{"id":7899,"date":"2026-07-15T10:30:32","date_gmt":"2026-07-15T02:30:32","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=7899"},"modified":"2026-07-15T10:33:19","modified_gmt":"2026-07-15T02:33:19","slug":"%e5%85%89%e9%80%9a%e4%bf%a1%e6%b5%8b%e8%af%95%e5%85%a8%e6%99%af%ef%bc%9a%e5%b8%b8%e8%a7%81%e6%8c%87%e6%a0%87%e7%b2%be%e7%bb%86%e6%a2%b3%e7%90%86%e4%b8%8e%e6%b5%8b%e8%af%95%e6%96%b9%e6%b3%95%e8%ae%ba","status":"publish","type":"post","link":"http:\/\/www.comtest.cn\/?p=7899","title":{"rendered":"\u5149\u901a\u4fe1\u6d4b\u8bd5\u5168\u666f\uff1a\u5e38\u89c1\u6307\u6807\u7cbe\u7ec6\u68b3\u7406\u4e0e\u6d4b\u8bd5\u65b9\u6cd5\u8bba"},"content":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7\u201c\u5149\u901a\u4fe1\u6d4b\u8bd5\u6f2b\u8c08\u201d<\/p><p>\u5149\u901a\u4fe1\u53d1\u5c55\u5982\u65e5\u4e2d\u5929\u7684\u4eca\u5929\uff0c\u4e86\u89e3\u5149\u5b66\u6d4b\u8bd5\u7684\u4e00\u4e9b\u6d4b\u8bd5\u6307\u6807\u548c\u53c2\u6570\u592a\u6709\u5fc5\u8981\u4e86\u3002\u968f\u7740\u4f20\u8f93\u901f\u7387\u5411\u5355\u6ce2 200G \u751a\u81f3\u66f4\u9ad8\u6f14\u8fdb\uff0c\u7269\u7406\u5c42\u6d4b\u8bd5\u7684\u5bb9\u9519\u7a7a\u95f4\u88ab\u538b\u7f29\u5230\u4e86\u6781\u81f4\u3002\u65e0\u8bba\u662f\u5e94\u5bf9 LPO \u7684\u4f4e\u529f\u8017\u9650\u5236\uff0c\u8fd8\u662f CPO \u7684\u9ad8\u5bc6\u5ea6\u96c6\u6210\uff0c\u56de\u5f52\u6700\u5e95\u5c42\u3001\u6700\u57fa\u7840\u7684\u5149\u5b66\u4e0e\u7535\u5b66\u6307\u6807\uff0c\u5e76\u5398\u6e05\u5176\u80cc\u540e\u7684\u6d4b\u8bd5\u903b\u8f91\uff0c\u662f\u6bcf\u4e00\u4f4d\u5149\u6a21\u5757\u7814\u53d1\u4e0e\u6d4b\u8bd5\u5de5\u7a0b\u5e08\u7684\u5e95\u5c42\u57fa\u672c\u529f\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/opticaltest.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"960\" height=\"407\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/opticaltest.jpg\" alt=\"\" class=\"wp-image-7904\" style=\"width:800px\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/opticaltest.jpg 960w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/opticaltest-300x127.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/opticaltest-768x326.jpg 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/opticaltest-496x210.jpg 496w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/opticaltest-600x254.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/opticaltest-64x27.jpg 64w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/a><\/figure><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h1 class=\"wp-block-heading\">\u4e00\u3001 \u5149\u6e90\u53ca\u5149\u8c31\u7279\u6027\u6307\u6807\uff08Spectral Characteristics\uff09<\/h1><p>\u5728\u591a\u6a21 LED \u6216\u5355\u7eb5\u6a21\uff08SLM\uff09\u6fc0\u5149\u5668\u7684\u6d4b\u8bd5\u4e2d\uff0c\u5149\u8c31\u7684\u7cbe\u7ec6\u7ed3\u6784\u76f4\u63a5\u51b3\u5b9a\u4e86\u8272\u6563\u4ee3\u4ef7\u3002<\/p><h2 class=\"wp-block-heading\">1. \u5e73\u5747\u6ce2\u957f (Mean Wavelength)<\/h2><p>\u5e73\u5747\u6ce2\u957f\u4ee3\u8868\u5149\u8c31\u6d4b\u8bd5\u66f2\u7ebf\u4e0a\u6240\u6709\u6d4b\u8bd5\u70b9\u7684\u4e2d\u5fc3\u6ce2\u957f\u3002\u5728\u5de5\u7a0b\u4e0a\uff0c\u5b83\u901a\u8fc7\u5404\u4e2a\u6d4b\u8bd5\u70b9\u7684\u529f\u7387\u8fdb\u884c\u52a0\u6743\u8ba1\u7b97\u5f97\u51fa\uff1a<strong>\u5e73\u5747\u6ce2\u957f = \u67d0\u70b9\u529f\u7387\u4e0e\u603b\u529f\u7387\u4e4b\u6bd4\u518d\u4e58\u4ee5\u8be5\u70b9\u6ce2\u957f\uff0c\u6700\u540e\u5c06\u6240\u6709\u70b9\u7684\u7ed3\u679c\u8fdb\u884c\u7d2f\u52a0\u3002<\/strong>\u8be5\u6307\u6807\u53cd\u6620\u4e86\u5149\u8c31\u80fd\u91cf\u5206\u5e03\u7684\u5b8f\u89c2\u91cd\u5fc3\u3002<\/p><h2 class=\"wp-block-heading\">2. \u4e2d\u5fc3\u6ce2\u957f (Center Wavelength)<\/h2><p>\u4e2d\u5fc3\u6ce2\u957f\u6307\u5149\u6e90\u52a0\u6743\u5e73\u5747\u7684\u771f\u7a7a\u6ce2\u957f\uff0c<strong>\u5178\u578b\u60c5\u51b5\u4e0b\u4e0e\u5e73\u5747\u6ce2\u957f\u6781\u4e3a\u63a5\u8fd1\u3002<\/strong><strong>\u8fde\u7eed\u5149\u8c31<\/strong>\u5b9a\u4e49\u4e3a\uff1a\u8c31\u529f\u7387\u5bc6\u5ea6\u4e0e\u6ce2\u957f\u4e58\u79ef\u7684\u79ef\u5206\uff0c\u9664\u4ee5\u8c31\u529f\u7387\u5bc6\u5ea6\u7684\u79ef\u5206\u3002<strong>\u5206\u79bb\u5149\u8c31<\/strong>\u5b9a\u4e49\u4e3a\uff1a\u5404\u5206\u7acb\u6ce2\u957f\u529f\u7387\u4e0e\u6ce2\u957f\u4e58\u79ef\u7684\u7d2f\u52a0\uff0c\u9664\u4ee5\u5404\u5206\u7acb\u6ce2\u957f\u529f\u7387\u7684\u7d2f\u52a0\u3002 \u4e2d\u5fc3\u6ce2\u957f\u7684\u6f02\u79fb\u4f1a\u76f4\u63a5\u5e26\u6765\u8272\u5ea6\u8272\u6563\u4ee3\u4ef7\u7684\u53d8\u5316\u3002<\/p><h2 class=\"wp-block-heading\">3. \u5cf0\u503c\u6ce2\u957f (Peak Wavelength)<\/h2><p>\u6307\u5728\u6574\u4e2a\u5149\u8c31\u66f2\u7ebf\u4e0a\u5e45\u5ea6\u6700\u5927\u70b9\uff08\u5373\u80fd\u91cf\u6700\u9ad8\u70b9\uff09\u6240\u5bf9\u5e94\u7684\u6ce2\u957f\u3002\u5728 DFB \u7b49\u5355\u7eb5\u6a21\u6fc0\u5149\u5668\u4e2d\uff0c\u5cf0\u503c\u6ce2\u957f\u5373\u4e3a\u4e3b\u7eb5\u6a21\u6ce2\u957f\u3002<\/p><h2 class=\"wp-block-heading\">4. \u5cf0\u503c\u5bc6\u5ea6 (Peak Density @ 1nm)<\/h2><p>\u5728 LED \u6d4b\u8bd5\u4e2d\uff0c\u8be5\u6307\u6807\u5b9a\u4e49\u4e3a\u5cf0\u503c\u6ce2\u957f\u5904\u5f52\u4e00\u5316\u4e3a 1nm \u5e26\u5bbd\u7684\u529f\u7387\u5bc6\u5ea6\u503c\u3002<strong>\u5176\u8ba1\u7b97\u65b9\u5f0f\u4e3a\uff1a\u5cf0\u503c\u5bc6\u5ea6 = \u5cf0\u503c\u5904\u529f\u7387 \/ \u5cf0\u503c\u6ce2\u957f\u5904\u7684\u6d4b\u8bd5\u5206\u8fa8\u7387\u5e26\u5bbd\uff0c<\/strong>\u5b83\u6392\u9664\u4e86\u5149\u8c31\u5206\u6790\u4eea\uff08OSA\uff09\u81ea\u8eab\u5206\u8fa8\u7387\u5e26\u5bbd\uff08RBW\uff09\u7684\u5e72\u6270\uff0c\u8868\u5f81\u4e86\u5149\u6e90\u771f\u6b63\u7684\u8c31\u529f\u7387\u96c6\u4e2d\u5ea6\u3002<\/p><h2 class=\"wp-block-heading\">5. Sigma \u8c31\u5bbd<\/h2><p>\u57fa\u4e8e\u9ad8\u65af\u5206\u5e03\u5047\u8bbe\u7684 LED \u8c31\u5bbd RMS\uff08\u5747\u65b9\u6839\u8c31\u5bbd\uff09\u503c\u3002\u8ba1\u7b97\u65f6\u901a\u8fc7\u5e73\u5747\u6ce2\u957f\u3001\u5404\u70b9\u529f\u7387\u4e0e\u603b\u529f\u7387\u8fdb\u884c\u5747\u65b9\u6839\u52a0\u6743\uff1a<strong>Sigma = \u6839\u53f7\u4e0b\u3010\u5404\u70b9\u529f\u7387\u4e0e\u603b\u529f\u7387\u4e4b\u6bd4\uff0c\u4e58\u4ee5\uff08\u8be5\u70b9\u6ce2\u957f &#8211; \u5e73\u5747\u6ce2\u957f\uff09\u7684\u5e73\u65b9\uff0c\u518d\u8fdb\u884c\u5404\u9879\u7d2f\u52a0\u3011\u3002<\/strong>\u8fd9\u662f\u8bc4\u4f30 LED \u8fd9\u79cd\u5bbd\u5149\u6e90\u5728\u5149\u7ea4\u4e2d\u4f20\u8f93\u65f6\u8272\u6563\u6548\u5e94\u7684\u5173\u952e\u53c2\u6570\u3002<\/p><h2 class=\"wp-block-heading\">6. 