ZFFT(ZoomFFT) is a method used for analysis of part spectrum, it can reduce calculation.
ZFFT是对频谱局部特性进行分析的一种方法，它可降低运算量。
In this paper, by using DFT filter bank and ZFFT, we present an algorithm of spectrum analysis for the wide band signal.
本文利用DF T滤波器组、ZFFT，提出了一种宽带信号的实时谱分析方法。
If the realization of the ZFFT was based on the method of complex modulated signal or directly decomposed signal, a special equipment would be used or designed in other way.
若采用复调制法或直接抽取法等通用ZFFT法实现，一般要用专用设备或另作设计。
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