根据功率密度大、脉冲短、形状不规则的特点,研制出一种能适应各种条件下使用的高功率微波功率密度测量装置.从已有的测量手段出发,比较其不同原理和适用性,选定了峰值检波法.根据实际工作需要,着重从结构及测量的可靠性、降低系统误差等方面,进行优化设计.该装置采用矩形波导和可靠性高的耦合衰减,利用示波器进行测量.最后详细地给出了测量系统的标定方法.

A measurement system on power density of high power microwave radiation is presented. The system is based on peak detecting diode, waveguide system, and power decrease structure. The system is focused on low-error and the stability of structure. Calibrating Methods are also presented. The system is suitable for many occasions.