放大器输入为电压信号，与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
功率放大器可以实现交流信号的准确跟踪和放大，输出频率范围可达1000赫兹。
And the power amplifier can realize accurately tracking and amplification for ac signals with frequency range up to 1000hz.
锁定放大器和取样积分器都不能抑制与参考信号同频率的干扰。本文提出了一种能抑制这种干扰的方法。
This paper describes a method of suppressing correlation jamming at the frequency of reference signal which cannot be suppressed by lock-in amplifier and Boxcar integrator.
在较新式的同轴电缆系统中，传输信号的频率高得多，所要只每隔四英里装一个放大器。
In the newer type coaxial system, the signals transmitted are much higher in frequency and amplifiers are required every four miles.
从速率方程出发，利用小信号分析方法对垂直腔半导体光放大器(VCSOA)的频率响应特性进行了研究。
Frequency response characteristics of vertical cavity semiconductor optical amplifiers (VCSOAs) are investigated by utilizing small signal analysis method.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成，另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成，另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
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