... 利用循环卷积计算线性卷积(To Compute Linear Convolution Using Circular Convolution) 频率取样(Frequency Sampling ) 快速傅立叶变换(Fast Fourier Transform-FFT) ...
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她取样的更新世物种的牙齿平均断裂频率达到8%,而现代物种只有2%。
The average fracture frequency for the Pleistocene species she sampled came to 8% whereas for modern species it was only 2%.
在讨论以上算法之前,本文还讨论了取样频率的选取。
Before discuss these algorithms, this paper discussed the choice of sampling frequency.
然后在白光光学频谱分析系统中,利用放置在傅里叶频谱面上的取样狭缝得到按频率假彩色编码的频谱图。
The frequency pseudocolor-coded speech spectrogram is then obtained by means of a sampling narrow slit placed at Fourier plane in white-light optical spectrum analyzer.
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