最新無源光通信器件課程設(shè)計-文庫吧資料
2025-06-29 22:43本頁面
【正文】 dBfc = +06 Hz Directional Coupler 外調(diào)制器Received optical power: Pmed (signal) = dBm P (ASE) = INF dBmPhotogenerated noise powers: P (shotsignal) = dBm P (shotASE) = INF dBm P (signalASE) = INF dBm P (ASEASE) = INF dBm Ptotal (noise) = dBm Irms (signal) = dBm ( mA) Irms (noise) = dBm ( mA) SNR = dBOutput photodiode signal: P (thermal) = dBm Vrms (signal) = dBm (+06 mV) Vrms (noise) = INF dBm (0 mV) SNR = +INF dBfc = +06 Hz Y fed Coupler 外調(diào)制器Received optical power: Pmed (signal) = dBm P (ASE) = INF dBmPhotogenerated noise powers: P (shotsignal) = dBm P (shotASE) = INF dBm P (signalASE) = INF dBm P (ASEASE) = INF dBm Ptotal (noise) = dBm Irms (signal) = dBm ( mA) Irms (noise) = dBm ( mA) SNR = dBOutput photodiode signal: P (thermal) = dBm Vrms (signal) = dBm (+06 mV) Vrms (noise) = INF dBm (0 mV) SNR = +INF dBfc = +06 Hz7. 小結(jié)通過比較得到， dBm、Y fed Coupler dBm、Directional Coupler dBm、ElectroAbsortive dBm。被傳輸?shù)谋忍匦盘柡徒?jīng)過Y fed Coupler外調(diào)制器輸出的波形： 其調(diào)制效果與Directional Coupler的效果一致，有著反相的調(diào)制特性。幅度調(diào)制器輸出的波形和經(jīng)過Y fed Coupler
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