{"id":2326,"date":"2025-09-02T08:07:09","date_gmt":"2025-09-02T08:07:09","guid":{"rendered":"https:\/\/sankorf.com\/?p=2326"},"modified":"2025-09-02T08:21:58","modified_gmt":"2025-09-02T08:21:58","slug":"guide-to-understanding-vector-network-analyzer-in-the-time-domain","status":"publish","type":"post","link":"https:\/\/sankorf.com\/cn\/blog\/guide-to-understanding-vector-network-analyzer-in-the-time-domain\/","title":{"rendered":"\u65f6\u57df\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u7406\u89e3\u6307\u5357"},"content":{"rendered":"<p>\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\u662f\u5c04\u9891\u4e0e\u5fae\u6ce2\u5de5\u7a0b\u4e2d\u7684\u57fa\u77f3\u6d4b\u91cf\u6280\u672f\uff0c\u5bf9\u4e8e\u8868\u5f81\u7535\u5b50\u5143\u4ef6\u548c\u7cfb\u7edf\u7684\u884c\u4e3a\u81f3\u5173\u91cd\u8981\u3002\u5c3d\u7ba1 VNA \u4f20\u7edf\u4e0a\u5728\u9891\u57df\u4e2d\u8fd0\u884c\uff0c\u57fa\u4e8e\u9891\u7387\u54cd\u5e94\u6765\u5206\u6790\u4fe1\u53f7\uff0c\u4f46\u5229\u7528 VNA \u7684\u65f6\u57df\u5206\u6790\u5df2\u6210\u4e3a\u5b9a\u4f4d\u5668\u4ef6\u548c\u7535\u7f06\u5185\u90e8\u6545\u969c\u53ca\u4e0d\u8fde\u7eed\u6027\u4e0d\u53ef\u6216\u7f3a\u7684\u624b\u6bb5\u3002\u672c\u6587\u63a2\u8ba8\u4e86\u65f6\u57df\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u7684\u539f\u7406\u3001\u5e94\u7528\u548c\u4f18\u52bf\uff0c\u5f3a\u8c03\u5176\u5982\u4f55\u5229\u7528\u6570\u5b66\u53d8\u6362\u6765\u63d0\u4f9b\u7cbe\u786e\u4e14\u4f4d\u7f6e\u7279\u5b9a\u7684\u6d1e\u5bdf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff1f<\/h2>\n\n\n\n<p>\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\u6d4b\u91cf\u590d\u6742\u7684 S \u53c2\u6570\u2014\u2014\u4fe1\u53f7\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u2014\u2014\u5728\u4e00\u7cfb\u5217\u9891\u7387\u8303\u56f4\u5185\u3002\u8fd9\u4e9b\u6d4b\u91cf\u4f7f\u5de5\u7a0b\u5e08\u80fd\u591f\u7406\u89e3\u88ab\u6d4b\u8bbe\u5907\uff08DUT\uff09\u5728\u6bcf\u4e2a\u9891\u7387\u70b9\u7684\u8868\u73b0\uff0c\u63ed\u793a\u5173\u4e8e\u53cd\u5c04\u3001\u4f20\u8f93\u548c\u963b\u6297\u7279\u6027\u7684\u5173\u952e\u7ec6\u8282\u3002VNA \u5e7f\u6cdb\u5e94\u7528\u4e8e\u65e0\u6e90\u548c\u6709\u6e90\u5668\u4ef6\u3001\u5929\u7ebf\u3001\u6ee4\u6ce2\u5668\u4ee5\u53ca\u7535\u7f06\u3002<\/p>\n\n\n\n<p>\u5982\u9700\u8fdb\u4e00\u6b65\u4e86\u89e3\uff0c\u8bf7\u53c2\u8003\u6211\u4eec\u7684 <a href=\"https:\/\/sankorf.com\/cn\/blog\/vector-network-analyzer-guide-to-rf-testing\/\">Vector Network Analyzer Guide To RF