{"id":3635,"date":"2026-04-16T11:00:46","date_gmt":"2026-04-16T03:00:46","guid":{"rendered":"http:\/\/www.xzclass.com\/?p=3635"},"modified":"2026-04-16T11:03:50","modified_gmt":"2026-04-16T03:03:50","slug":"%e5%88%b0%e5%ba%95%e4%bb%80%e4%b9%88%e6%98%afotdr%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.xzclass.com\/?p=3635","title":{"rendered":"\u5230\u5e95\u4ec0\u4e48\u662fOTDR\uff1f"},"content":{"rendered":"

\u5f15\u8a00\uff1a\u5199\u4e86\u8fd9\u4e48\u591a\u5e74\u7684\u5149\u901a\u4fe1\uff0c\u7a81\u7136\u53d1\u73b0\u7adf\u7136\u8fd8\u6ca1\u4ecb\u7ecd\u8fc7OTDR\u3002\u4eca\u5929\u8fd9\u7bc7\uff0c\u6765\u8865\u4e00\u4e0b\u3002<\/span><\/span><\/p>\n


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OTDR\u7684\u5168\u79f0\uff0c\u53eb\u505aOptical Time Domain Reflectometer\uff0c\u5149\u65f6\u57df\u53cd\u5c04\u4eea\uff0c\u5927\u6982\u662f\u8fd9\u4e2a\u6837\u5b50\uff1a<\/span><\/span><\/p>\n


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OTDR<\/span><\/span><\/section>\n


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\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u6211\u4eec\u73b0\u5728\u5728\u901a\u4fe1\u7f51\u7edc\u4e2d\u5927\u91cf\u4f7f\u7528\u4e86\u5149\u7ea4\u5149\u7f06\u3002\u5149\u7ea4\u5149\u7f06\u7684\u5e26\u5bbd\u5927\u3001\u635f\u8017\u4f4e\u3001\u65f6\u5ef6\u4f4e\u3001\u6297\u7535\u78c1\u5e72\u6270\uff0c\u5173\u952e\u8fd8\u7279\u522b\u4fbf\u5b9c\uff0c\u6240\u4ee5\u6210\u4e3a\u73b0\u4ee3\u4fe1\u606f\u9ad8\u901f\u516c\u8def\u7684\u57fa\u77f3\u3002<\/span><\/span><\/p>\n


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\u5149\u7ea4\u662f\u4e00\u4e2a\u4f20\u8f93\u201c\u5149\u201d\u7684\u5c01\u95ed\u901a\u9053\uff0c\u53ef\u4ee5\u770b\u6210\u662f\u4e00\u6839\u73bb\u7483\u4e1d\u3002\u5728\u73b0\u5b9e\u60c5\u51b5\u4e0b\uff0c\u5b83\u96be\u514d\u4f1a\u51fa\u73b0\u4e00\u4e9b\u95ee\u9898\uff0c\u4f8b\u5982\u5f2f\u6298\u3001\u65ad\u88c2\u3001\u7834\u635f\u3002\u6216\u8005\uff0c\u5728\u4e00\u4e9b\u63a5\u5934\u5904\uff0c\u51fa\u73b0\u7070\u5c18\u6c61\u67d3\u3001\u63a5\u89e6\u4e0d\u826f\u3001\u7aef\u9762\u5212\u4f24\u7b49\u3002<\/span><\/span><\/p>\n


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\u8fd9\u4e9b\u770b\u4f3c\u7ec6\u5fae\u7684\u5f02\u5e38\uff0c\u5374\u53ef\u80fd\u4e25\u91cd\u5f71\u54cd\u5149\u4fe1\u53f7\u7684\u4f20\u8f93\uff0c\u5bfc\u81f4\u94fe\u8def\u8870\u51cf\u9661\u589e\uff0c\u751a\u81f3\u901a\u4fe1\u4e2d\u65ad\u3002<\/span><\/span><\/p>\n


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\u88ab\u6076\u610f\u7834\u574f\u7684\u5149\u7ea4\u5149\u7f06<\/span><\/span><\/p>\n


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\u5728\u5bbd\u5e26\u63a5\u5165\u7f51\u4e2d\uff0c\u6709\u6210\u5343\u4e0a\u4e07\u7684\u5bb6\u5ead\u90fd\u901a\u8fc7\u5149\u7ea4\u63a5\u5165\uff0c\u6570\u91cf\u6781\u4e3a\u5e9e\u5927\u3002<\/span><\/span><\/p>\n


