This paper proposed a new method to estimate voltage flicker using the discrete Fourier transform ( DFT ). 本文提出一种基于离散傅里叶变换(DFT)估计电压闪变的新方法。
Fourier transform wavelet transform optical information processing. 标签傅里叶变换小波变换光学信息处理。
For synthetic aperture digital lensless Fourier transform hologram, a screen-division reconstruction method is proposed based on theoretical analysis. 针对合成孔径数字无透镜傅里叶变换全息图,在理论分析的基础上,提出了相应的分幅再现算法。
In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis. 通过将对数极坐标和傅立叶变换(FT)结合,完成旋转不变的傅立叶纹理特征提取。
Time-frequency Analysis Methods Based on Short-Time Fourier Transform(FT) and Wavelet Transform 基于短时傅立叶和小波变换的时频分析