Testing<\/a>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ece\u9891\u57df\u8fc7\u6e21\u5230\u65f6\u57df<\/h2>\n\n\n\n<p>\u65f6\u57df\u5206\u6790\u63d0\u53d6\u7684\u662f\u4fe1\u53f7\u968f\u65f6\u95f4\u6216\u7269\u7406\u8ddd\u79bb\u53d8\u5316\u7684\u884c\u4e3a\u4fe1\u606f\uff0c\u800c\u4e0d\u662f\u9891\u7387\u3002\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u5de5\u7a0b\u5e08\u80fd\u591f\u68c0\u6d4b\u4e0d\u8fde\u7eed\u6027\u7684\u5177\u4f53\u7269\u7406\u4f4d\u7f6e\uff0c\u4f8b\u5982\u8fde\u63a5\u5668\u3001\u6545\u969c\u6216\u4f20\u8f93\u7ebf\u4e2d\u7684\u963b\u6297\u4e0d\u5339\u914d\u3002\u4f20\u7edf\u4e0a\uff0c\u65f6\u57df\u53cd\u5c04\u8ba1\uff08TDR\uff09\u901a\u8fc7\u53d1\u9001\u7535\u538b\u8109\u51b2\u5e76\u89c2\u5bdf\u53cd\u5c04\u6765\u8fdb\u884c\u6b64\u7c7b\u6d4b\u91cf\u3002<\/p>\n\n\n\n<p>\u7136\u800c\uff0c\u73b0\u4ee3\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\u5229\u7528\u5176\u9891\u57df\u6570\u636e\uff0c\u5e76\u901a\u8fc7\u5e94\u7528\u9006\u5085\u91cc\u53f6\u53d8\u6362\u6216\u8bf8\u5982 Chirp Z-\u53d8\u6362\u7b49\u9ad8\u7ea7\u7b97\u6cd5\uff0c\u5c06\u9891\u7387\u54cd\u5e94\u8f6c\u6362\u4e3a\u65f6\u57df\u8868\u793a\u3002\u8fd9\u4e00\u80fd\u529b\u5f97\u76ca\u4e8e\u9ad8\u8ba1\u7b97\u80fd\u529b\u548c\u5d4c\u5165\u5728 VNA \u4e2d\u7684\u590d\u6742\u8f6f\u4ef6\u800c\u6210\u4e3a\u73b0\u5b9e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VNA\u5173\u952e\u65f6\u57df\u672f\u8bed<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-border-color has-palette-color-4-border-color has-fixed-layout\" style=\"border-width:1px\"><tbody><tr><td><strong>\u672f\u8bed<\/strong><\/td><td><strong>\u63cf\u8ff0<\/strong><\/td><\/tr><tr><td>\u9006\u5085\u91cc\u53f6\u53d8\u6362<\/td><td>\u4e00\u79cd\u5c06\u9891\u57df\u6570\u636e\u8f6c\u6362\u4e3a\u65f6\u57df\u6570\u636e\u7684\u6570\u5b66\u65b9\u6cd5<\/td><\/tr><tr><td>\u9636\u8dc3\u54cd\u5e94<\/td><td>\u88ab\u6d4b\u8bbe\u5907\u5bf9\u8f93\u5165\u7a81\u53d8\u7684\u4fe1\u53f7\u54cd\u5e94<\/td><\/tr><tr><td>\u51b2\u6fc0\u54cd\u5e94<\/td><td>\u5bf9\u4e00\u4e2a\u975e\u5e38\u77ed\u6682\u7684\u8109\u51b2\u8f93\u5165\u7684\u54cd\u5e94\uff0c\u88ab\u7406\u60f3\u5316\u4e3a\u4e00\u4e2a\u03b4\u51fd\u6570<\/td><\/tr><tr><td>\u95e8\u63a7<\/td><td>\u65f6\u57df\u6ee4\u6ce2\u4ee5\u6392\u9664\u4e0d\u9700\u8981\u7684\u4fe1\u53f7\u53cd\u5c04<\/td><\/tr><tr><td>\u4e0d\u8fde\u7eed\u6027<\/td><td>\u5bfc\u81f4\u4fe1\u53f7\u53cd\u5c04\u6216\u963b\u6297\u4e0d\u5339\u914d\u7684\u7269\u7406\u4f4d\u7f6e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u65f6\u57df\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9891\u7387\u626b\u63cf\u6d4b\u91cf\uff1aVNA \u626b\u63cf\u4e00\u7cfb\u5217\u9891\u7387\u8303\u56f4\uff0c\u6d4b\u91cf