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\u8fd9\u4e9b\u5149\u7ea4\u968f\u65f6\u90fd\u53ef\u80fd\u51fa\u73b0\u95ee\u9898\u3002\u5982\u679c\u7f3a\u4e4f\u4e00\u79cd\u6709\u6548\u7684\u624b\u6bb5\uff0c\u6545\u969c\u6392\u67e5\u5c31\u4f1a\u50cf\u5927\u6d77\u635e\u9488\u2014\u2014\u9760\u4eba\u5de5\u9010\u6bb5\u63d2\u62d4\u3001\u7528\u5149\u529f\u7387\u8ba1\u76f2\u6d4b\uff0c\u8017\u65f6\u8017\u529b\u8fd8\u5bb9\u6613\u6f0f\u5224\u3001\u8bef\u5224\u3002<\/span><\/span><\/p>\n


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\u5728\u9aa8\u5e72\u7f51\u4e2d\uff0c\u7701\u4e0e\u7701\u4e4b\u95f4\u3001\u57ce\u4e0e\u57ce\u4e4b\u95f4\uff0c\u5149\u7ea4\u94fe\u8def\u52a8\u8f84\u6570\u767e\u516c\u91cc\u3002\u56fd\u9645\u6d77\u5e95\u5149\u7f06\u7684\u8bdd\uff0c\u52a8\u8f84\u8de8\u8d8a\u6570\u5343\u516c\u91cc\u3002\u4e00\u65e6\u51fa\u95ee\u9898\uff0c\u4f20\u7edf\u65b9\u6cd5\u6839\u672c\u6ca1\u6cd5\u5feb\u901f\u5b9a\u4f4d\u2014\u2014\u4f60\u603b\u4e0d\u80fd\u6cbf\u7740\u51e0\u767e\u516c\u91cc\u7684\u5149\u7f06\u4e00\u8def\u53bb\u6478\u5427\uff1f<\/span><\/span><\/p>\n


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\u8fd9\u65f6\u5019\uff0cOTDR\u5c31\u6d3e\u4e0a\u5927\u7528\u573a\u4e86\u3002<\/span><\/span><\/p>\n


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OTDR\uff0c\u662f\u5149\u901a\u4fe1\u5de5\u7a0b\u5e08\u6700\u5e38\u7528\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u4e13\u95e8\u7528\u6765\u68c0\u6d4b\u5149\u7ea4\u7ebf\u8def\u7684\u6545\u969c\u3002\u5b83\u6709\u70b9\u50cf\u7ed9\u5149\u7ea4\u505a\u201cB\u8d85\u201d\u548c\u201c\u5fc3\u7535\u56fe\u201d\uff0c\u4e0d\u7ba1\u662f\u4ec0\u4e48\u95ee\u9898\uff0c\u53ea\u8981\u7528\u4e0aOTDR\uff0c\u57fa\u672c\u5c31\u80fd\u7cbe\u51c6\u5b9a\u4f4d\u6545\u969c\u539f\u56e0\u548c\u4f4d\u7f6e\u3002<\/span><\/span><\/p>\n


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\u2588<\/span><\/span><\/span> <\/span><\/span>OTDR\u7684\u5de5\u4f5c\u539f\u7406<\/span><\/span><\/p>\n


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OTDR\u7684\u539f\u7406\u975e\u5e38\u50cf\u96f7\u8fbe\u3002\u5b83\u5411\u5149\u7ea4\u53d1\u5c04\u4e00\u675f\u7a84\u8109\u51b2\u5149\uff0c\u7136\u540e\u201c\u542c\u201d\u56de\u6765\u7684\u5fae\u5f31\u53cd\u5c04\u4fe1\u53f7\uff0c\u6839\u636e\u53cd\u5c04\u4fe1\u53f7\u7684\u7279\u70b9\uff0c\u5224\u65ad\u5149\u7ea4\u5185\u90e8\u7684\u201c\u8def\u51b5\u201d\u3002<\/span><\/span><\/p>\n


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\u66f4\u5177\u4f53\u6765\u8bf4\uff0cOTDR\u57fa\u4e8e\u7684\u662f\u745e\u5229\u6563\u5c04\uff08Rayleigh backscattering\uff09\u4ee5\u53ca\u83f2\u6d85\u5c14\u53cd\u5c04\uff08Fresnel reflection\uff09\u3002<\/span><\/span><\/p>\n


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\u5148\u8bf4\u8bf4<\/span>\u745e\u5229\u6563\u5c04<\/span>\u3002<\/span><\/span><\/p>\n


