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离散傅里叶变换,即DFT
- 离散傅里叶变换,即DFT, 注意:FFT在matlab里有现成的函数可以用,它只是DFT快速实现的一种方法而已。,DFT: Discrete Fourier transform.
DCT
- 用matlab对一张图片进行DFT变换,DCT变换,比较保留20个DCT变换系数重构的图象与原始图像的差别.-Using matlab on a picture to DFT transform, DCT transform, compared to 20 DCT transform coefficients to retain the image reconstruction of the difference between the original image.
fft-dft
- fft算法,fft与dft算法的比较,并有详细的文档说明。-fft algorithm, fft compared with the dft algorithm and a detailed descr iption of the document.
conv
- 利用DFT和IDFT计算x(n)和y(n) 的10点、15点、20点圆周卷积,然后与线形卷积结果画图比较-Calculated using DFT and IDFT x (n), and y (n) 10 points, 15 points, 20 points cyclic convolution, and then drawing comparison with the linear convolution result
circonvt
- 计算循环卷积,DFT,IDFT,FFT... .. -Computing cyclic convolution, DFT, IDFT, FFT ... ..
matlab
- 计DFT,IDFT,FFT,循环卷积,循环移位以及重叠保留法-Of DFT, IDFT, FFT, cyclic convolution, cyclic shift and overlap to retain the Law
109201276DFT
- matlab编写的离散fourier变换程序,好东西哦 -Discrete fourier transform process with matlab language, good things!
DFT
- 题目:离散富立叶变换(DFT)和频谱分析.matlab实现 1信号函数h(t)= e-a*t*tsin(2πft)2编程计算的离散富立叶变换(DFT)和IDFT图像。3计算振幅谱,相位谱以及检测信号主频-Title: Discrete Fourier Transform (DFT) and spectral analysis. Matlab function to achieve a signal h (t) = ea* t* tsin (2πft) 2 programming computin
DFT_IDFT
- A Matlab DFT and IDFT implementation using matlab itself
matlab
- 基于matlab 的 dft 的 fft 的 是吸纳-the same as before fft dft
DFT
- DFT implementation in MATLAB and ccs
DFT
- 离散傅里叶变换的程序,可以画出原图和频谱-Discrete Fourier Transform process
dft
- 离散傅里叶变换时实现信号频域分析的第一步,用matlab实现对离散傅里叶变换的描述。-Discrete Fourier transform when the signal frequency domain analysis to achieve the first step, using matlab to achieve a descr iption of discrete Fourier transform.
DFT
- 利用DFT法求周期信号的功率谱,实现离散傅立叶变换DFT,最后分析得到频谱幅度.-DFT method using the power spectrum of periodic signals seeking to achieve the Discrete Fourier Transform DFT, the final analysis, amplitude spectrum obtained
CMFB_and_DFT
- DFT滤波器组,画出了DFT分析滤波器组的图形,比较了余弦调制滤波器组(CMFB)和DFT滤波器组的性能-DFT filterbanks (analysis filterbanks)compare CMFB with DFT filterbanks
MATLAB
- 本文介绍了数字信号处理中各种算法基本原理,包括Z 变换、DFT 变换及其快速 算法FFT 等信号变换算法和包括IIR 与FIR 数字滤波器的设计与实现,详细论述了利用 MATLAB 软件对信号变换和设计数字滤波器的原理﹑ 步骤和实现方法,并给出了基于 MATLAB 的模拟与仿真。文章最后给出了实验结果,并就其结果做了进一步的解释和说明。 关键词:Z 变换,离散傅立叶变换DFT,数字滤波器,系统结构仿真 -This article describes a variety of
DFT
- 程佩青版数字信号处理部分作业的matlab程序... 只做过了老师布置的题目. -Cheng Peiqing version of digital signal processing operations matlab program ...
image_dft
- 不使用MATLAB内置函数作图片的离散傅里叶变换-This program finds the DFT of an image without using the inbuilt function in matlab
DFT-digital-watermark
- 利用DFT变换实现数字水印的源代码,请大家赐教-the code about the digital watermark in the region of DFT,using matalab
DFT
- DFT算法在matlab里的实现方法,自行查看(DFT algorithm in matlab)