... Fourier expansion 傅里叶级数展开 Fourier frequency 傅里叶频率 Fourier half-rang series 半幅傅里叶级数 ...
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fourier frequency analysis 傅里叶频率分析
fourier frequency spectrum 傅里叶频谱
fourier frequency spectrum analysis 富里叶频谱分析
Fourier frequency measurement algorithm 傅立叶测频法
classical fourier frequency domain approach 经典傅里叶频域法
fourier transform frequency spectrum analysis 傅里叶频谱分析
frequency spectrum of fourier transform 傅里叶变换频谱
time-frequency short time Fourier transform 时频短时傅里叶变换
decimation-in-frequency fast fourier transform algorithm 频率抽选快速傅里叶变换算法
A novel method about two dimension Fourier frequency analysis is proposed in order to obtain high radial rotate precision.
为了改善高速磁浮主轴的径向回转精度，该文提出了二维傅里叶频率分析的新方法。
The acceleration process caused by Yuanyuan M5.8 Earthquake at the top of Ertan Reservoir Dam and its Fourier frequency spectra are analyzed.
介绍了盐源5 8级地震二滩大坝顶部的加速度时程及傅氏谱。
With a phase grating located at Fourier frequency plane, optical image subtraction is obtained as a result of the coherent superposition of the zeroth and the first order of the diffracted light.
置一位相光栅于相干光学处理系统频谱平面，利用其零级与一级衍射光的相干迭加实现图象相减。
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