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\u5149\u7ea4\u6750\u6599\u662f\u7eaf\u5ea6\u6781\u9ad8\u7684\u4e8c\u6c27\u5316\u7845\u73bb\u7483\uff0c\u5185\u90e8\u539f\u5b50\u6392\u5217\u867d\u9ad8\u5ea6\u6709\u5e8f\uff0c\u4f46\u4ecd\u6709\u6781\u5176\u5fae\u5c0f\u7684\u5bc6\u5ea6\u6da8\u843d\u548c\u6742\u8d28\u6b8b\u7559\u3002\u4ece\u5fae\u89c2\u7684\u89d2\u5ea6\u6765\u8bf4\uff0c\u5149\u7ea4\u6750\u6599\u4ecd\u7136\u662f\u4e0d\u5747\u5300\u7684\u3002<\/span><\/span><\/p>\n


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\u8fd9\u5c31\u5bfc\u81f4\u5149\u5728\u5149\u7ea4\u4e2d\u4f20\u64ad\u65f6\uff0c\u4f1a\u4e0d\u65ad\u5411\u56db\u9762\u516b\u65b9\u6563\u5c04\u3002\u5c31\u50cf\u624b\u7535\u7b52\u7167\u8fdb\u96fe\u4e2d\uff0c\u6cbf\u9014\u90fd\u80fd\u770b\u5230\u5fae\u5149\u3002<\/span><\/span><\/p>\n


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\u745e\u5229\u6563\u5c04<\/span><\/span><\/p>\n


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\u6563\u5c04\u5149\u7684\u5176\u4e2d\u4e00\u5c0f\u90e8\u5206\uff0c\u4f1a\u6cbf\u7740\u539f\u8def\u8fd4\u56de\u3002\u8fd9\u90e8\u5206\u4fe1\u53f7\u5f88\u5fae\u5f31\uff0c\u4f46\u6781\u5176\u7a33\u5b9a\u3001\u8fde\u7eed\u3002\u5b83\u7684\u5f3a\u5ea6\u968f\u8ddd\u79bb\u5448\u6307\u6570\u8870\u51cf\uff0c\u5f62\u6210OTDR\u4eea\u5668\u663e\u793a\u5c4f\u4e0a\u7684\u5e73\u6ed1\u8870\u51cf\u66f2\u7ebf\u3002<\/span><\/span><\/p>\n


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\u8fd9\u5c31\u662f\u745e\u5229\u6563\u5c04\u3002\u5b83\u771f\u5b9e\u53cd\u6620\u4e86\u5149\u7ea4\u7684\u56fa\u6709\u8870\u51cf\u3002<\/span><\/span><\/p>\n


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\u518d\u8bf4\u8bf4<\/span>\u83f2\u6d85\u5c14\u53cd\u5c04<\/span>\u3002  <\/span><\/span><\/p>\n


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\u83f2\u6d85\u5c14\u53cd\u5c04\u4e0d\u50cf\u745e\u5229\u6563\u5c04\u90a3\u6837\u201c\u6e29\u67d4\u201d\uff0c\u800c\u662f\u77ac\u95f4\u7206\u53d1\u7684\u5f3a\u53cd\u5c04\u3002\u5b83\u53d1\u751f\u5728\u5149\u7ea4\u7aef\u9762\u3001\u65ad\u88c2\u70b9\u6216\u8fde\u63a5\u5668\u7b49\u6298\u5c04\u7387\u7a81\u53d8\u5904\u3002<\/span><\/span><\/p>\n


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\u5f53\u5149\u9047\u5230\u73bb\u7483-\u7a7a\u6c14\u754c\u9762\uff08\u6bd4\u5982\u65ad\u70b9\u88f8\u9732\u3001\u7aef\u9762\u672a\u6e05\u6d01\uff09\u3001\u6216\u4e24\u79cd\u4ecb\u8d28\u6298\u5c04\u7387\u5dee\u5f02\u8f83\u5927\u7684\u4ea4\u754c\uff08\u5982\u7194\u63a5\u70b9\u3001\u6d3b\u52a8\u8fde\u63a5\u5668\uff09\uff0c\u5c31\u4f1a\u50cf\u624b\u7535\u7b52\u76f4\u5c04\u955c\u5b50\u4e00\u6837\uff0c\u6fc0\u53d1\u51fa\u4e00\u4e2a\u5c16\u9510\u3001\u9ad8\u8038\u7684\u660e\u663e\u201c\u56de\u58f0\u5cf0\u201d\u4fe1\u53f7\u3002  <\/span><\/span><\/p>\n


