receiving amplifier

The monitoring software of unified dispatching, complete the remote control command receiving, high power amplifier switching machines, ranging transponder, zero value test and control terminal station zero value test, and calculate the control station equipment and the actual distance of zero.

在监控软件的统一调度指挥下，完成遥控指令的接收、高功放的开关机、测距转发、校零终端的零值测试和测控站的零值测试，并计算出测控站设备的实际距离零值。

In the receiving part, select the APD as receiving media converter parts, completed the design of the bias voltage circuit, preamplifier circuit, main amplifier circuit and comparator circuit, then Analysis the methods of time identification.

在接收部分，选用雪崩光电二极管作为接收光电转换器件，实现了偏置电压电路、放大电路以及比较电路的设计并分析了时间鉴别方法。

Receiving Systems The class C amplifier is employed for increasing the modulation of receiving Doppler signal.

为增加接收Doppler信号的调制度，使用了丙类放大。

The phase-locked loop band-pass filter and the logarithmic amplifier is adopted in the circuit to insure the reliability of receiving signal.

电路中采用锁相带通滤波器和对数放大器，保证有效信号的可靠接收。