DUT \u7684 S \u53c2\u6570\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u53d8\u6362\uff1a\u4f7f\u7528\u9006\u5085\u91cc\u53f6\u53d8\u6362\u6216 Chirp Z \u53d8\u6362\uff0c\u5c06\u9891\u7387\u6570\u636e\u6570\u5b66\u8f6c\u6362\u5230\u65f6\u57df\u3002<\/li>\n\n\n\n<li>\u8109\u51b2\/\u9636\u8dc3\u54cd\u5e94\u8ba1\u7b97\uff1a\u8be5\u53d8\u6362\u5f97\u5230 DUT \u7684\u8109\u51b2\u6216\u9636\u8dc3\u54cd\u5e94\uff0c\u63ed\u793a\u9690\u85cf\u7279\u6027\u3002<\/li>\n\n\n\n<li>\u6545\u969c\u5b9a\u4f4d\u4e0e\u95e8\u63a7\uff1a\u7531\u6545\u969c\u6216\u8fde\u63a5\u5668\u5f15\u8d77\u7684\u53cd\u5c04\u5728\u4e0d\u540c\u65f6\u523b\u8868\u73b0\u4e3a\u5cf0\u503c\uff0c\u6307\u793a\u5176\u4e0e\u6d4b\u91cf\u7aef\u53e3\u7684\u8ddd\u79bb\u3002\u95e8\u63a7\u53ef\u9694\u79bb\u6216\u6291\u5236\u7279\u5b9a\u53cd\u5c04\u4ee5\u63d0\u9ad8\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li>\u9891\u57df\u56de\u53d8\u6362\uff1a\u65f6\u57df\u6ee4\u6ce2\u6570\u636e\u53ef\u8f6c\u6362\u56de\u9891\u57df\uff0c\u4ee5\u8fdb\u884c\u66f4\u7cbe\u7ec6\u7684\u5206\u6790\uff0c\u6d88\u9664\u4e0d\u9700\u8981\u7684\u4fe1\u53f7\u6210\u5206\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea (VNA) \u8fdb\u884c\u65f6\u57df\u5206\u6790\u7684\u4f18\u52bf<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7cbe\u786e\u6545\u969c\u5b9a\u4f4d\uff1a\u65f6\u57df\u56fe\u80fd\u591f\u7cbe\u786e\u8bc6\u522b\u6545\u969c\u6216\u4e0d\u8fde\u7eed\u70b9\u7684\u4f4d\u7f6e\uff0c\u9002\u7528\u4e8e\u7535\u7f06\u6d4b\u8bd5\u548c\u5929\u7ebf\u8bca\u65ad\u3002<\/li>\n\n\n\n<li>\u66f4\u9ad8\u7684\u52a8\u6001\u8303\u56f4\u548c\u7cbe\u5ea6\uff1a\u76f8\u6bd4\u4f20\u7edf\u7684TDR\u4eea\u5668\uff0cVNA\u63d0\u4f9b\u66f4\u597d\u7684\u52a8\u6001\u8303\u56f4\uff0c\u4ece\u800c\u63d0\u9ad8\u6d4b\u91cf\u4e2d\u7684\u4fe1\u566a\u6bd4\u3002<\/li>\n\n\n\n<li>\u591a\u529f\u80fd\u6027\uff1a\u5355\u53f0\u4eea\u5668\u5373\u53ef\u8fdb\u884c\u9891\u57df\u548c\u65f6\u57df\u5206\u6790\uff0c\u51cf\u5c11\u6d4b\u8bd5\u8bbe\u5907\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u66f4\u9ad8\u5206\u8fa8\u7387\uff1a\u626b\u9891\u8303\u56f4\u8d8a\u5bbd\uff08\u73b0\u4ee3VNA\u53ef\u8fbe65 GHz\u6216\u66f4\u9ad8\uff09\uff0c\u5206\u8fa8\u7387\u8d8a\u9ad8\uff0c\u80fd\u591f\u533a\u5206\u95f4\u8ddd\u66f4\u8fd1\u7684\u4e0d\u8fde\u7eed\u70b9\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u65f6\u57df\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7535\u7f06\u6d4b\u8bd5\u4e0e\u6545\u969c\u5b9a\u4f4d\uff1a \u65f6\u57df\u6d4b\u91cf\u53ef\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u7535\u7f06\u65ad\u88c2\u3001\u77ed\u8def\u6216\u635f\u574f\u7684\u8fde\u63a5\u5668\u3002<\/li>\n\n\n\n<li>\u963b\u6297\u5206\u5e03\u6d4b\u91cf\uff1a \u5de5\u7a0b\u5e08\u53ef\u4ee5\u89c2\u5bdf\u4f20\u8f93\u7ebf\u6cbf\u7ebf\u7684\u963b\u6297\u53d8\u5316\uff0c\u8fd9\u5bf9\u4fe1\u53f7\u5b8c\u6574\u6027\u975e\u5e38\u91cd\u8981\u3002<\/li>\n\n\n\n<li>\u5929\u7ebf\u4e0e\u6ee4\u6ce2\u5668\u8868\u5f81\uff1a \u5b9a\u4f4d\u5929\u7ebf\u7ed3\u6784\u6216\u6ee4\u6ce2\u7f51\u7edc\u4e2d\u7684\u4e0d\u5339\u914d\u548c\u53cd\u5c04\u3002<\/li>\n\n\n\n<li>\u9ad8\u901f\u6570\u5b57\u7ebf\u4fe1\u53f7\u5b8c\u6574\u6027\u68c0\u67e5\uff1a \u968f\u7740\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\u9010\u6e10\u5e94\u7528\u4e8e\u6570\u5b57\u5de5\u7a0b\u5e08\u5206\u6790\u9ad8\u901f\u4e92\u8fde\u4e2d\u7684\u53cd\u5c04\uff0c\u8fd9\u4e00\u70b9\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u65f6\u57df\u5206\u6790 \u4e0e \u4f20\u7edf TDR<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-border-color has-palette-color-4-border-color has-fixed-layout\" style=\"border-width:1px\"><tbody><tr><td><strong>\u7279\u70b9<\/strong><\/td><td><strong>\u65f6\u57df\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea<\/strong><\/td><td><strong>\u50b3\u7d71 TDR<\/strong><\/td><\/tr><tr><td>\u6d4b\u91cf\u539f\u7406<\/td><td>\u9891\u7387\u626b\u63cf + \u6570\u5b66\u53d8\u6362<\/td><td>\u5355\u4e00\u8109\u51b2\u4fe1\u53f7\u6d4b\u91cf<\/td><\/tr><tr><td>\u52a8\u6001\u8303\u56f4<\/td><td>\u66f4\u9ad8\uff08\u5f97\u76ca\u4e8e\u7a84\u5e26\u63a5\u6536\u673a\uff09<\/td><td>\u66f4\u4f4e<\/td><\/tr><tr><td>\u6240\u9700\u8bbe\u5907<\/td><td>\u5355\u53f0 VNA \u8bbe\u5907<\/td><td>\u4e13\u7528 TDR \u4eea\u5668<\/td><\/tr><tr><td>\u51c6\u786e\u6027<\/td><td>\u66f4\u9002\u5408\u590d\u6742\u7684DUT<\/td><td>\u53d7\u9650\u4e8e\u793a\u6ce2\u5668\u7684\u6027\u80fd<\/td><\/tr><tr><td>\u53ef\u7528\u6027<\/td><td>\u66f4\u901a\u7528\uff0c\u5305\u62ec\u9891\u57df<\/td><td>\u4ec5\u9650\u4e8e\u65f6\u57df<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u65f6\u57df\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u6027\u80fd\u7684\u7edf\u8ba1\u89c1\u89e3<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u80fd\u591f\u626b\u9891\u81f3 65 GHz \u7684\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\u76f8\u6bd4\u7a84\u5e26\u8bbe\u5907\uff08\u4f8b\u5982 26.5 GHz \u5e26\u5bbd\uff09\u63d0\u4f9b\u66f4\u4f18\u8d8a\u7684\u65f6\u57df\u5206\u8fa8\u7387\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u66f4\u5bbd\u7684\u9891\u7387\u8303\u56f4\u53ef\u63d0\u9ad8\u5206\u8fa8\u95f4\u9694\u4ec5\u4e3a\u6570\u6beb\u7c73\u7684\u4e0d\u8fde\u7eed\u70b9\u7684\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u5229\u7528 