基本解釋[電子、通信與自動控制技術(shù)]測試專業(yè)釋義電子、通信與自動控制技術(shù)測試A perturbation test method of rectangular cavity is discussed for determination of complex permittivity of dielectric materials at microwave frequencies.本文討論了測試電介質(zhì)微波復(fù)介電常數(shù)的矩形腔微擾法。