{"id":28937,"date":"2026-06-18T15:28:49","date_gmt":"2026-06-18T07:28:49","guid":{"rendered":"http:\/\/localhost\/wordpress\/?p=28937"},"modified":"2026-06-18T15:36:09","modified_gmt":"2026-06-18T07:36:09","slug":"blog202603","status":"publish","type":"post","link":"http:\/\/localhost\/wordpress\/2026\/06\/18\/blog202603\/","title":{"rendered":"Blog202603"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"28937\" class=\"elementor elementor-28937\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0db8d4d e-flex e-con-boxed e-con e-parent\" data-id=\"0db8d4d\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e769abb elementor-widget elementor-widget-text-editor\" data-id=\"e769abb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.17.0 - 01-11-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<div id=\"stacks_out_4904195\" class=\"stacks_out\"><div id=\"stacks_in_4904195\" class=\"stacks_in com_elixir_stacks_foundryImage_stack\"><div class=\"modal-header\"><div class=\"modal-header\"><div class=\"modal-header\"><div class=\"modal-header\"><div class=\"modal-header\"><div class=\"modal-header\"><div class=\"modal-header\"><div class=\"modal-header\"><div class=\"closer_x\"><div class=\"modal-header\"><h4 id=\"myModalLabel\" class=\"modal-title text-xs-left\">2026.06<\/h4><h4 class=\"modal-title text-xs-left\">\u6dfa\u8ac7\u901a\u8a0a\u7cfb\u7d71\u4e2d\u7684Volterra\u7b49\u5316\u5668<\/h4><p>\u6587\/\u6ed5\u5f65\u5b9c<br \/>\u7de8\/\u5f35\u742c\u5a77<\/p><\/div><p>\u00a0 \u00a0 \u60f3\u50cf\u4f60\u5728\u5c71\u8c37\u4e2d\u558a\u53eb\u4e00\u8072\u5f8c\uff0c\u8072\u97f3\u6703\u5f9e\u5c71\u58c1\u53cd\u5f48\u56de\u4f86\u3002\u9664\u4e86\u5ef6\u9072\u4e4b\u5916\uff0c\u8072\u97f3\u4ea6\u5bb9\u6613\u8b8a\u5f97\u6df7\u4e82\u96e3\u4ee5\u8fa8\u5225 \u2014 \u2014 \u9019\u662f\u7531\u65bc\u8072\u97f3\u7d93\u904e\u4e0d\u540c\u7684\u50b3\u64ad\u8def\u5f91\u5f8c\u758a\u52a0\u5728\u4e00\u8d77\uff0c\u9032\u800c\u5c0e\u81f4\u8a0a\u865f\u7684\u5931\u771f\u3002<\/p><p>\u00a0 \u00a0 \u7b49\u5316\u5668\u5c31\u50cf\u662f\u4e00\u500b\u904e\u6ffe\u5668\uff0c\u53ef\u4ee5\u6d88\u9664\u9019\u4e9b\u56de\u8072\uff0c\u5c07\u539f\u59cb\u7684\u8072\u97f3\u76e1\u91cf\u7684\u9084\u539f\u3002<\/p><p>\u00a0 \u00a0 \u5728\u7121\u7dda\u901a\u8a0a\u6216\u6709\u7dda\u901a\u8a0a\u4e2d\uff0c\u8a0a\u865f\u5728\u50b3\u8f38\u904e\u7a0b\u4e2d\u5bb9\u6613\u53d7\u5230\u901a\u8a0a\u901a\u9053\u7684\u5f71\u97ff\uff0c\u5982\u591a\u5f91\u6548\u61c9\u3001\u983b\u7387\u9078\u64c7\u6027\u8870\u843d\u7b49\uff0c\u5c0e\u81f4\u8a0a\u865f\u5931\u771f\u3002\u7b49\u5316\u5668\uff08Equalizer\uff09\u4fbf\u662f\u7528\u65bc\u88dc\u511f\u901a\u8a0a\u901a\u9053\u6548\u61c9\u7684\u4e00\u7a2e\u88dd\u7f6e\u6216\u6f14\u7b97\u6cd5 \u2014 \u2014 \u5176\u4e3b\u8981\u76ee\u7684\u662f\u6d88\u9664\u6216\u6e1b\u5c11\u7531\u65bc\u901a\u8a0a\u901a\u9053\u7279\u6027\u5f15\u8d77\u7684\u8a0a\u865f\u5931\u771f\u548c\u5e72\u64fe\uff0c\u4ee5\u6539\u5584\u63a5\u6536\u7aef\u7684\u8a0a\u865f\u54c1\u8cea\u548c\u53ef\u9760\u6027\u3002<\/p><p>\u00a0 \u00a0 \u7b49\u5316\u5668\u53ef\u4ee5\u901a\u904e\u983b\u7387\u97ff\u61c9\uff08Frequency response\uff09\u88dc\u511f\u3001\u591a\u5f91\u5e72\u64fe\u6d88\u9664\u548c\u81ea\u9069\u61c9\u8abf\u6574\u4f86\u6d88\u9664\u9019\u4e9b\u5931\u771f\uff0c\u4f7f\u63a5\u6536\u8a0a\u865f\u7684\u983b\u7387\u97ff\u61c9\u66f4\u52a0\u5e73\u5766\uff0c\u5f9e\u800c\u6e1b\u5c11\u5e72\u64fe\u5e36\u4f86\u7684\u5f71\u97ff\uff0c\u4ee5\u589e\u5f37\u8a0a\u865f\u54c1\u8cea\u4e26\u964d\u4f4e\u8aa4\u78bc\u7387\u3002<\/p><h5><strong>IM-DD OFDM PON \u7cfb\u7d71\u7c21\u4ecb<\/strong><\/h5><p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/miro.medium.com\/v2\/resize:fit:556\/1*oisrp9D3kyMnRlX4lsGt_Q.png\" \/><\/p><p style=\"text-align: center;\">\u5716\u4e00\u3001\u63a1\u7528Volterra \u7b49\u5316\u5668\u4e4bIM-DD OFDM PON\u7cfb\u7d71\u67b6\u69cb<\/p><p>\u00a0 \u00a0 \u5728IM-DD OFDM PON\u7cfb\u7d71\u4e2d\uff0c\u8a0a\u865f\u7684\u6e05\u6670\u5ea6\u548c\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002\u6b64\u4e00\u7cfb\u7d71\u7d50\u5408\u4e86\u5149\u5f37\u5ea6\u8abf\u5236\uff08IM-DD \uff0c Intensity- Modulation Direct- Detection\uff09\u3001\u6b63\u4ea4\u983b\u5206\u591a\u5de5\uff08OFDM\uff0c Orthogonal Frequency Division Multiplexing\uff09\u548c\u7121\u6e90\u5149\u7db2\u8def\uff08PON\uff0c Passive Optical Network\uff09\u6280\u8853\uff0c\u4ee5\u671f\u63d0\u4f9b\u9ad8\u6548\u4e14\u53ef\u9760\u7684\u5149\u7e96\u901a\u8a0a\u89e3\u6c7a\u65b9\u6848\u3002<\/p><p>\u00a0 \u00a0 \u767c\u9001\u7aef\u4e4bOFDM\u8a0a\u865f\u5148\u4f9d\u5e8f\u901a\u904e\u4e32\u884c\u5230\u4e26\u884c\u8f49\u63db\u3001QAM\u7b26\u865f\u7de8\u78bc\u3001IFFT\u3001CP\u63d2\u5165\u548cDAC\u751f\u6210\uff0c\u63a5\u8457\u9a45\u52d5\u5149\u5f37\u5ea6\u8abf\u88fd\u5668\uff08Intensity Modulator\uff09\uff0c\u7d93\u7531EDFA\u653e\u5927\u8a0a\u865f\u5f8c\u4ea4\u7531\u5149\u7e96\u50b3\u8f38\u3002\u63a5\u6536\u7aef\u5247\u4f7f\u7528\u5149\u6aa2\u6e2c\u5668\u9032\u884c\u76f4\u63a5\u6aa2\u6e2c\uff0c\u5148\u901a\u904eADC\u9032\u884c\u985e\u6bd4\u8a0a\u865f\u4e4b\u8f49\u63db\uff0c\u4ea4\u7531\u6578\u4f4d\u8a0a\u865f\u8655\u7406\uff08DSP\uff0cDigital Signal Processing\uff09\u6f14\u7b97\u6cd5\u9032\u884c\u540c\u6b65\u8655\u7406\u5f8c\uff0c\u624d\u662f\u9032\u5230Volterra\u7b49\u5316\u5668\uff0c\u6700\u7d42\u53bb\u9664CP\u3001FFT\u548cQAM\u7b26\u865f\u89e3\u78bc\u7b49\u7b49\u904e\u7a0b\u624d\u5b8c\u6210\u8a0a\u865f\u7684\u89e3\u8abf\u8207\u512a\u5316\u3002<\/p><h5><strong>Volterra \u7b49\u5316\u5668\u7684\u89d2\u8272<\/strong><\/h5><p>\u00a0 \u00a0 Volterra\u7b49\u5316\u5668\u662f\u975e\u7dda\u6027\u7b49\u5316\u5668\u7684\u4e00\u7a2e\uff0c\u4e26\u57fa\u65bcVolterra\u6578\u5217\u9032\u884c\u8a2d\u8a08\u3002Volterra\u6578\u5217\u662f\u4e00\u7a2e\u6578\u5b78\u6a21\u578b\uff0c\u7528\u65bc\u63cf\u8ff0\u975e\u7dda\u6027\u7cfb\u7d71\uff0c\u53ef\u4ee5\u6355\u6349\u7cfb\u7d71\u4e2d\u7684\u8a18\u61b6\u6548\u61c9\u548c\u591a\u968e\u975e\u7dda\u6027\u7279\u6027\u3002<\/p><p>\u9019\u4f7f\u5f97Volterra\u7b49\u5316\u5668\u80fd\u5920\u6709\u6548\u5730\u88dc\u511f\u901a\u8a0a\u901a\u9053\u4e2d\u7684\u975e\u7dda\u6027\u5931\u771f\u3002\u7279\u5225\u662f\u5728\u9ad8\u529f\u7387\u9810\u7b97\u7684OFDM PON\u7cfb\u7d71\u4e2d\uff0c\u5149\u8a0a\u865f\u5728\u7d93\u904e\u9577\u8ddd\u96e2\u5149\u7e96\u50b3\u8f38\u5f8c\uff0c\u6703\u7522\u751f\u56b4\u91cd\u7684\u975e\u7dda\u6027\u5931\u771f\u3002Volterra\u7b49\u5316\u5668\u901a\u904e\u88dc\u511f\u9019\u4e9b\u7dda\u6027\u548c\u975e\u7dda\u6027\u5931\u771f\uff0c\u78ba\u4fdd\u8a0a\u865f\u7684\u6e96\u78ba\u63a5\u6536\u548c\u89e3\u8abf\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u500b\u7cfb\u7d71\u7684\u53ef\u9760\u6027\u548c\u6578\u64da\u50b3\u8f38\u54c1\u8cea\u3002<\/p><h5><strong>Volterra\u7d1a\u6578\u4e4b\u6578\u5b78\u6982\u5ff5<\/strong><\/h5><p>\u00a0 \u00a0 Volterra\u7b49\u5316\u5668\u7684\u8f38\u5165\u8f38\u51fa\u95dc\u4fc2\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u7a0b\u8868\u793a\uff08\u5716\u4e8c\uff09\uff0cy(n) \u548c u(n) \u5206\u5225\u662fVolterra\u7b49\u5316\u5668\u7684\u8f38\u5165\u548c\u8f38\u51fa\u6578\u64da\uff0ch\u662f\u6ffe\u6ce2\u5668\u4fc2\u6578\uff0ce(n) \u662f\u5efa\u6a21\u8aa4\u5dee\u3002\u6211\u5011\u53ef\u4ee5\u5c07Volterra \u7d1a\u6578\u8207\u51aa\u7d1a\u6578\uff08\u5716\u4e09\uff09\u505a\u6bd4\u8f03\uff0c\u55ae\u8b8a\u91cf\u7684\u51aa\u7d1a\u6578\u5f62\u5f0f\u70ba\uff1a<\/p><p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/miro.medium.com\/v2\/resize:fit:700\/1*QHknHn6FTsTwF7puCOEbLw.png\" \/><\/p><p style=\"text-align: center;\">\u5716\u4e8c\u3001Volterra\u7d1a\u6578<\/p><p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/miro.medium.com\/v2\/resize:fit:685\/1*Lf_2o0f7HTuRP-c5P3171Q.png\" \/><\/p><p style=\"text-align: center;\">\u5716\u4e09\u3001\u51aa\u7d1a\u6578<\/p><p>\u00a0 \u00a0 \u900f\u904e\u51aa\u7d1a\u6578\u7684\u5c55\u958b\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u5c55\u958b\u5f0f\u7684a\u8207Volterra \u7d1a\u6578\u4e2d\u7684\u6ffe\u6ce2\u5668\u4fc2\u6578h\u8996\u70ba\u6b0a\u91cd\uff0c\u53ef\u4ee5\u770b\u51fa\u51aa\u7d1a\u6578\u7684\u8f38\u5165\u8b8a\u91cf\u53ea\u6709\u4e00\u500b\uff0c\u4e5f\u5c31\u662f(x-c)\uff0c\u8f38\u51fa\u5247\u70baf(x)\u3002<\/p><p