3dB \u8c31\u5bbd<\/h2><p>\u7531 LED \u5149\u8c31\u66f2\u7ebf\u4e0a\u4ece\u5cf0\u503c\u70b9\u4e24\u8fb9\u5404\u4e0b\u964d 3dB\uff08\u5373\u529f\u7387\u964d\u4f4e\u4e3a\u5cf0\u503c\u7684\u4e00\u534a\uff09\u5bf9\u5e94\u7684\u4e24\u70b9\u95f4\u7684\u6ce2\u957f\u95f4\u9694\u786e\u5b9a\u3002\u5b83\u76f4\u89c2\u53cd\u6620\u4e86<strong>\u4e3b\u80fd\u91cf\u5e26\u7684\u5bbd\u5ea6<\/strong>\u3002<\/p><h2 class=\"wp-block-heading\">7. \u534a\u529f\u7387\u70b9\u8c31\u5bbd (FWHM)<\/h2><p>\u5373 Full Width Half Max\uff08\u534a\u9ad8\u5168\u5bbd\u8c31\u5bbd\uff09\u3002\u5176\u529f\u7387\u8c31\u5bc6\u5ea6\u540c\u6837\u5bf9\u5e94\u5cf0\u503c\u5e45\u5ea6\u7684\u4e00\u534a\uff0c<strong>\u5178\u578b\u60c5\u51b5\u4e0b\u4e0e 3dB \u5bbd\u5ea6\u9ad8\u5ea6\u4e00\u81f4<\/strong>\u3002\u5728\u5b9e\u9645\u4eea\u8868\u6d4b\u8bd5\u4e2d\uff0cFWHM \u5e38\u901a\u8fc7 Sigma \u8c31\u5bbd\u95f4\u63a5\u8ba1\u7b97\u5f97\u5230\uff08\u5bf9\u4e8e\u7406\u60f3\u9ad8\u65af\u8c31\uff09\uff1a<strong>FWHM \u7ea6\u4e3a 2.355 \u4e58\u4ee5 Sigma<\/strong><\/p><h2 class=\"wp-block-heading\">8. \u8fb9\u6a21\u6291\u5236\u6bd4 (SMSR)<\/h2><p>\u5355\u7eb5\u6a21\u6fc0\u5149\u5668\uff08\u5982 DFB\u3001EML\uff09\u7684\u6838\u5fc3\u6307\u6807\u3002\u5b9a\u4e49\u4e3a<strong>\u4e3b\u7eb5\u6a21\u7684\u5cf0\u503c\u5149\u529f\u7387\u4e0e\u6700\u663e\u8457\u8fb9\u6a21\uff08\u6b21\u9ad8\u5149\u9ad8\uff09\u7684\u5cf0\u503c\u5149\u529f\u7387\u4e4b\u6bd4<\/strong>\u3002SMSR \u6076\u5316\u4f1a\u5bfc\u81f4\u591a\u6a21\u6548\u5e94\uff0c\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u4e2d\u5f15\u53d1\u4e25\u91cd\u7684\u8272\u6563\u60e9\u7f5a\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMSR.png\"><img decoding=\"async\" width=\"544\" height=\"360\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMSR.png\" alt=\"\" class=\"wp-image-7900\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMSR.png 544w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMSR-300x199.png 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMSR-453x300.png 453w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMSR-64x42.png 64w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/><\/a><\/figure><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h1 class=\"wp-block-heading\">\u4e8c\u3001 \u94fe\u8def\u4f20\u8f93\u4e0e\u94fe\u8def\u5b8c\u6574\u6027\u6307\u6807\uff08Link Integrity\uff09<\/h1><p>\u5149\u4fe1\u53f7\u5728\u7269\u7406\u94fe\u8def\u4e2d\u4f20\u8f93\u65f6\uff0c\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u9762\u5bf9\u8870\u51cf\u3001\u53cd\u5c04\u4ee5\u53ca\u5404\u7c7b\u8272\u6563\u5f15\u8d77\u7684\u6ce2\u5f62\u7578\u53d8\u3002<\/p><h2 class=\"wp-block-heading\">9. \u5149\u4fe1\u566a\u6bd4 (OSNR)<\/h2><p>WDM\uff08\u6ce2\u5206\u590d\u7528\uff09\u7cfb\u7edf\u4e2d\u6700\u5173\u952e\u7684\u6027\u80fd\u6307\u6807\u3002\u5b9a\u4e49\u4e3a<strong>\u901a\u8def\u5185\u4fe1\u53f7\u529f\u7387\u4e0e\u566a\u58f0\u529f\u7387\u7684\u6bd4\u503c<\/strong>\u3002\u89c4\u8303\u8981\u6c42\u5728 0.1nm \u7684\u6709\u6548\u53c2\u8003\u5e26\u5bbd\u5185\u6d4b\u91cf\uff1a\u4fe1\u53f7\u529f\u7387\u53d6\u5cf0\u5cf0\u503c\u3002\u566a\u58f0\u529f\u7387\u901a\u5e38\u53d6\u76f8\u90bb\u901a\u8def\u4e2d\u95f4\u70b9\u7684\u529f\u7387\u7535\u5e73\u3002\u6d4b\u8bd5\u65f6\uff0c\u9700\u5c06 OSA \u7684\u5206\u8fa8\u7387\u5e26\u5bbd\u8bbe\u7f6e\u4e3a 0.1nm\u3002<\/p><h2 class=\"wp-block-heading\">10. \u56de\u6ce2\u635f\u8017 (Return Loss)<\/h2><p>\u5149\u7a7f\u8fc7\u5149\u5b66\u90e8\u4ef6\uff08\u5982\u8fde\u63a5\u5668\u3001\u9002\u914d\u5668\uff09\u65f6\uff0c\u53cd\u5c04\u5149\u529f\u7387\u4e0e\u5165\u5c04\u5149\u529f\u7387\u4e4b\u6bd4\u7684\u8d1f\u5bf9\u6570\u8868\u73b0\uff1a<strong>\u56de\u6ce2\u635f\u8017(dB) = -10 * log(\u53cd\u5c04\u5149\u529f\u7387 \/ \u5165\u5c04\u5149\u529f\u7387)\uff0c<\/strong>\u56de\u635f\u8d8a\u5c0f\uff08\u7edd\u5bf9\u503c\u8d8a\u5927\uff09\uff0c\u8bf4\u660e\u53cd\u5c04\u8d8a\u5f31\u3002<\/p><h2 class=\"wp-block-heading\">11. \u4e8b\u4ef6\u76f2\u533a\u957f\u5ea6 (Event Dead Zone)<\/h2><p>\u4f7f\u7528 OTDR\uff08\u5149\u65f6\u57df\u53cd\u5c04\u8ba1\uff09\u6d4b\u8bd5\u65f6\u7684\u5173\u952e\u6307\u6807\u3002\u5bf9\u4e8e\u7279\u5b9a\u7684\u53cd\u5c04\u4e8b\u4ef6\uff0c\u5176<strong>\u53cd\u5c04\u4fe1\u53f7\u8ff9\u7ebf\u4ece\u53cd\u5c04\u5cf0\u503c\u70b9\u4e0b\u964d 1.5dB \u7684\u4e24\u70b9\u95f4\u7684\u663e\u793a\u8ddd\u79bb\uff0c\u5176\u5728\u6a2a\u5750\u6807\uff08\u8ddd\u79bb\uff09\u4e0a\u7684\u6295\u5f71\u5373\u4e3a\u4e8b\u4ef6\u76f2\u533a\u957f\u5ea6\u3002\u5b83\u51b3\u5b9a\u4e86\u4eea\u8868\u533a\u5206\u4e24\u4e2a\u76f8\u90bb\u53cd\u5c04\u4e8b\u4ef6\u7684\u80fd\u529b\u3002<\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/DZ.png\"><img decoding=\"async\" width=\"672\" height=\"372\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/DZ.png\" alt=\"\" class=\"wp-image-7901\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/DZ.png 672w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/DZ-300x166.png 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/DZ-496x275.png 496w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/DZ-600x332.png 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/DZ-64x35.png 64w\" sizes=\"(max-width: 672px) 100vw, 672px\" \/><\/a><\/figure><\/div><h2 class=\"wp-block-heading\">12. \u8870\u51cf\u76f2\u533a\u957f\u5ea6 (Attenuation Dead Zone)<\/h2><p>\u6307\u5728\u53cd\u5c04\u6216\u8870\u51cf\u4e8b\u4ef6\u4e4b\u540e\u7684\u76f2\u533a\u533a\u57df\u3002\u59cb\u7aef\u4e3a\u4e8b\u4ef6\u524d\u6cbf\u4e0a\u5347\u70b9\uff0c\u672b\u7aef\u4e3a OTDR \u663e\u793a\u7684\u8f68\u8ff9\u504f\u79bb\u672a\u88ab\u5e72\u6270\u7684\u80cc\u666f\u8f68\u8ff9\u8d85\u8fc7\u4e00\u4e2a\u7ed9\u5b9a\u7eb5\u5750\u6807\uff08dB\uff09\u7684\u70b9\uff0c\u5176\u5728\u6a2a\u5750\u6807\uff08\u8ddd\u79bb\uff09\u4e0a\u7684\u6295\u5f71\u957f\u5ea6\u5373\u4e3a\u8870\u51cf\u76f2\u533a\u957f\u5ea6\u3002<\/p><h2 class=\"wp-block-heading\">13. \u5149\u7ea4\u635f\u8017 (Optical Fiber Attenuation)<\/h2><p>\u5b9a\u4e49\u4e3a\u6bcf\u5355\u4f4d\u957f\u5ea6\u5149\u7ea4\u5149\u529f\u7387\u8870\u51cf\u7684 dB \u6570\uff1a<strong>\u5149\u7ea4\u635f\u8017 = -10 * log(\u8f93\u51fa\u5149\u529f\u7387 \/ \u8f93\u5165\u5149\u529f\u7387) \/ \u5149\u7ea4\u957f\u5ea6\uff0c<\/strong>\u8fd9\u662f\u8bc4\u4f30\u5149\u94fe\u8def\u8870\u51cf\u6700\u57fa\u7840\u7684\u6307\u6807\u3002<\/p><h2 class=\"wp-block-heading\">14. \u5dee\u5206\u7fa4\u65f6\u5ef6 (DGD)<\/h2><p>\u7531\u504f\u632f\u6a21\u8272\u6563\u5f15\u8d77\u7684\u3001\u4e00\u4e2a\u7ed9\u5b9a\u6ce2\u957f\u7684\u4e24\u4e2a\u6b63\u4ea4\u504f\u632f\u4e3b\u6001\u6a21\u5f0f\u7ecf\u8fc7\u7ed9\u5b9a\u4f20\u8f93\u901a\u9053\u7684\u65f6\u95f4\u5dee\u3002<\/p><h2 class=\"wp-block-heading\">15. \u504f\u632f\u6a21\u8272\u6563 (PMD)<\/h2><p>\u7531\u4e8e<strong>\u5355\u6a21\u5149\u7ea4\u5185\u90e8\u5b58\u5728\u4e0d\u5706\u5ea6\u3001\u5185\u90e8\u5e94\u529b\u7b49\u4e0d\u5b8c\u5584\u6027\uff0c\u7834\u574f\u4e86\u5706\u5bf9\u79f0\u7ed3\u6784\uff0c\u5bfc\u81f4\u57fa\u6a21\u7684\u4e24\u4e2a\u6b63\u4ea4\u504f\u632f\u6a21\u4ee5\u4e0d\u540c\u7684\u7fa4\u901f\u5ea6\u4f20\u8f93\uff0c\u5bfc\u81f4\u5149\u8109\u51b2\u5c55\u5bbd\u3002<\/strong>PMD \u5728\u6570\u5b57\u7cfb\u7edf\u4e2d\u5f15\u8d77\u8109\u51b2\u5c55\u5bbd\uff0c\u5728\u6a21\u62df\u7cfb\u7edf\u4e2d\u5f15\u8d77\u4fe1\u53f7\u5931\u771f\u3002\u5176\u5f15\u8d77\u7684\u5dee\u5206\u7fa4\u65f6\u5ef6\uff08DGD\uff09\u4e0e\u5149\u7ea4\u957f\u5ea6\u7684\u5e73\u65b9\u6839\u6210\u6b63\u6bd4\u3002<\/p><h2 class=\"wp-block-heading\">16. \u8272\u5ea6\u8272\u6563 (CD)<\/h2><p>\u7531\u4e8e\u5149\u5728\u5149\u7ea4\u4e2d\u4f20\u64ad\u65f6\uff0c<strong>\u4e0d\u540c\u6ce2\u957f\u7684\u5149\u6ce2\u7fa4\u65f6\u5ef6\u4e0d\u4e00\u6837\u6240\u8868\u73b0\u51fa\u8109\u51b2\u5c55\u5bbd<\/strong>\u7684\u7269\u7406\u73b0\u8c61\u3002<\/p><h2 class=\"wp-block-heading\">17. \u8272\u6563\u7cfb\u6570<\/h2><p>\u5149\u7ea4\u7684\u5f52\u4e00\u5316\u7fa4\u65f6\u5ef6\u5bf9\u6ce2\u957f\u7684\u5bfc\u6570\uff1a<strong>\u8272\u6563\u7cfb\u6570 = \u7fa4\u65f6\u5ef6\u7684\u53d8\u5316\u91cf \/ \u6ce2\u957f\u7684\u53d8\u5316\u91cf<\/strong>\uff0c\u5355\u4f4d\u4e3a ps\/(km\u00b7nm)\u5b83\u662f\u8861\u91cf\u5149\u7ea4\u6bcf\u516c\u91cc\u3001\u6bcf\u7eb3\u7c73\u6ce2\u957f\u8bf1\u5bfc\u591a\u5c11\u5ef6\u8fdf\u5c55\u5bbd\u7684\u91cf\u5316\u6307\u6807\u3002<\/p><h2 class=\"wp-block-heading\">18. \u96f6\u8272\u6563\u6ce2\u957f<\/h2><p><strong>\u8272\u6563\u7cfb\u6570\u4e3a\u96f6\u65f6\u5bf9\u5e94\u70b9\u7684\u6ce2\u957f<\/strong>\u3002\u5728\u975e\u7ebf\u6027\u6548\u5e94\u6d4b\u8bd5\u4e2d\uff0c\u5de5\u4f5c\u6ce2\u957f\u9760\u8fd1\u96f6\u8272\u6563\u6ce2\u957f\u6781\u6613\u6fc0\u53d1\u51fa\u5f3a\u70c8\u7684\u56db\u6ce2\u6df7\u9891\uff08FWM\uff09\u3002<\/p><h2 class=\"wp-block-heading\">19. \u8272\u6563\u659c\u7387<\/h2><p>\u5149\u7ea4\u7684\u8272\u6563\u7cfb\u6570\u5bf9\u4e8e\u6ce2\u957f\u7684\u5bfc\u6570\uff1a<strong>\u8272\u6563\u659c\u7387 = \u8272\u6563\u7cfb\u6570\u7684\u53d8\u5316\u91cf \/ \u6ce2\u957f\u7684\u53d8\u5316\u91cf<\/strong>\uff0c\u5355\u4f4d\u4e3a ps\/(km\u00b7nm^2)\uff0c\u51b3\u5b9a\u4e86\u591a\u901a\u9053 WDM \u7cfb\u7edf\u4e2d\u5404\u901a\u9053\u8272\u6563\u4e0d\u5747\u5300\u7684\u4e25\u91cd\u7a0b\u5ea6\u3002<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h1 class=\"wp-block-heading\">\u4e09\u3001 \u5149\u7ea4\u51e0\u4f55\u4e0e\u6ce2\u5bfc\u7269\u7406\u7279\u6027\uff08Geometric Parameters\uff09<\/h1><p>\u5149\u7ea4\u81ea\u8eab\u7684\u5fae\u7c73\u7ea7\u51e0\u4f55\u5f62\u53d8\uff0c\u662f\u5f15\u53d1\u9ad8\u9636\u6a21\u6001\u8272\u6563\u3001\u504f\u632f\u8272\u6563\u4ee5\u53ca\u8fde\u63a5\u5668\u8026\u5408\u635f\u8017\u7684\u6839\u672c\u539f\u56e0\u3002<\/p><h2 class=\"wp-block-heading\">21. \u6a21\u573a\u76f4\u5f84 (MFD)<\/h2><p>\u5355\u6a21\u5149\u7ea4\u4e2d\u57fa\u6a21\u80fd\u91cf\u5448\u9ad8\u65af\u5206\u5e03\uff0c\u7535\u573a\u548c\u78c1\u573a\u5f3a\u5ea6\u964d\u4f4e\u5230\u6700\u5927\u503c\u7684 1\/e \u5904\uff08\u76f8\u5f53\u4e8e\u8f90\u5c04\u529f\u7387\u964d\u4f4e\u5230\u6700\u5927\u529f\u7387\u7684 1\/e \u5904\uff09\u7684\u76f4\u5f84\u3002<strong>MFD \u51b3\u5b9a\u4e86\u5149\u7ea4\u5bf9\u63a5\u65f6\u7684\u5bf9\u51c6\u5bb9\u9650\u4ee5\u53ca\u5bf9\u5f2f\u66f2\u635f\u8017\u7684\u654f\u611f\u5ea6\u3002<\/strong><\/p><h2 class=\"wp-block-heading\">22. \u622a\u6b62\u6ce2\u957f (Cutoff Wavelength)<\/h2><p><strong>\u5355\u6a21\u5149\u7ea4\u5728\u7279\u5b9a\u7684\u5927\u66f2\u7387\u534a\u5f84\uff08\u5b8f\u5f2f\uff09\u4e0b\uff0c\u4e0e\u540c\u6ce2\u957f\u4e0b\u5fae\u5206\u6a21\u8870\u51cf\u4e0d\u53d8\u7684\u5149\u7ea4\u76f8\u6bd4\uff0c\u4e8c\u6b21\u6a21\u51fa\u73b0\u800c\u5f15\u8d77\u8870\u51cf\u660e\u663e\u589e\u52a0\u7684\u6ce2\u957f\u3002<\/strong>\u5b9e\u9645\u5de5\u7a0b\u4e2d\uff0c\u6210\u7f06\u5149\u7ea4\u7684\u622a\u6b62\u6ce2\u957f\u66f4\u5177\u53c2\u8003\u610f\u4e49\uff0c\u4e14\u901a\u5e38\u5c0f\u4e8e\u5355\u6a21\u5149\u7ea4\u622a\u6b62\u6ce2\u957f\u3002<\/p><h2 