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\u7531\u4e8e\u6298\u5c04\u7387\u4e0d\u540c\uff0c\u6700\u591a\u67094%\u7684\u53cd\u5c04\u635f\u5931<\/span><\/span><\/p>\n


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\u83f2\u6d85\u5c14\u53cd\u5c04\u771f\u5b9e\u53cd\u6620\u4e86\u5149\u7ea4\u9047\u5230\u7684\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\u3002<\/span><\/span><\/p>\n


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\u745e\u5229\u6563\u5c04\u548c\u83f2\u6d85\u5c14\u53cd\u5c04\uff0c\u4e00\u67d4\u4e00\u521a\uff0c\u76f8\u4e92\u914d\u5408\uff0c\u5171\u540c\u6784\u6210\u4e86OTDR\u773c\u4e2d\u7684\u5149\u7ea4\u201c\u5730\u5f62\u56fe\u201d\u3002<\/span><\/span><\/p>\n


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\u5728\u4f7f\u7528\u7684\u8fc7\u7a0b\u4e2d\uff0cOTDR\u4f1a\u53d1\u51fa\u5927\u529f\u7387\u7684\u5165\u5c04\u7a84\u8109\u51b2\u5149\u3002\u5728\u7ebf\u8def\u4e2d\u4f20\u8f93\u65f6\uff0c\u4f1a\u5728\u6cbf\u9014\u4ea7\u751f\u745e\u5229\u6563\u5c04\u5149\u548c<\/span><\/span>\u83f2\u6d85\u5c14<\/span><\/span>\u53cd\u5c04\u5149\u3002<\/span><\/span><\/p>\n


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\u8fd9\u4e9b\u540e\u5411\u5149\u88abOTDR\u7684\u9ad8\u7075\u654f\u5ea6\u63a5\u6536\u5668\u6355\u83b7\uff0c\u7ecf\u5149\u7535\u8f6c\u6362\u4e0e\u4fe1\u53f7\u5904\u7406\u540e\uff0c\u5f62\u6210\u4e00\u6761\u968f\u8ddd\u79bb\u53d8\u5316\u7684\u529f\u7387\u8870\u51cf\u66f2\u7ebf\u2014\u2014\u5373<\/span>OTDR\u8f68\u8ff9\u56fe<\/span>\u3002<\/span><\/span><\/p>\n


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OTDR\u8f68\u8ff9\u56fe\u7684\u6a2a\u8f74\u4e3a\u5149\u7ea4\u957f\u5ea6\uff0c\u7eb5\u8f74\u4e3a\u56de\u6ce2\u529f\u7387\u3002\u65ad\u70b9\u3001\u7194\u63a5\u70b9\u3001\u5f2f\u66f2\u70b9\u7b49\u5f02\u5e38\u4f4d\u7f6e\u5728\u66f2\u7ebf\u4e0a\u8868\u73b0\u4e3a\u660e\u663e\u7684\u53f0\u9636\u3001\u5c16\u5cf0\u6216\u659c\u7387\u7a81\u53d8\u3002<\/span><\/span><\/p>\n


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\u7ed3\u5408\u5149\u901f\u4e0e\u8109\u51b2\u5f80\u8fd4\u65f6\u95f4\uff0cOTDR\u53ef\u7cbe\u786e\u6362\u7b97\u51fa\u6545\u969c\u70b9\u8ddd\u6d4b\u8bd5\u7aef\u7684\u8ddd\u79bb\uff0c\u8bef\u5dee\u901a\u5e38\u5c0f\u4e8e1\u7c73\u3002<\/span><\/span><\/p>\n


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<\/section>\n


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\u2588<\/span><\/span><\/span> <\/span><\/span>OTDR\u7684\u4f7f\u7528\u65b9\u6cd5<\/span><\/span><\/p>\n


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\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u770b\u770bOTDR\u5230\u5e95\u8be5\u5982\u4f55\u4f7f\u7528\u3002<\/span><\/span><\/p>\n


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OTDR\u7684\u6838\u5fc3\u4f7f\u7528\u6d41\u7a0b\u4e3a\uff1a\u51c6\u5907\u2192\u6e05\u6d01\u2192\u8fde\u63a5\u2192\u53c2\u6570\u8bbe\u7f6e\u2192\u6d4b\u8bd5\u2192\u5206\u6790\u2192\u4fdd\u5b58\u3002\u5728\u4f7f\u7528\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5fc5\u987b\u4e25\u683c\u9075\u5b88\u201c\u6fc0\u5149\u5b89\u5168\u3001\u7aef\u9762\u6e05\u6d01\u3001\u53c2\u6570\u5339\u914d\u201d\u4e09\u5927\u539f\u5219\u3002<\/span><\/span><\/p>\n


