Filter is used to process signal in frequency domain and able to improve the performance of AMB control system.
滤波器用于对信号进行频域上的变换处理，可用于改善磁力轴承控制系统性能。
This article introduces the principle of digital filter in frequency domain and presents method to realize it on 7T17S Signal Processor.
文中介绍了频域数字滤波的原理，提出了在7T17S信号处理机上实现频域数字滤波的方法。
According to the frequency domain character of the filter and signal, the sampling rate matching principle of the filter in frequency domain is given in the first part of the paper.
先从滤波器和信号的频域特性出发给出了滤波器在频域的采样率匹配原则。
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