基于微波光子学的光电式高功率微波测试技术研究

Research on Photoelectric High Power Microwave Testing Technology based on Microwave Photonics

针对传统高功率微波测试方法的固有缺陷,介绍了一种基于微波光子学的高功率微波测试方法。基于这种方法设计了一套光电式高功率微波测试系统,这套测试系统具备低扰动、瞬时动态范围大、抗干扰能力强且能同时采集高功率微波时/频域信号特征等优点。使用高功率微波脉冲信号对这套系统进行了试验验证,测得的数据完整的表现了高微波脉冲时/频域的信号特征,验证了这套测试系统和方法的可行性和有效性。

Aiming at the inherent defects of traditional high power microwave testing methods,a high power microwave testing method based on microwave photonics is introduced.Based on this method,an optoelectronic high power microwave test system is designed.This test system has the advantages of low disturbance,large instantaneous dynamic range,strong anti⁃interference ability,and can simultaneously collect the characteristics of high power microwave time/frequency domain signals.The system is tested and verified with high power microwave pulse signal,and the measured data completely shows the signal characteristics of high microwave pulse in time/frequency domain,which verifies the feasibility and effectiveness of the test system and method.