id=\"a027\" class=\"pw-post-body-paragraph ms mt hp mu b mv mx my mz nb nc nd nf ng nh nj nk nl nn no vo np hi bg\" data-selectable-paragraph=\"\">\u00a0 \u00a0 \u4ee5Volterra \u7d1a\u6578\u4f86\u8aaa\uff0c\u51aa\u7d1a\u6578\u90fd\u6709\u8f38\u5165\u8a0a\u865f\u76f8\u4e58\u6240\u5c0e\u81f4\u7684\u975e\u7dda\u6027\u7684\u95dc\u4fc2\u3002\u53d7\u5230\u8a18\u61b6\u6548\u61c9\u7684\u5f71\u97ff\uff0c\u6839\u64da\u8a18\u61b6\u9577\u5ea6\uff08memory length\uff0c\u5373N1\uff0cN2\uff0cN3\uff0c\u2026\uff09\u7684\u4e0d\u540c\uff0c\u5c31\u6703\u6709\u76f8\u61c9\u6578\u91cf\u7684y(n-i)*y(n-j)*y(n-k)\u2026\u7684\u4e0d\u540c\u8f38\u5165\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u7576\u8a18\u61b6\u9577\u5ea6\u70ba3\u6642\uff0c\u9019\u610f\u5473\u8457\u6bcf\u500b\u6838\u51fd\u6578y(n-i)\u90fd\u8003\u616e\u4e86\u7576\u524d\u548c\u524d\u5169\u500b\u6642\u523by(n-j)\uff0c y(n-k)\u7684\u8f38\u5165\u8a0a\u865f\u3002<\/p><p id=\"f9c6\" class=\"pw-post-body-paragraph ms mt hp mu b mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl nm nn no np hi bg\" data-selectable-paragraph=\"\">\u00a0 \u00a0 \u7531\u4ee5\u4e0a\u6578\u5b78\u5f0f\uff0c\u6211\u5011\u5f97\u77e5\u5c07\u6642\u9593\u5ef6\u9072\u8003\u616e\u9032\u5165\u51aa\u7d1a\u6578\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230Volterra \u7d1a\u6578\u3002\u8b93\u6211\u5011\u518d\u770b\u4e00\u500b\u8a18\u61b6\u9577\u5ea6\u70ba3\uff08N1=N2\uff09\u7684\u4e8c\u968eVolterra \u7d1a\u6578 \uff08\u5716\u56db\uff09\uff0c\u5c55\u958b\u7684\u7d50\u679c\u6703\u662f\uff08\u5716\u4e94\uff09\uff1a<\/p><p data-selectable-paragraph=\"\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/miro.medium.com\/v2\/resize:fit:700\/1*x9M53xsbzw5S6JuoUnjMBg.png\" \/><\/p><p style=\"text-align: center;\" data-selectable-paragraph=\"\">\u5716\u56db\u3001\u8a18\u61b6\u9577\u5ea6\u70ba3\u7684\u4e8c\u968eVolterra \u7d1a\u6578<\/p><p data-selectable-paragraph=\"\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/miro.medium.com\/v2\/resize:fit:700\/1*W1Lgss2kipiHpUVp9d7KTA.png\" \/><\/p><p style=\"text-align: center;\" data-selectable-paragraph=\"\">\u5716\u4e94\u3001\u4e8c\u968eVolterra\u7d1a\u6578\u5c55\u958b<\/p><p>\u00a0 \u00a0 \u7531\u4ee5\u4e0a\u5c55\u958b\u6578\u5b78\u5f0f\uff0c\u53ef\u4ee5\u5f97\u4e4b\u589e\u52a0\u968e\u6578\u4ee5\u53ca\u8a18\u61b6\u9577\u5ea6\u90fd\u6703\u589e\u52a0\u8a08\u7b97\u4e0a\u7684\u96e3\u5ea6\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u6839\u64da\u5be6\u9a57\u7d50\u679c\uff0c\u6e2c\u8a66\u4e0d\u540c\u7684\u8a18\u61b6\u9577\u5ea6\uff08N1\u3001N2\uff09\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u61c9\u7528\u4e2d\u53ef\u80fd\u4e00\u6b21\u7dda\u6027\u5f71\u97ff\u8f03\u5927\uff0c\u5247\u8a18\u61b6\u9577\u5ea6 