe\u8ba1<\/strong>\uff1a\u56de\u6ce2\u635f\u8017\u662f\u6307\u5728\u5c04\u9891\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u4fe1\u53f7\u7531\u4e8e\u6563\u5c04\u800c\u635f\u5931\u7684\u80fd\u91cf\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u4f18\u5316\u5c04\u9891\u8bbe\u8ba1\uff0c\u5982\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u7c7b\u578b\u3001\u8c03\u6574\u5929\u7ebf\u589e\u76ca\u548c\u65b9\u5411\u56fe\u7b49\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u56de\u6ce2\u635f\u8017\u3002\u8fd9\u662f\u56e0\u4e3a\u56de\u6ce2\u635f\u8017\u8d8a\u5c0f\uff0c\u4fe1\u53f7\u7684\u8d28\u91cf\u5c31\u8d8a\u597d\uff0c\u7cfb\u7edf\u7684\u6027\u80fd\u4e5f\u4f1a\u76f8\u5e94\u63d0\u9ad8\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6539\u5584\u7535\u7f06\u548c\u8fde\u63a5\u5668\u7684\u5339\u914d<\/strong>\uff1a\u4e0d\u5339\u914d\u662f\u5bfc\u81f4\u56de\u6ce2\u635f\u8017\u7684\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\u3002\u7279\u522b\u662f\u5728\u8fde\u63a5\u5668\u5904\uff0c\u4ee5\u53ca\u7535\u7f06\u4e2d\u7279\u6027\u963b\u6297\u53d1\u751f\u53d8\u5316\u7684\u5730\u65b9\uff0c\u5982\u679c\u4e0d\u8fdb\u884c\u9002\u5f53\u7684\u5339\u914d\uff0c\u5c06\u4f1a\u589e\u52a0\u56de\u6ce2\u635f\u8017\u3002\u56e0\u6b64\uff0c\u786e\u4fdd\u7535\u7f06\u548c\u8fde\u63a5\u5668\u4e4b\u95f4\u7684\u826f\u597d\u5339\u914d\u662f\u51cf\u5c11\u56de\u6ce2\u635f\u8017\u7684\u5173\u952e\u3002\u65bd\u5de5\u8d28\u91cf\u662f\u51cf\u5c11\u56de\u6ce2\u635f\u8017\u7684\u5173\u952e\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u91c7\u7528\u9ad8\u6548\u7684\u4fe1\u53f7\u5904\u7406\u6280\u672f<\/strong>\uff1a\u5728\u9ad8\u5e76\u53d1\u7cfb\u7edf\u4e2d\uff0c\u4e3a\u4e86\u51cf\u5c11\u6570\u636e\u5305\u7684\u5ef6\u8fdf\u548c\u63d0\u9ad8\u541e\u5410\u91cf\uff0c\u9700\u8981\u91c7\u7528\u9ad8\u6548\u7684\u4fe1\u53f7\u5904\u7406\u6280\u672f\u3002\u8fd9\u4e9b\u6280\u672f\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u7f16\u7801\u3001\u8c03\u5236\u548c\u89e3\u8c03\u7b49\uff0c\u5b83\u4eec\u80fd\u591f\u5728\u4fdd\u8bc1\u7cfb\u7edf\u6027\u80fd\u7684\u540c\u65f6\uff0c\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u56de\u6ce2\u635f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6027\u80fd\u4f18\u5316\u539f\u5219\u548c\u5ea6\u91cf\u6307\u6807\u7684\u5e94\u7528<\/strong>\uff1a\u5728\u7cfb\u7edf\u8bbe\u8ba1\u548c\u6027\u80fd\u4f18\u5316\u8fc7\u7a0b\u4e2d\uff0c\u5e94\u9075\u5faa\u6027\u80fd\u4f18\u5316\u539f\u5219\uff0c\u5e76\u4f7f\u7528\u6027\u80fd\u5ea6\u91cf\u6307\u6807\u6765\u76d1\u63a7\u548c\u8bc4\u4f30\u6027\u80fd\u3002\u8fd9\u6709\u52a9\u4e8e\u53ca\u65f6\u53d1\u73b0\u95ee\u9898\u5e76\u91c7\u53d6\u63aa\u65bd\u8fdb\u884c\u8c03\u6574\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002\u6027\u80fd\u4f18\u5316\u539f\u5219\u548c\u5ea6\u91cf\u6307\u6807\u7684\u5e94\u7528\u5bf9\u4e8e\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u4f18\u5316\u5c04\u9891\u8bbe\u8ba1\u3001\u6539\u5584\u7535\u7f06\u548c\u8fde\u63a5\u5668\u7684\u5339\u914d\u3001\u91c7\u7528\u9ad8\u6548\u7684\u4fe1\u53f7\u5904\u7406\u6280\u672f\u4ee5\u53ca\u9075\u5faa\u6027\u80fd\u4f18\u5316\u539f\u5219\u548c\u5ea6\u91cf\u6307\u6807\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u6216\u6d88\u9664\u56de\u6ce2\u635f\u8017\uff0c\u8fdb\u800c\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u56de\u6ce2\u635f\u8017\u662f\u6307\u5728\u5149\u5b66\u6216\u5c04\u9891\u9886\u57df\u4e2d\uff0c\u7531\u4e8e\u53cd\u5c04\u73b0\u8c61\u5bfc\u81f4\u7684\u4fe1\u53f7\u529f\u7387\u635f\u5931\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5b83\u662f\u8861\u91cf\u53cd\u5c04\u5149\u88ab\u8870\u51cf\u7684\u7a0b\u5ea6\uff0c\u53cd\u6620\u7684\u662f\u8fd4\u56de\u5149\u529f\u7387\u4e0e\u5165\u5c04\u5149\u529f\u7387\u76f8\u6bd4\u51cf\u5c0f\u7684\u7a0b\u5ea6\u3002<\/p>\n","protected":false},"author":1,"featured_media":64230,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[114],"class_list":["post-89304","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-plzs"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/89304"}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=89304"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/89304\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64230"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=89304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=89304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=89304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}