我们测试的PF 30的电力线分析仪，提供即时，声音反馈的噪声任何特定出口通过内置扬声器和音量控制。
We tested the PF30 with a power-line analyzer that provides immediate, audible feedback on the noisiness of any given outlet via a built-in speaker and volume control.
以带线系统为测试夹具，利用网络分析仪在微波频率下测量材料的复介电常数和复磁导率。
A network analyzer system is used to make frequency-swept S-parameter measurements on the loaded stripline fixture from which complex permittivity and complex permeability may be calculated.
基于ADS软件仿真和优化，并用矢量网络分析仪进行测量其s21曲线，本设计最终结果与理论吻合，达到指标要求。
Based on ADS and VNA, the filters had been simulated and optimized and the response of S21 had been measured. Final results show that achieve index requirements.
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