搜索资源列表
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.
使用matlab对正弦信号采样
- 使用matlab对正弦信号采样 以及对其进行DFT变换,Matlab sinusoidal signal on the use of sampling, as well as its DFT transform
4FFTproject
- 用MATLAB实现的基4FFT算法的程序,输入一个长度为16的序列,得到DFT的频谱-Implemented with the MATLAB-based algorithm 4FFT program, enter a sequence of length 16 obtained DFT spectrum
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.
matlab-code
- 对数字图像处理中的离散傅里叶变换(DFT),离散余弦变换(DCT)进行了详细的分析。其中DFT包括log视觉处理,中心点移动等。DCT包括分块处理,和保留较少系数,并比较结果。-Digital image processing of the discrete Fourier transform (DFT), discrete cosine transform (DCT) for a detailed analysis. DFT which include the log of visual pr
DFT
- 图像处理matlab源代码,主要使用傅里叶变换。-Image processing matlab source code, primarily using the Fourier transform.
DFT
- 用matlab实现了对于已知序列求其离散傅里叶变换,并给出了三个实际例子进行解释。-Achieved with matlab known sequence requirements for its discrete Fourier transform, and gives practical examples to explain the three.
circonvt
- 计算循环卷积,DFT,IDFT,FFT... .. -Computing cyclic convolution, DFT, IDFT, FFT ... ..
watermark
- Matlab实现多种水印的嵌入与提取(DFT DCT等)-Matlab to achieve a variety of watermark embedding and extraction (DFT DCT, etc.)
DFT
- 利用DFT分析模拟信号频谱,并附有实验报告说明和源码-DFT analysis of the use of analog signal spectrum, together with the experimental report and source
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
matdft
- 离散傅立叶变换函数 Program to compute DFT coefficients directly-Discrete Fourier Transform function Program to compute DFT coefficients directly
dft
- dft数字水印源代码 -DFT Digital Watermarking source code
DFT
- 1)编写DFT子函数(计算并画出幅频特性),以后可调用。 2)N=32,M=32,128,256时,分析频率分辨率、频谱的光滑程度。 3)N=64,256,512时,分析频率分辨率和频谱的光滑程度。 -1) the preparation of DFT Functions (calculated and drawn amplitude-frequency characteristics), the future can be called. 2) N = 32, M = 32,128
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
DFT
- 数字信号处理中的DFT源代码,很实用,希望对大家有用-DFT Digital Signal Processing source code, it is useful, we want to be useful
DFT
- 编写一个matlab函数用一个N点离散傅里叶变换同时计算两个N点实序列的离散傅里 叶变换,并将结果与直接使用两个N点离散傅里叶变换计算出来的结果进行比较-Write a matlab function with an N point discrete Fourier transform and calculate actual sequence of two N point discrete Fourier transform, and the results with the direct u
DFT进行连续信号谱分析
- 用DFT对连续时间信号进行谱分析,用DFT定义进行计算,不同抽样频率不同抽样点下的谱分析Matlab实例。(The continuous time signals are analyzed by DFT, and calculated by DFT definition. The Matlab examples are analyzed under different sampling frequencies and sampling points.)
DFT IDFT FFT
- 最基础的数字信号处理关于DFT,IDFT,FFT可以直接matlab运行(dft.m idft.mThis is a very good button source code complete and can be used directly)