傅立叶变换如何理解？美颜和变声都是什么原理？李永乐老师告诉你
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Channel: 李永乐老师
Views: 690,444
Rating: 4.9520202 out of 5
Keywords: 傅立叶变换, 傅立叶级数, Fourier transform, Fourier Serie, 快速傅立叶变换, FFT, 美颜磨皮, 频谱, 时域信号, 周期性函数, 频域图, 声音和图像识别, 数字信号处理, 李永乐老师, 正交基
Id: 0LuyxzqI3Hk
Channel Id: undefined
Length: 20min 13sec (1213 seconds)
Published: Sun Apr 28 2019
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