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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
MATLAB-adu
- 基于分数傅里叶变换的彩色图像加密算法，主要用于数字图像的加密中。-Based on the fractional Fourier transform for color image encryption algorithm, mainly used in digital image encryption.
1DTFT(2)
- 实验二 离散时间傅里叶分析 1． 离散时间信号 ， ，求 的傅立叶变换 。 离散时间信号 ， ，求 的傅立叶变换 -Experiment 2 discrete-time Fourier analysis 1. Discrete-time signal, find the Fourier transform. Discrete-time signal, find the Fourier transform
Gerchberg_Papoulis
- Gerchberg_Papoulis利用反复应用傅里叶变换与反变换及加入已知条件的迭代算法，解决带限函数外推。-Gerchberg_Papoulis using repeated application of Fourier transform and inverse transform and adding the known conditions of the iterative algorithm to solve band-limited function extrapolation.
222
- 快速傅里叶变换(FFT)及其应用，这里是一些实例，包括调试好的程序和结果。-Fast Fourier transform (FFT) and its application, here are some examples, including debugging good program and results.
fastpoisson
- 该方法 基于快速傅里叶变换，求解方形区域的poission方程 比差分 有限元快。
mallat
- 小波谱分析mallat算法经典程序 MALLET分解算法(圆周卷积的快速傅里叶变换实现)-Algorithm for spectral analysis mallat small program MALLET classic decomposition algorithm (circular convolution of the fast Fourier transform)
Matlab
- matlab 傅里叶变换 求包络 等对声音的处理文件-the matlab Fourier transform seeking envelope of sound processing files
广义s变换
- 广义S变换 结合了小波变换和短时傅里叶变换的特点，是时频分析领域中一个较新的内容，现在在信号处理，地震勘探，语音识别等领域都开始了对它的应用研究，是目前的一个热点
matlab+c
- 二维图像的投影和图像重建，直接傅里叶反变换法，先反投影后滤波，先滤波后反投影，卷积反投影(Two dimensional image projection and image reconstruction, direct Fourier inverse method, first backprojection, after filtering, first filter, back projection, convolution back projection)
MATLAB Codes
- 二维图形矩阵的傅立叶变换和逆傅里叶变换算法(Fu Liye transform and inverse Fourier transform algorithm for two dimensional graphic matrices)
MATLAB图像配准程序
- 使用分离傅里叶变换的方法进行亚像素的图像配准(Subpixel image registration is performed using the method of separated Fourier transform)
fangbo
- 方波傅里叶变换，功率谱计算等基于MATLAB仿真平台(FFT for this fangbo the invition of sensitive inovation like maniuplant simulation)
STFFTtool1
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spectrum charac
积分变换
- 傅里叶变换 Z变换 拉普拉斯变换的gui(Fu Liye transform, Z transform, Laplasse transform, GUI)
M文件
- 对于离散傅里叶变换的学习理解很有帮助，同时有助于对MATLAB语言的练习。(It is helpful for the learning and understanding of discrete Fourier transform, and it is helpful for the practice of MATLAB language.)
FFT
- 在matlab中对振动信号实现快速傅里叶变换(The realization of fast Fourier transform for vibration signals in MATLAB)
关于小波分析的matlab程序
- 用matlab语言进行小波分析，相对于傅里叶变换的全时域变换忽略部分信息，小波变换具有其自身特点。(Wavelet analysis in MATLAB language)
tutorial
- 利用快速傅里叶变换滤波，空域变换的，图像灰度均衡matlab函数代码，用于学习信号处理(filter by using fast Fourier transform)
angular_spectrum_analysis
- 代码对2D二维傅里叶过程进行了描述；有助于傅里叶光学领域的基础概念的理解；对二维傅里叶变化过程中的matlab代码进行了简要介绍，有助于初学者理解(The code describes the 2D two-dimensional Fourier process, helps to understand the basic concepts of Fourier optics, and briefly introduces the matlab code in the process of tw