幅频 meaning in Chinese

amplitude frequency

Development of portable instrument for amplitude - frequency characteristic
便携式低频幅频特性测试仪的研制
Amplitude - frequency response characteristic
幅频特性
Log magnitude - frequency characteristics
对数幅频特性
Malfunction of amplitude - frequency characteristic of ecg and its solution
心电图机幅频特性不合格原因及处理办法
Calculationfor frame - frequency characteristics of sampling - data control system
采样控制系统幅频特性的一种计算方法

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