利用微波功率传感器判断新一代天气雷达故障

摘要

In recent years,the microwave power sensor taking planar potential barrier diode as core component that coordinates with small power meter makes the high speed,high precision and successive power measurements and thus comes into realization.It is widely used to measure high frequency equipment such as the weather radar signal power.The paper analyzes the characteristics and circuit principle of microwave power sensor,introduces the connecting and setting methods with power meter and discusses the method to judge the fault of new generation weather radar by using microwave power sensor in the two typical maintenances of CINRAD/SA as examples.%近年来,以平面掺杂势垒二极管为核心构成的微波功率传感器与小功率计配合,能实现对微波功率的高速、高精度和连续测量,广泛应用于天气雷达等高频设备信号功率的测量。文章详细阐述了微波功率传感器的特性和电路原理,以及该传感器与小功率计的连接、设置和使用方法。并以在CINRAD/SA雷达发射机、接收机中两个典型故障检修事例,论述了微波功率传感器在天气雷达上的应用。