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\u6211\u4eec\u9010\u4e00\u6765\u770b\u3002<\/span><\/span><\/p>\n


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\u7b2c\u4e00\u6b65\uff0c\u662f\u51c6\u5907\u3002<\/span><\/span><\/p>\n


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\u4e3b\u8981\u662f\u786e\u8ba4\u8bbe\u5907\u7684\u72b6\u6001\uff0c\u5916\u89c2\u662f\u5426\u6709\u635f\u574f\uff0c\u7535\u91cf\u662f\u5426\u5145\u8db3\uff08\u226530%\uff09\u6216\u5df2\u8fde\u63a5\u7535\u6e90\u3002<\/span><\/span><\/p>\n


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\u7b2c\u4e8c\u6b65\uff0c\u662f\u6e05\u6d01\u3002<\/span><\/span><\/p>\n


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\u7528\u65e0\u5c18\u68c9\u7b7e\u863899%\u65e0\u6c34\u9152\u7cbe\u5355\u5411\u64e6\u62edOTDR\u5149\u63a5\u53e3\uff0c\u76d6\u597d\u9632\u5c18\u5e3d\u3002\u6ce8\u610f\uff1a\u8df3\u7ea4\u7aef\u9762\u540c\u6837\u9700\u7528\u9152\u7cbe\u68c9\u7b7e+\u663e\u5fae\u955c\uff08\u7aef\u9762\u68c0\u6d4b\u4eea\uff09\u68c0\u67e5\uff0c\u4e00\u5c18\u4e0d\u67d3\u624d\u7b97\u8fc7\u5173\u3002  <\/span><\/span><\/p>\n


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\u7b2c\u4e09\u6b65\uff0c\u662f\u8fde\u63a5\u3002<\/span><\/span><\/p>\n


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\u628aOTDR\u7684\u6d4b\u8bd5\u7aef\u53e3\u901a\u8fc7\u8df3\u7ea4\u8fde\u5230\u5f85\u6d4b\u5149\u7ea4\u7684\u8d77\u59cb\u7aef\uff0c\u786e\u8ba4\u5361\u6263\u5230\u4f4d\u3002\u6d4b\u8bd5\u8df3\u7ea4\u7684\u53e6\u4e00\u7aef\uff0c\u901a\u8fc7\u6cd5\u5170\u76d8\u4e0e\u5f85\u6d4b\u5149\u7ea4\u8fde\u63a5\uff0c\u8f7b\u63d2\u8f7b\u65cb\uff0c\u907f\u514d\u4fa7\u5411\u53d7\u529b\u635f\u574f\u9676\u74f7\u82af\uff08\u975e\u5e38\u6613\u788e\uff09\u3002<\/span><\/span><\/p>\n


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OTDR\u5149\u63a5\u53e3<\/span><\/span><\/p>\n


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\u6ce8\u610f\uff1a\u5f85\u6d4b\u5149\u7ea4\u4e24\u7aef\u5fc5\u987b\u65ad\u5f00\u6240\u6709\u6709\u6e90\u8bbe\u5907\uff08\u5982\u4ea4\u6362\u673a\u3001OLT\uff09\uff0c\u9632\u6b62\u53cd\u5c04\u5149\u635f\u574fOTDR\u8bbe\u5907\u3002\u53e6\u5916\uff0c\u4e25\u7981\u76f4\u89c6\u5f00\u673a\u72b6\u6001\u4e0b\u7684OTDR\u5149\u53e3\u6216\u5149\u7ea4\u7aef\u9762\u3002\u6fc0\u5149\u53ef\u662f\u4f1a\u81f4\u76f2\u7684\u54df\uff0c\u4e0d\u5f00\u73a9\u7b11\u3002<\/span><\/span><\/p>\n


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\u6b63\u5e38\u6765\u8bf4\uff0c\u4f7f\u7528OTDR\u65f6\u8fd8\u9700\u8981\u4f69\u6234\u9632\u9759\u7535\u624b\u73af\uff0c\u907f\u514d\u9759\u7535\u635f\u574f\u8bbe\u5907\u3002<\/span><\/span><\/p>\n


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\u7b2c\u56db\u6b65\uff0c\u53c2\u6570\u8bbe\u7f6e\u3002<\/span><\/span><\/p>\n


