采用窗函数技术可以有效地抑制具有坡度的同轴布喇格结构的频率响应曲线的残余旁瓣。
The residual side-lobes of the frequency response can be effectively suppressed by employing the window function technique, using Hannin.
通过实验研究了CQT和DFT在多音阶频率检测时的性能以及窗函数对CQT性能的影响。
Performances of CQT and DFT in estimating multinote frequencies and the effect of window function are studied through experiments.
由于实际信号和窗函数在频域为卷积关系，所以应该考虑实际频率在FFT谱上所处的位置。
In fact, the FFT spectrum is the convolution between read time series and window function in domain of frequency, the dominant frequency position influence on leakage should not be ignored.
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