频率变换测量

频率变换测量频率变换测量
  1. 采用电导-频率变换测量方法的电导率仪

    Design of a conductivity meter based on conductivity-frequency conversion measurement method

  2. 频率变换器件群时延测量方法的探讨与分析

    Introduction and Analysis of Methods of Measuring the Group Delay of Frequency-Translating Devices