一个系统的弱信号测量电路

一个系统的弱信号测量电路 THE WEAK SIGNAL MEASURING CIRCUIT OF A SYSTEM 屠忠遂 Tu Zhongsui 1 2 first-author 冯纪先 Feng Jixian 1 2 瞿绳武 Qu Shengwu 1 2 武汉大学无线电信息工程学系 武汉大学无线电信息工程学系 Department of Radio and Information Engineering, Wuhan Uuiversity Department of Radio and Information Engineering, Wuhan Uuiversity 南通无线电研究所 南通无线电研究所 本文所介绍的弱信号测量放大电路是一个已用于某控制系统中的测量电路。文中介绍了该控制系统的基本工作过程,系统性能要求,电路设计思想及主要电路的工作原理。实践证明,该电路是一个实用价值高并已取得实际成效的测量电路。 In this paper, the enlarged measuring circuit of weak signal has already been used in a control system, now. The paper states the basic process of the control system, the demend of the system properties, the idea of the circuit design and the major work principle. ★It has been proved that the measuring circuit is valuable, applicable and effective. 弱信号 测量电路 转角 基准信号 随动系统 weak signal measuring circuit rotating angle reference signal following-up system 1988-04-01 2021-04-01 4