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\u8fd9\u4e00\u6b65\u975e\u5e38\u5173\u952e\uff0c\u5982\u679c\u53c2\u6570\u8bbe\u7f6e\u4e0d\u5408\u7406\uff0c\u5c31\u65e0\u6cd5\u53d6\u5f97\u6700\u4f73\u7684\u6d4b\u8bd5\u7ed3\u679c\u3002<\/span><\/span><\/p>\n


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\u4e00\u822c\u6765\u8bf4\uff0cOTDR\u548c\u5176\u5b83\u5f88\u591a\u4eea\u5668\u4e00\u6837\uff0c\u91c7\u7528\u201c\u5148\u7c97\u8c03\uff0c\u540e\u7ec6\u8c03\u201d\u7684\u539f\u5219\uff0c\u9010\u6b65\u63d0\u5347\u7cbe\u5ea6\u3002\u53ef\u4ee5\u5148\u9009\u201c\u81ea\u52a8\u6a21\u5f0f\uff08\u4e00\u952e\u542f\u52a8\uff0c\u4eea\u8868\u81ea\u52a8\u5339\u914d\u53c2\u6570\uff09\u201d\u5feb\u901f\u51fa\u56fe\uff0c\u518d\u5207\u5230\u201c\u624b\u52a8\u6a21\u5f0f\uff08\u624b\u52a8\u5fae\u8c03\u8109\u5bbd\u3001\u5e73\u5747\u65f6\u95f4\u3001\u91cf\u7a0b\uff09\u201d\u9488\u5bf9\u6027\u4f18\u5316\u3002<\/span><\/span><\/p>\n


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\u6839\u636e\u5149\u7ea4\u7c7b\u578b\uff08\u5355\u6a21\/\u591a\u6a21\uff09\u3001\u957f\u5ea6\u9884\u4f30\u548c\u7cbe\u5ea6\u9700\u6c42\uff0c\u8bbe\u7f6e\u8109\u51b2\u5bbd\u5ea6\uff08\u7a84\u8109\u51b2\u770b\u8fd1\u5904\u7ec6\u8282\uff0c\u5bbd\u8109\u51b2\u6253\u8fdc\u5904\uff09\u3001\u6ce2\u957f\uff081310nm\/1550nm\/1625nm\uff09\u3001\u5e73\u5747\u65f6\u95f4\uff08\u65f6\u95f4\u8d8a\u957f\uff0c\u4fe1\u566a\u6bd4\u8d8a\u9ad8\uff0c\u66f2\u7ebf\u8d8a\u5e73\u6ed1\uff09\u3002<\/span><\/span><\/p>\n


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\u91cf\u7a0b\u65b9\u9762\uff0c\u4e00\u822c\u8bbe\u4e3a\u5149\u7ea4\u5b9e\u9645\u957f\u5ea6\u76841.5~2\u500d\uff0c\u907f\u514d\u201c\u672b\u7aef\u5047\u5cf0\u201d\u3002<\/span><\/span><\/p>\n


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\u7b2c\u4e94\u6b65\uff0c\u542f\u52a8\u6d4b\u8bd5\u3002<\/span><\/span><\/p>\n


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\u6309\u4e0b\u6d4b\u8bd5\u952e\uff0c\u9759\u9759\u7b49\u5f85\u51e0\u79d2\u5230\u51e0\u5341\u79d2\uff0c\u5c4f\u5e55\u4e0a\u5c31\u4f1a\u201c\u957f\u201d\u51fa\u90a3\u6761\u627f\u8f7d\u7740\u6574\u6761\u5149\u7ea4\u5065\u5eb7\u5bc6\u7801\u7684OTDR\u8f68\u8ff9\u56fe\u2014\u2014\u5b83\u50cf\u4e00\u5f20\u5149\u7ea4\u7684\u201c\u5fc3\u7535\u56fe\u201d\uff0c\u6bcf\u4e00\u9053\u8d77\u4f0f\u90fd\u5bf9\u5e94\u7740\u5149\u5728\u7ea4\u82af\u91cc\u7ecf\u5386\u7684\u201c\u574e\u5777\u201d\u3002<\/span><\/span><\/p>\n


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\u7b2c\u516d\u6b65\uff0c\u5206\u6790\u3002<\/span><\/span><\/p>\n


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\u6709\u4e86\u56fe\uff0c\u5c31\u8981\u5bf9\u56fe\u8fdb\u884c\u6df1\u5165\u5206\u6790\uff0c\u770b\u770b\u5177\u4f53\u65f6\u4ec0\u4e48\u60c5\u51b5\u3002<\/span><\/span><\/p>\n