class=\"wp-block-heading\">23. \u6570\u503c\u5b54\u5f84 (NA)<\/h2><p>\u591a\u6a21\u5149\u7ea4\u7684\u7279\u5f81\u53c2\u6570\uff0c\u8868\u5f81<strong>\u5149\u7ea4\u6536\u96c6\u5149\u529f\u7387\u7684\u80fd\u529b<\/strong>\uff08\u53d7\u5149\u89d2\u5927\u5c0f\uff09\u3002NA \u8d8a\u5927\uff0c\u8026\u5408\u6548\u7387\u8d8a\u9ad8\uff0c\u4f46\u591a\u6a21\u8272\u6563\u4e5f\u8d8a\u4e25\u91cd\u3002<\/p><h2 class=\"wp-block-heading\">24. \u5149\u7ea4\u8c31\u635f\u8017\u4e0e\u8870\u51cf\u8c31<\/h2><p>\u5149\u7ea4\u8c31\u635f\u8017\u5b9a\u4e49\u4e3a<strong>\u6bcf\u5355\u4f4d\u957f\u5ea6\u5149\u7ea4\u5728\u7279\u5b9a\u6ce2\u957f\u4e0b\u7684\u8870\u51cf<\/strong>\uff1a\u5149\u7ea4\u8c31\u635f\u8017 = -10 * log(\u8f93\u51fa\u5149\u529f\u7387 \/ \u8f93\u5165\u5149\u529f\u7387) \/ \u5149\u7ea4\u957f\u5ea6\uff0c\u5355\u4f4d\u4e3a dB\/km\u5c06\u4e0d\u540c\u6ce2\u957f\u5bf9\u5e94\u7684\u8c31\u635f\u8017\u8fde\u63a5\u8d77\u6765\uff0c\u5373\u6784\u6210\u4e86\u5149\u7ea4\u8870\u51cf\u8c31\u3002<\/p><h2 class=\"wp-block-heading\">25. \u5149\u7ea4\u51e0\u4f55\u4e94\u5927\u5c3a\u5bf8\u53c2\u6570<\/h2><p>\u7cbe\u5bc6\u5bf9\u63a5\u6d4b\u8bd5\u4e2d\u5fc5\u987b\u4e25\u683c\u63a7\u5236\u7684\u7269\u7406\u8fb9\u754c\uff1a<\/p><ul class=\"wp-block-list\"><li>\u5305\u5c42\u76f4\u5f84\uff08Cladding diameter\uff09\u4e0e\u5305\u5c42\u5916\u6781\u9650\u6700\u62df\u5408\u7684\u5706\u7684\u76f4\u5f84\u3002<\/li>\n\n<li>\u5305\u5c42\u4e0d\u5706\u5ea6\uff08Cladding noncircularity\uff09\u5305\u5c42\u5916\u6781\u9650\u6700\u62df\u5408\u5706\u4e0e\u5185\u6781\u9650\u6700\u62df\u5408\u5706\u7684\u76f4\u5f84\u4e4b\u5dee\uff0c\u9664\u4ee5\u5305\u5c42\u76f4\u5f84\uff0c\u8868\u5f81\u504f\u79bb\u6b63\u5706\u7684\u767e\u5206\u6bd4\u3002<\/li>\n\n<li>\u82af\u5305\u540c\u5fc3\u5ea6\uff08Core and Cladding concentrictity\uff09\u591a\u6a21\u5149\u7ea4\u4e2d\u4e3a\u7ea4\u82af\u4e2d\u5fc3\u4e0e\u5305\u5c42\u4e2d\u5fc3\u8ddd\u79bb\u9664\u4ee5\u7ea4\u82af\u76f4\u5f84\uff1b\u5355\u6a21\u5149\u7ea4\u4e2d\u5b9a\u4e49\u4e3a\u7ea4\u82af\u4e2d\u5fc3\u548c\u5305\u5c42\u4e2d\u5fc3\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002<\/li>\n\n<li>\u7ea4\u82af\u76f4\u5f84\uff08Core diameter\uff09\u4e0e\u7ea4\u82af\u5916\u6781\u9650\u6700\u62df\u5408\u7684\u5706\u7684\u76f4\u5f84\u3002<\/li>\n\n<li>\u7ea4\u82af\u4e0d\u5706\u5ea6\uff08Core noncircularity\uff09\u7ea4\u82af\u5916\u6781\u9650\u6700\u62df\u5408\u5706\u4e0e\u5185\u6781\u9650\u6700\u62df\u5408\u5706\u7684\u76f4\u5f84\u4e4b\u5dee\uff0c\u9664\u4ee5\u7ea4\u82af\u76f4\u5f84\u3002<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMMM.png\"><img loading=\"lazy\" decoding=\"async\" width=\"479\" height=\"430\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMMM.png\" alt=\"\" class=\"wp-image-7902\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMMM.png 479w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMMM-300x269.png 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMMM-334x300.png 334w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/SMMM-64x57.png 64w\" sizes=\"(max-width: 479px) 100vw, 479px\" \/><\/a><\/figure><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h1 