N1 \u6703\u8a2d\u5f97\u8f03\u9577\uff1b\u975e\u7dda\u6027\u5f71\u97ff\u8f03\u5c0f\uff0c\u8a18\u61b6\u9577\u5ea6N2\u53ef\u4ee5\u8a2d\u5f97\u8f03\u77ed\uff1b\u66f4\u9ad8\u968e\u7684\u8a18\u61b6\u9577\u5ea6\u4e5f\u662f\u540c\u6a23\u7684\u6982\u5ff5\u3002<\/p><h5><strong>\u7e3d\u7d50<\/strong><\/h5><p>\u00a0 \u00a0 \u7e3d\u800c\u8a00\u4e4b\uff0cVolterra\u7b49\u5316\u5668\u5728\u901a\u8a0a\u7cfb\u7d71\u4e2d\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\u3002\u5b83\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u8a0a\u865f\u7684\u54c1\u8cea\u548c\u7cfb\u7d71\u7684\u53ef\u9760\u6027\uff0c\u7279\u5225\u662f\u5728\u9762\u81e8\u975e\u7dda\u6027\u5931\u771f\u6642\u3002\u901a\u904eVolterra\u7b49\u5316\u5668\u7684\u8a2d\u8a08\u548c\u61c9\u7528\uff0c\u6211\u5011\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u50b3\u8f38\u7684\u901f\u5ea6\u548c\u6e96\u78ba\u6027\uff0c\u78ba\u4fdd\u8a0a\u865f\u5728\u8907\u96dc\u74b0\u5883\u4e2d\u7684\u53ef\u9760\u50b3\u8f38\u3002<\/p><h5><strong>\u53c3\u8003\u8cc7\u6599<\/strong><\/h5><p>1. Sparse Volterra Equalizer to Mitigate the Nonlinear Distortion in High Power Budget IM-DD OFDM PON<\/p><p>https:\/\/iopscience.iop.org\/article\/10.1088\/1742-6596\/2440\/1\/012013\/pdf<\/p><p>2. CSDN\u300c\u5173\u4e8e3\u9636Volterra\u6ee4\u6ce2\u5668\u4e00\u4e9b\u7406\u89e3\u300d<\/p><p>https:\/\/blog.csdn.net\/qq_41897364\/article\/details\/107752916?spm=1001.2101.3001.6650.6&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-6-107752916-blog-100165429.235%5Ev43%5Epc_blog_bottom_relevance_base5&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-6-107752916-blog-100165429.235%5Ev43%5Epc_blog_bottom_relevance_base5<\/p><p>3. \u7dad\u57fa\u767e\u79d1\u300c\u7b49\u5316\u5668\u300d<\/p><p>https:\/\/zh.wikipedia.org\/zh-tw\/%E7%AD%89%E5%8C%96%E5%99%A8<\/p><p>4. \u7dad\u57fa\u767e\u79d1\u300c\u51aa\u7d1a\u6578\u300d<\/p><p>https:\/\/zh.wikipedia.org\/zh-tw\/%E5%B9%82%E7%BA%A7%E6%95%B0<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><p><!-- \/wp:paragraph --><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>2026.06 \u6dfa\u8ac7\u901a\u8a0a\u7cfb\u7d71\u4e2d\u7684Volterra\u7b49\u5316\u5668 \u6587\/\u6ed5\u5f65\u5b9c\u7de8\/\u5f35\u742c\u5a77 \u00a0 \u00a0 \u60f3\u50cf\u4f60\u5728\u5c71\u8c37\u4e2d\u558a\u53eb\u4e00\u8072\u5f8c &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/localhost\/wordpress\/2026\/06\/18\/blog202603\/\"> <span class=\"screen-reader-text\">Blog202603<\/span> \u95b1\u8b80\u5168\u6587 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