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\u4ee5\u4e0b\u5217\u4e3e\u4e86\u51e0\u79cd\u5e38\u89c1\u95ee\u9898\u7684\u56fe\u50cf\u7279\u5f81\uff0c\u5927\u5bb6\u53ef\u4ee5\u7565\u4f5c\u4e86\u89e3\uff1a<\/span><\/span><\/p>\n


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\u6bd4\u5982\uff0c\u4e00\u4e2a\u9661\u5ced\u5411\u4e0b\u7684\u53f0\u9636\uff0c\u5927\u6982\u7387\u662f\u5149\u7ea4\u5f2f\u6298\u3001\u65ad\u88c2\u6216\u7834\u635f\uff1b\u4e00\u9053\u5c16\u9510\u5411\u4e0a\u7684\u5cf0\uff0c\u5f80\u5f80\u610f\u5473\u7740\u7aef\u9762\u810f\u6c61\u3001\u63a5\u89e6\u4e0d\u826f\u6216\u7aef\u9762\u5212\u4f24\uff1b\u800c\u4e00\u6bb5\u5f02\u5e38\u5e73\u7f13\u7684\u659c\u5761\uff0c\u5219\u53ef\u80fd\u6697\u793a\u7740\u6574\u6bb5\u5149\u7ea4\u8001\u5316\u6216\u53d7\u6f6e\u3002<\/span><\/span><\/p>\n


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\u5728\u8d77\u70b9\u5904\u6709\u4e00\u4e2a\u8d77\u70b9\u5cf0\uff0c\u662f\u83f2\u6d85\u5c14\u53cd\u5c04\u9020\u6210\u7684\u2014\u2014\u5149\u4ece\u7a7a\u6c14\uff08\u8fde\u63a5\u5668\u7aef\u9762\uff09\u7a81\u7136\u8fdb\u5165\u73bb\u7483\uff08\u5149\u7ea4\u7ea4\u82af\uff09\uff0c\u6298\u5c04\u7387\u7a81\u53d8\u3002\u8fd9\u4e2a\u5cf0\u8d8a\u9ad8\u8d8a\u5c16\uff0c\u8bf4\u660e\u7aef\u9762\u8d8a\u5e72\u51c0\u3001\u63a5\u89e6\u8d8a\u7d27\u5bc6\u3002\u5bf9\u5e94\u7684\uff0c\u5728\u7ec8\u70b9\u4e5f\u4f1a\u6709\u4e00\u4e2a\u7ec8\u70b9\u5cf0\u3002<\/span><\/span><\/p>\n


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\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u66f2\u7ebf\u4f1a\u662f\u4e00\u4e2a\u5e73\u6ed1\u659c\u7ebf\uff0c\u662f\u5149\u7ea4\u7684\u56fa\u6709\u635f\u8017\u3002\u659c\u7387\u7b49\u4e8e\u5149\u7ea4\u7684\u635f\u8017\u503c\uff08dB\/km\uff09\u3002<\/span><\/span><\/p>\n


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OTDR\u8fd8\u6709\u4e00\u4e2a\u5173\u952e\u6982\u5ff5\u2014\u2014<\/span>\u76f2\u533a<\/span>\u3002<\/span><\/span><\/p>\n


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\u76f2\u533a\uff0c\u6307\u7684\u662fOTDR\u5728\u5f3a\u53cd\u5c04\u4e8b\u4ef6\uff08\u6bd4\u5982\u8fde\u63a5\u5668\u7aef\u9762\uff09\u4e4b\u540e\uff0c\u56e0\u63a5\u6536\u5668\u6682\u65f6\u201c\u5931\u660e\u201d\u800c\u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u7d27\u90bb\u5176\u540e\u5fae\u5f31\u4e8b\u4ef6\u7684\u4e00\u6bb5\u8ddd\u79bb\u3002\u5b83\u5c31\u50cf\u4eba\u773c\u4ece\u5f3a\u5149\u4e0b\u8f6c\u8eab\u770b\u6697\u5904\u65f6\u7684\u77ed\u6682\u6a21\u7cca\u2014\u2014\u4e0d\u662f\u4eea\u5668\u574f\u4e86\uff0c\u800c\u662f\u7269\u7406\u6781\u9650\u3002<\/span><\/span><\/p>\n


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\u76f2\u533a\u5206\u4e3a\u4e24\u7c7b\uff1a\u4e8b\u4ef6\u76f2\u533a\uff08EDZ\uff0c\u901a\u5e381\u20135\u7c73\uff0c\u5f71\u54cd\u8fd1\u7aef\u63a5\u5934\u5224\u522b\uff09\u548c\u8870\u51cf\u76f2\u533a\uff08ADZ\uff0c\u7ea610\u201320\u7c73\uff0c\u5f71\u54cd\u635f\u8017\u6d4b\u91cf\u7cbe\u5ea6\uff09\u3002<\/span><\/span><\/p>\n