class=\"wp-block-heading\">\u56db\u3001 \u65f6\u57df\u3001\u7cfb\u7edf\u7ea7\u4e0e\u8bef\u7801\u6d4b\u8bd5\u6307\u6807\uff08System &amp; Bit-level Performance\uff09<\/h1><p>\u5728\u9ad8\u901f\u6570\u5b57\u5149\u4f20\u8f93\u4e2d\uff0c\u7535\u57df\u7684\u6296\u52a8\u4e0e\u5149\u57df\u7684\u6d88\u5149\u6bd4\u6700\u7ec8\u4ea4\u7ec7\u5728\u4e00\u8d77\uff0c\u5171\u540c\u51b3\u5b9a\u4e86\u7cfb\u7edf\u80fd\u8dd1\u51fa\u600e\u6837\u7684\u8bef\u7801\u7387\u66f2\u7ebf\u3002<\/p><h2 class=\"wp-block-heading\">26. \u6bd4\u7279\u7387 (Bitrate)<\/h2><p>\u901a\u4fe1\u7cfb\u7edf\u5728\u5355\u4f4d\u65f6\u95f4\uff08\u5e38\u4ee5\u79d2\u8ba1\uff09\u5185\u4f20\u8f93\u7684\u5e73\u5747\u6bd4\u7279\u6570\uff08\u5982 Gbps\uff09\u3002<\/p><h2 class=\"wp-block-heading\">27. \u5dee\u9519 (Error)<\/h2><p>\u5bf9\u4e8e\u6570\u5b57\u4f20\u8f93\u7cfb\u7edf\u800c\u8a00\uff0c\u53d1\u9001\u548c\u63a5\u6536\u5e8f\u5217\u4e2d\u5bf9\u5e94\u5355\u4e2a\u6570\u5b57\u7684\u4e0d\u4e00\u81f4\u53eb\u4f5c\u5dee\u9519\uff08\u8bef\u7801\uff09\u3002<\/p><h2 class=\"wp-block-heading\">28. \u8bef\u6bd4\u7279\u7387 (BER)<\/h2><p>\u4f20\u8f93\u7cfb\u7edf\u6700\u6838\u5fc3\u7684\u6307\u6807\uff1a\u8bef\u6bd4\u7279\u7387 = \u9519\u8bef\u7684\u6bd4\u7279\u6570 \/ \u4f20\u8f93\u7684\u603b\u6bd4\u7279\u6570\u5728\u5f53\u524d 800G\/1.6T \u65f6\u4ee3\uff0c\u7531\u4e8e\u7269\u7406\u5c42 SNR \u4e25\u91cd\u4e0d\u8db3\uff0c\u6211\u4eec\u5fc5\u987b\u4f9d\u8d56\u524d\u5411\u7ea0\u9519\uff08FEC\uff09\u3002\u56e0\u6b64\u6d4b\u8bd5\u4e2d\u9700\u4e25\u683c\u533a\u5206\u7ea0\u9519\u524d\u8bef\u7801\u7387\uff08Pre-FEC BER\uff09\u4e0e\u7ea0\u9519\u540e\u8bef\u7801\u7387\uff08Post-FEC BER\uff09\u3002<\/p><h2 class=\"wp-block-heading\">29. \u6296\u52a8 (Jitter) &amp; \u6f02\u79fb (Wander)<\/h2><p>\u6570\u5b57\u4fe1\u53f7\u7684\u5404\u4e2a\u6709\u6548\u77ac\u65f6\u5bf9\u5176\u7406\u60f3\u65f6\u95f4\u4f4d\u7f6e\u7684\u76f8\u4f4d\u504f\u79fb\u3002<\/p><ul class=\"wp-block-list\"><li>\u6296\u52a8 (Jitter)\uff1a\u53d8\u5316\u9891\u7387\u9ad8\u4e8e 10Hz \u7684\u77ed\u671f\u3001\u975e\u79ef\u7d2f\u6027\u504f\u79fb\u3002<\/li>\n\n<li>\u6f02\u79fb (Wander)\uff1a\u53d8\u5316\u9891\u7387\u4f4e\u4e8e 10Hz \u7684\u957f\u671f\u3001\u975e\u7d2f\u79ef\u6027\u504f\u79fb\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">30. \u8f93\u51fa\u6296\u52a8 (Output Jitter)<\/h2><p>\u5728\u8bbe\u5907\u3001\u6570\u5b57\u6bb5\u548c\u7cfb\u7edf\u7684\u8f93\u51fa\u7aef\u6240\u6d4b\u91cf\u7684\u6574\u4e2a\u6296\u52a8\u8868\u73b0\u3002<\/p><h2 class=\"wp-block-heading\">31. \u6296\u52a8\u8f6c\u79fb\u51fd\u6570 (Jitter Transfer Function)<\/h2><p>\u8861\u91cf\u6709\u591a\u5c11\u6296\u52a8\u7531\u7f51\u7edc\u8bbe\u5907\u7684\u8f93\u5165\u800c\u88ab\u4f20\u9001\u5230\u8f93\u51fa\u53e3\u7684\u4e00\u4e2a\u6307\u6807\uff0c\u4e5f\u79f0\u4e3a\u6296\u52a8\u4f20\u9012\u7279\u6027\u3002<\/p><h2 class=\"wp-block-heading\">32. \u8f93\u5165\u6296\u52a8\u5bb9\u9650 (Jitter Tolerance)<\/h2><p>\u63a5\u6536\u7aef\uff08Rx\uff09\u7684\u6838\u5fc3\u6307\u6807\u3002\u6307\u88ab\u6d4b\u8bbe\u5907\u6216\u7cfb\u7edf\u5728\u63a5\u6536\u7aef\u6240\u80fd\u5bb9\u8bb8\u7684\u6700\u5927\u5e45\u5ea6\u6296\u52a8\u800c\u4e0d\u4f1a\u4ea7\u751f\u6bd4\u7279\u8bef\u7801\u7684\u80fd\u529b\u3002<\/p><h2 class=\"wp-block-heading\">33. \u6d88\u5149\u6bd4 (Extinction