The CAA can study and analyse the effects of all elements on the amplitude-frequency characteristic of active Filter systematically.
该CAA能系统地研究和分析二阶低通有源滤波器的各元件值对幅频特性的影响。
Frequency response analyzer is used to measure the amplitude-frequency characteristic and phase-frequency characteristic of the networks.
频率特性分析仪用于测试网络的幅频和相频特性。
Compared with the amplitude-frequency characteristic of the window functions often used at present, its property has an advantage over the rising-cosine function improved.
与目前常用的几种窗函数的频率特性相比较，其性能优于改进的升余弦窗函数。
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