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\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u9009\u77ed\u8109\u5bbd\u3001\u9ad8\u5206\u8fa8\u7387\u6a21\u5f0f\u53ef\u538b\u7f29\u76f2\u533a\u3002\u800c\u4f7f\u7528\u201c\u5e26\u5c3e\u7ea4\u7684OTDR\u201d\u6216\u201c\u73af\u56de\u6d4b\u8bd5\u6cd5\u201d\uff0c\u80fd\u6709\u6548\u907f\u5f00\u76f2\u533a\u201c\u6b7b\u89d2\u201d\u3002<\/span><\/span><\/p>\n


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\u7b2c\u4e03\u6b65\uff0c\u6570\u636e\u4fdd\u5b58\u3002<\/span><\/span><\/p>\n


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\u6d4b\u8bd5\u7684\u7ed3\u679c\u66f2\u7ebf\uff0cOTDR\u662f\u53ef\u4ee5\u8fdb\u884c\u4fdd\u5b58\u7684\u3002\u4e00\u822c\u4fdd\u5b58\u4e3a\u6807\u51c6\u683c\u5f0f\uff08\u5982 .sor \u6216 .trc\uff09\uff0c\u5e76\u6807\u6ce8\u65f6\u95f4\u3001\u5730\u70b9\u3001\u5149\u7ea4\u7f16\u53f7\u3001\u6ce2\u957f\u3001\u6d4b\u8bd5\u4eba\u5458\u7b49\u5173\u952e\u4fe1\u606f\u3002<\/span><\/span><\/p>\n


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\u2588<\/span><\/span><\/span> <\/span><\/span>\u7ed3\u8bed<\/span><\/span><\/p>\n


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OTDR\u7684\u7cbe\u51c6\u5ea6\uff0c70%\u5728\u4e8e\u6e05\u6d01\u4e0e\u8fde\u63a5\uff0c20%\u5728\u4e8e\u53c2\u6570\u8bbe\u7f6e\uff0c10%\u5728\u4e8e\u66f2\u7ebf\u5224\u8bfb\u3002\u4e25\u683c\u6267\u884c \u201c\u5148\u6e05\u6d01\u3001\u518d\u8fde\u63a5\u3001\u5148\u81ea\u52a8\u3001\u540e\u7cbe\u8c03\u3001\u53cc\u5411\u6d4b\u3001\u5b58\u66f2\u7ebf\u201d \u7684\u6807\u51c6\u6d41\u7a0b\uff0c\u662f\u83b7\u5f97\u53ef\u9760\u6570\u636e\u3001\u51c6\u786e\u5b9a\u4f4d\u6545\u969c\u7684\u6839\u672c\u4fdd\u8bc1\u3002<\/span><\/span><\/p>\n


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\u76ee\u524d\u770b\u6765\uff0c\u5149\u7ea4\u901a\u4fe1\u4ecd\u7136\u662f\u672a\u6765\u51e0\u5341\u5e74\u4eba\u7c7b\u6700\u4e3b\u8981\u7684\u6709\u7ebf\u901a\u4fe1\u4ecb\u8d28\uff0c\u5c06\u5927\u91cf\u5e94\u7528\u4e8e\u57fa\u7ad9\u56de\u4f20\u3001\u5bbd\u5e26\u5165\u6237\u3001\u6570\u636e\u4e2d\u5fc3\u7b49\u5173\u952e\u573a\u666f\u3002\u800cOTDR\uff0c\u6b63\u662f\u5b88\u62a4\u8fd9\u5f20\u201c\u5149\u5e95\u5ea7\u7f51\u7edc\u201d\u7684\u6700\u6709\u6548\u624b\u6bb5\u3002\u719f\u7ec3\u638c\u63e1OTDR\u7684\u4f7f\u7528\uff0c\u662f\u4e00\u4e2a\u5149\u901a\u4fe1\u5de5\u7a0b\u5e08\u7684\u201c\u57fa\u672c\u529f\u201d\u3002<\/span><\/span><\/p>\n


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\u90a3\u4e48\uff0c\u4f60\u5b66\u5e9f\u4e86\u5417\uff1f<\/span><\/span><\/p>\n


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\u6587\u7ae0\u8f6c\u8f7d\u81ea\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u9c9c\u67a3\u8bfe\u5802<\/p>\n","protected":false},"excerpt":{"rendered":"

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