Ratio, EX)<\/h2><p>\u5168\u8c03\u5236\u6761\u4ef6\u4e0b\uff0c\u4f20\u53f7\uff08\u903b\u8f91\u201c1\u201d\uff09\u5e73\u5747\u5149\u529f\u7387\u4e0e\u7a7a\u53f7\uff08\u903b\u8f91\u201c0\u201d\uff09\u5e73\u5747\u5149\u529f\u7387\u6bd4\u503c\u7684\u6700\u5c0f\u503c\uff1a<strong>\u6d88\u5149\u6bd4(dB) = 10 * lg(\u4f20\u53f7\u5e73\u5747\u5149\u529f\u7387 \/ \u7a7a\u53f7\u5e73\u5747\u5149\u529f\u7387)<\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/er.png\"><img loading=\"lazy\" decoding=\"async\" width=\"507\" height=\"537\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/er.png\" alt=\"\" class=\"wp-image-7903\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/er.png 507w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/er-283x300.png 283w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/er-300x318.png 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2026\/07\/er-64x68.png 64w\" sizes=\"(max-width: 507px) 100vw, 507px\" \/><\/a><\/figure><\/div><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u4e13\u5bb6\u5ba1\u89c6\uff1a\u5728\u4f20\u7edf NRZ \u65f6\u4ee3\uff0c\u6211\u4eec\u5728\u5927\u6d88\u5149\u6bd4\uff08\u8ffd\u6c42\u9ad8 SNR\uff09\u4e0e\u6fc0\u5149\u5668\u8fc7\u51b2\u4e4b\u95f4\u505a\u5de5\u7a0b\u6743\u8861\u3002\u800c\u5230\u4e86\u591a\u7535\u5e73\u7684 PAM4 \u65f6\u4ee3\uff0c\u7531\u4e8e\u773c\u9ad8\u88ab\u6781\u5ea6\u538b\u7f29\uff0c\u8fc7\u5ea6\u8ffd\u6c42\u5927\u6d88\u5149\u6bd4\u4f1a\u5bfc\u81f4\u5e95\u90e8\u773c\u56fe\u4e25\u91cd\u7578\u53d8\u3002\u73b0\u4ee3\u773c\u56fe\u6d4b\u8bd5\u4e2d\uff0c\u6211\u4eec\u4e0d\u5f97\u4e0d\u964d\u4f4e\u5bf9\u6d88\u5149\u6bd4\u7684\u786c\u6027\u8981\u6c42\uff0c\u8f6c\u800c\u4f9d\u9760 TDECQ\uff08\u53d1\u5c04\u673a\u8272\u6563\u773c\u775b\u95ed\u5408\u60e9\u7f5a\uff09\u6765\u7efc\u5408\u8bc4\u4f30\u53d1\u5c04\u673a\u7684\u6574\u4f53\u8d28\u91cf\u3002<\/p><\/blockquote><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h1 class=\"wp-block-heading\">\u7ed3\u8bed<\/h1><p>\u4ece\u5149\u8c31\u7279\u6027\u7684\u5fae\u89c2\u63a8\u6f14\uff0c\u5230\u7cfb\u7edf\u7ea7\u8bef\u7801\u4e0e\u6296\u52a8\u7684\u5b8f\u89c2\u8bc4\u5224\uff0c\u5149\u901a\u4fe1\u6d4b\u8bd5\u4ece\u6765\u4e0d\u662f\u5b64\u7acb\u7684\u6307\u6807\u7f57\u5217\uff0c\u800c\u662f\u4e00\u573a\u5728\u5e26\u5bbd\u3001\u566a\u58f0\u3001\u8272\u6563\u4e0e\u6210\u672c\u4e4b\u95f4\u5bfb\u6c42\u6700\u7cbe\u51c6\u5e73\u8861\u7684\u5de5\u7a0b\u535a\u5f08\u3002<strong>\u6df1\u523b\u7406\u89e3\u8fd9\u4e9b\u6307\u6807\u7684\u5b9a\u4e49\u4e0e\u80cc\u540e\u7684\u7269\u7406\u9650\u5236\uff0c\u624d\u662f\u6211\u4eec\u5728\u9ad8\u901f\u5149\u7f51\u7edc\u6f14\u8fdb\u4e2d\u89e3\u51b3\u5404\u79cd\u7591\u96be\u6742\u75c7\u7684\u6839\u672c\u5229\u5668\u3002<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7\u201c\u5149\u901a\u4fe1\u6d4b\u8bd5\u6f2b\u8c08\u201d<br \/>\n\u5149\u901a\u4fe1\u53d1\u5c55\u5982\u65e5\u4e2d\u5929\u7684\u4eca\u5929\uff0c\u4e86\u89e3\u5149\u5b66\u6d4b\u8bd5\u7684\u4e00\u4e9b\u6d4b\u8bd5\u6307\u6807\u548c\u53c2\u6570\u592a\u6709\u5fc5\u8981\u4e86\u3002<\/p>\n","protected":false},"author":2,"featured_media":7906,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-7899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>\u5149\u901a\u4fe1\u6d4b\u8bd5\u5168\u666f\uff1a\u5e38\u89c1\u6307\u6807\u7cbe\u7ec6\u68b3\u7406\u4e0e\u6d4b\u8bd5\u65b9\u6cd5\u8bba - \u901a\u6d4b\u79d1\u6280<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link 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