An general analysis for front end performance of turned optical receiver for microwave subcarrier multiplexed lightwave system was presented. Formulas for front end circuits were deduced.

采用综合的分析方法从理论上分析了适合于微波副载波传输的谐振式光接收机前端的特性，提出了一整套计算公式。

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The plan of system unit composed of three levels, which are lightwave level, microwave level and TV level, is described.

给出了由光波层、微波层、电视层共三个层次组成的系统单元的方案。

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In this paper, a high-sensitivity lightwave communication system is set up by using a mini-power near-infrared LED as a light emitter, a phototransistor as a photoelectric receiver.

本文采用小功率红外发光管作光源，用光敏二级管作光接收器件，建立了高灵敏度的光波通信系统。

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