VNA \u8fdb\u884c\u7684\u65f6\u57df\u5206\u6790\u663e\u793a\u51fa\u660e\u663e\u9ad8\u4e8e\u4f20\u7edf TDR \u7684\u4fe1\u566a\u6bd4\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u7684\u6d4b\u91cf\u53ef\u91cd\u590d\u6027\u548c\u66f4\u4f4e\u7684\u4e0d\u786e\u5b9a\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f18\u5316\u65f6\u57df\u6d4b\u91cf\uff1a\u6700\u4f73\u5b9e\u8df5<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u5927\u5316\u9891\u7387\u8303\u56f4\uff1a\u66f4\u5bbd\u7684\u9891\u7387\u8303\u56f4\u53ef\u63d0\u9ad8\u5206\u8fa8\u7387\u548c\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li>\u5408\u9002\u7684\u9891\u7387\u91c7\u6837\u95f4\u9694\uff1a\u5fc5\u987b\u6b63\u786e\u8bbe\u7f6e\uff0c\u4ee5\u907f\u514d\u65f6\u57df\u6570\u636e\u4e2d\u7684\u6df7\u53e0\u6548\u5e94\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u65f6\u57df\u95e8\u63a7\uff1a\u6ee4\u9664\u65e0\u5173\u4fe1\u53f7\u6216\u591a\u91cd\u53cd\u5c04\uff0c\u4ee5\u805a\u7126\u76ee\u6807\u7279\u5f81\u3002<\/li>\n\n\n\n<li>\u6821\u51c6\uff1a\u786e\u4fdd\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u5728\u9891\u57df\u4e2d\u6b63\u786e\u6821\u51c6\uff0c\u4ee5\u83b7\u5f97\u6709\u6548\u7684\u65f6\u57df\u53d8\u6362\u7ed3\u679c\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba\uff1a\u7528 Sankorf \u63d0\u5347\u60a8\u7684\u7f51\u7edc\u5206\u6790\u4eea<\/h2>\n\n\n\n<p>\u5728\u65f6\u57df\u4e2d\u638c\u63e1\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u4e3a\u5c04\u9891\u5de5\u7a0b\u5e08\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u4f18\u52bf\uff0c\u4e0d\u4ec5\u80fd\u591f\u7cbe\u786e\u5b9a\u4f4d\u6545\u969c\uff0c\u8fd8\u80fd\u6df1\u5165\u6d1e\u5bdf\u5143\u4ef6\u884c\u4e3a\u3002Sankorf \u63d0\u4f9b\u9876\u7ea7\u7684\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u89e3\u51b3\u65b9\u6848\u548c\u4e13\u5bb6\u54a8\u8be2\u670d\u52a1\uff0c\u91cf\u8eab\u5b9a\u5236\u6ee1\u8db3\u60a8\u7684\u6d4b\u8bd5\u548c\u6d4b\u91cf\u9700\u6c42\u3002\u65e0\u8bba\u60a8\u662f\u5728\u4f7f\u7528\u5148\u8fdb\u7684\u5fae\u6ce2\u7cfb\u7edf\uff0c\u8fd8\u662f\u5728\u786e\u4fdd\u6570\u5b57\u7ebf\u8def\u4e2d\u7684\u4fe1\u53f7\u5b8c\u6574\u6027\uff0c\u6211\u4eec\u7684\u6280\u672f\u548c\u652f\u6301\u90fd\u80fd\u5e2e\u52a9\u60a8\u5145\u5206\u53d1\u6325\u65f6\u57df VNA \u7684\u6f5c\u80fd\u3002<\/p>\n\n\n\n<p>\u63a2\u7d22 <a href=\"https:\/\/sankorf.com\/cn\/\">Sanko<\/a>\u7684\u5168\u9762\u89e3\u51b3\u65b9\u6848\uff0c\u4eca\u5929\u5c31\u63d0\u5347\u60a8\u7684\u6d4b\u91cf\u7cbe\u5ea6\uff01\u901a\u8fc7 <a href=\"https:\/\/sankorf.com\/cn\/contact-us\/\">\u8054\u7cfb\u6211\u4eec\u9875\u9762<\/a> \u4e0e\u6211\u4eec\u8054\u7cfb\uff0c\u8ba8\u8bba\u60a8\u7684\u5177\u4f53\u9700\u6c42\u5e76\u83b7\u5f97\u4e13\u5bb6\u534f\u52a9\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898\u90e8\u5206<\/h2>\n\n\n\n<p><strong>1. \u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u4e2d\uff0c\u9891\u57df\u5206\u6790\u4e0e\u65f6\u57df\u5206\u6790\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u6848:<br>\u9891\u57df\u5206\u6790\u7528\u4e8e\u6d4b\u91cf\u8bbe\u5907\u5bf9\u4e0d\u540c\u9891\u7387\u7684\u54cd\u5e94\uff0c\u83b7\u53d6\u79f0\u4e3a S \u53c2\u6570\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u4fe1\u606f\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u65f6\u57df\u5206\u6790\u5219\u5c06\u8fd9\u4e9b\u9891\u7387\u6570\u636e\u8f6c\u6362\u4e3a\u4fe1\u53f7\u968f\u65f6\u95f4\u6216\u8ddd\u79bb\u53d8\u5316\u7684\u8868\u73b0\uff0c\u4f7f\u5de5\u7a0b\u5e08\u80fd\u591f\u7cbe\u786e\u5b9a\u4f4d\u7535\u7f06\u548c\u5143\u4ef6\u4e2d\u7684\u6545\u969c\u6216\u4e0d\u8fde\u7eed\u70b9\u3002\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea (VNA) \u901a\u8fc7\u4f7f\u7528\u9006\u5085\u91cc\u53f6\u53d8\u6362\u7b49\u6570\u5b66\u5de5\u5177\u6765\u6267\u884c\u8fd9\u79cd\u8f6c\u6362\uff0c\u5c06\u4f20\u7edf\u7684\u9891\u57df\u6d1e\u5bdf\u4e0e\u65f6-\u7a7a\u5206\u8fa8\u7387\u76f8\u7ed3\u5408\uff0c\u7528\u4e8e\u6545\u969c\u6392\u67e5\u548c\u7279\u6027\u5206\u6790\u3002<\/p>\n\n\n\n<p><strong>2. \u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u5982\u4f55\u5229\u7528\u9891\u57df\u6570\u636e\u8fdb\u884c\u65f6\u57df\u6d4b\u91cf\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u6848:<br>\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\u5728\u6307\u5b9a\u7684\u9891\u7387\u8303\u56f4\u5185\u626b\u63cf\uff0c\u5728\u79bb\u6563\u70b9\u4e0a\u6d4b\u91cf S \u53c2\u6570\u3002\u901a\u8fc7\u5bf9\u9891\u57df\u6570\u636e\u5e94\u7528\u9006\u5085\u91cc\u53f6\u53d8\u6362\u6216 Chirp Z \u53d8\u6362\uff0cVNA \u5c06\u5176\u8f6c\u6362\u4e3a\u65f6\u57df\u54cd\u5e94\uff0c\u5982\u8109\u51b2\u54cd\u5e94\u6216\u9636\u8dc3\u54cd\u5e94\u3002\u8be5\u8fc7\u7a0b\u4f1a\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u95f4\u9694\u663e\u793a\u53cd\u5c04\u548c\u4e0d\u8fde\u7eed\u6027\u4e3a\u5cf0\u503c\uff0c\u4ece\u800c\u6307\u793a\u5b83\u4eec\u5728\u4f20\u8f93\u7ebf\u6216\u5668\u4ef6\u4e0a\u7684\u7cbe\u786e\u4f4d\u7f6e\u3002\u4e0e\u4f20\u7edf\u7684\u65f6\u57df\u53cd\u5c04\u8ba1 (TDR) \u6280\u672f\u76f8\u6bd4\uff0c\u6b64\u65b9\u6cd5\u5177\u6709\u66f4\u9ad8\u7684\u52a8\u6001\u8303\u56f4\u548c\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<p><strong>3. \u65f6\u57df\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u5728\u7535\u7f06\u548c\u5929\u7ebf\u6d4b\u8bd5\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u6848:<br>\u65f6\u57df\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u5bf9\u4e8e\u4ee5\u4e0b\u65b9\u9762\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ee5\u6781\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u7535\u7f06\u4e2d\u7684\u6545\u969c\u3001\u65ad\u70b9\u6216\u963b\u6297\u4e0d\u5339\u914d<\/li>\n\n\n\n<li>\u6d4b\u91cf\u4f20\u8f93\u7ebf\u4e0a\u7684\u963b\u6297\u5206\u5e03\uff0c\u4ee5\u4f18\u5316\u4fe1\u53f7\u5b8c\u6574\u6027<\/li>\n\n\n\n<li>\u8bca\u65ad\u590d\u6742\u5929\u7ebf\u7ed3\u6784\u4e2d\u7684\u5929\u7ebf\u53cd\u5c04\u548c\u4e0d\u5339\u914d\u95ee\u9898<\/li>\n\n\n\n<li>\u8bc4\u4f30\u6ee4\u6ce2\u5668\u884c\u4e3a\u5e76\u5b9a\u4f4d\u5185\u90e8\u4e0d\u8fde\u7eed\u70b9\u3002\u8fd9\u79cd\u591a\u529f\u80fd\u6027\u4f7f\u5de5\u7a0b\u5e08\u80fd\u591f\u4f7f\u7528\u4e00\u53f0\u4eea\u5668\u8fdb\u884c\u6df1\u5165\u8bca\u65ad\uff0c\u63d0\u9ad8\u6d4b\u8bd5\u6548\u7387\u5e76\u51cf\u5c11\u5bf9\u591a\u53f0\u8bbe\u5907\u7684\u9700\u6c42\u3002<br>This versatility allows engineers to perform in-depth diagnostics with one instrument, improving testing efficiency and reducing the need for multiple devices.<\/li>\n<\/ul>\n\n\n\n<p><strong>4. \u65f6\u57df\u95e8\u63a7\u5982\u4f55\u63d0\u9ad8\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea (VNA) \u7684\u6d4b\u91cf\u7cbe\u5ea6\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u6848:<br>\u65f6\u57df\u95e8\u63a7\u901a\u8fc7\u5728\u611f\u5174\u8da3\u533a\u57df\u5468\u56f4\u5e94\u7528\u95e8\u9650\uff0c\u6709\u9009\u62e9\u6027\u5730\u9694\u79bb\u6216\u6392\u9664\u65f6\u57df\u4e2d\u7684\u7279\u5b9a\u53cd\u5c04\u3002\u8fd9\u79cd\u6ee4\u6ce2\u6280\u672f\u53ef\u4ee5\u53bb\u9664\u4e0d\u9700\u8981\u7684\u4fe1\u53f7\u6210\u5206\uff0c\u4f8b\u5982\u591a\u91cd\u53cd\u5c04\u6216\u566a\u58f0\uff0c\u4ece\u800c\u4f7f\u7279\u5b9a\u5668\u4ef6\u90e8\u5206\u7684\u5206\u6790\u66f4\u52a0\u6e05\u6670\u3002\u95e8\u63a7\u5728\u6d4b\u8bd5\u5177\u6709\u590d\u6742\u5185\u90e8\u7ed3\u6784\u6216\u957f\u7535\u7f06\u7684\u8bbe\u5907\u65f6\u5c24\u5176\u6709\u7528\uff0c\u5b83\u80fd\u63d0\u9ad8\u6d4b\u91cf\u7684\u52a8\u6001\u8303\u56f4\u5e76\u6d88\u9664\u7ed3\u679c\u4e2d\u7684\u6b67\u4e49\u3002<\/p>\n\n\n\n<p><strong>5. \u5728\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u4e2d\uff0c\u4e3a\u4e86\u83b7\u5f97\u6700\u4f73\u7684\u65f6\u57df\u5206\u8fa8\u7387\uff0c\u6211\u5e94\u8be5\u9009\u62e9\u4ec0\u4e48\u9891\u7387\u8303\u56f4\u548c\u5e26\u5bbd\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u6848:<br>\u6700\u4f73\u7684\u65f6\u57df\u5206\u8fa8\u7387\u4e0e\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea (VNA) \u626b\u63cf\u7684\u9891\u7387\u8303\u56f4\u76f4\u63a5\u76f8\u5173\u3002\u66f4\u5bbd\u7684\u9891\u7387\u8303\u56f4\u53ef\u4ee5\u63d0\u4f9b\u66f4\u7cbe\u7ec6\u7684\u5206\u8fa8\u7387\uff0c\u5e76\u66f4\u597d\u5730\u533a\u5206\u95f4\u9694\u8f83\u8fd1\u7684\u4e0d\u8fde\u7eed\u70b9\u3002\u73b0\u4ee3 VNA \u53ef\u63d0\u4f9b\u9ad8\u8fbe 65 GHz \u7684\u9891\u7387\u8303\u56f4\uff0c\u5728\u8ddd\u79bb\u57df\u4e0a\u53ef\u5b9e\u73b0\u6beb\u7c73\u7ea7\u7684\u5206\u8fa8\u7387\u3002\u76f8\u53cd\uff0c\u8f83\u7a84\u7684\u5e26\u5bbd\u4f1a\u964d\u4f4e\u5206\u8fa8\u7387\uff0c\u4f7f\u5f97\u68c0\u6d4b\u5fae\u5c0f\u6545\u969c\u66f4\u52a0\u56f0\u96be\u3002\u5de5\u7a0b\u5e08\u5e94\u9009\u62e9\u5c3d\u53ef\u80fd\u5bbd\u7684\u9891\u7387\u8303\u56f4\uff0c\u5e76\u786e\u4fdd\u8db3\u591f\u7684\u91c7\u6837\u5bc6\u5ea6\uff0c\u4ee5\u6700\u5927\u5316\u65f6\u57df\u7cbe\u5ea6\uff0c\u6ee1\u8db3\u7279\u5b9a\u5e94\u7528\u9700\u6c42\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Vector Network Analyzer (VNA) is a cornerstone measurement technique in RF and microwave engineering, crucial for characterising the behaviour of electronic components and systems. While VNAs traditionally operate in the frequency domain, analysing signals based on their frequency responses, time domain analysis using VNAs has become indispensable for pinpointing faults and discontinuities within devices and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[],"class_list":["post-2326","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-events"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vector Network Analysis in Time Domain | Fault Detection &amp; Testing<\/title>\n<meta name=\"description\" content=\"Discover how time domain vector network analysis locates faults with precision. Learn key techniques and benefits for RF testing and signal integrity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sankorf.com\/cn\/blog\/guide-to-understanding-vector-network-analyzer-in-the-time-domain\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vector Network Analysis in Time Domain | Fault Detection &amp; Testing\" \/>\n<meta property=\"og:description\" content=\"Discover how time domain vector network analysis locates faults with precision. 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