搜索资源列表
fouriertransmation
- 图像处理 证明二维夫里叶变换等价于两步一位傅里叶变换的程序-image processing proved two Weaver Fourier Transform equivalent to a two-step procedure Fourier Transform
傅里叶变换
- 实现二维傅里叶变换,希望对需要的人有帮助
first
- 二维傅里叶变换,对图像进行二维傅里叶变换处理-Two-Dimensional Fast Fourier Transform The purpose of this project is to develop a 2-D FFT program "package" that will be used in several other projects that follow. Your implementation must have the capabilitie
mychange
- 基于MATLAB6.5的二维灰度图像处理源文件,M-file,运用傅里叶变换和傅里叶反变换进行幅度和频率的调整。-Based on two-dimensional gray-scale image processing MATLAB6.5 source files, M-file, the use of anti-Fourier transform and Fourier transform amplitude and frequency adjustments.
FFT
- 实现了matlab的二维离散傅里叶变换. -Achieve two-dimensional discrete Fourier transform matlab.
myfft2
- 自编二维离散傅里叶变换,仅限于二维变换,为什么一定要20个字-Two-dimensional discrete Fourier transform self
fft2
- 图像的二维傅里叶变换,matlab编程,很好用。-Two-dimensional Fourier transform image, matlab programming
FRACF2D
- 二维分数阶傅里叶变换,可以把数据经此变换后,变成2D分数阶域-Two-dimensional fractional Fourier transform, the data can be transformed by this into 2D fractional domain
Relize_Fourier_Transform
- 用来实现二维离散傅里叶变换的简单实用程序,在matlab中能快速得到理想结果-To realise 2-D Discrete wavelets transform,easily and effective to reach the ideal result we want!
GS
- matlab的GS算法 运用傅里叶变换 在二维空间实现-matlab gs
Fouriertransfor_new
- 主要实现对图像的二维傅里叶变换,并以一种更加直观的方式显示结果。-Main realization of image 2 d Fourier transform, and in a more intuitive way to show results.
Polar-Fourier-Transform
- 基于MATLAB实现了极坐标下的傅里叶变换,对一个给定 n×n 的二维信号,其计算复杂度等价于笛卡尔坐标下的2D-FFT,可广泛应用于图像处理和分析。-A fast high accuracy Polar FFT algorithm is given in the software package written in MATLAB. For a given 2D signal of size n×n, the algorihtm s complexity is just like in a C
FT2D
- 实现二维傅里叶变换,并用几种基本函数进行了测试-To realize two-dimensional Fourier transform, and has been tested with several basic functions
K
- 利用matlab对字母K进行编码,属于罗曼3型编码,最终结果可得到一幅二维傅里叶变换全息图-Using matlab to encode the letter K, are Roman 3 encoder, the end result can be obtained a two-dimensional Fourier transform hologram
zhuantai
- 本程序仿真了利用线性调频信号进行二维傅里叶变换的ISAR成像-A program model ISAR use 2fft
分数阶傅里叶变换
- 1980年,V.Namias 从特征值和特征函数的角度提出了分数阶傅立叶变换的概念。定义为传统傅立叶变换的分数幂形式。这里提供了二维的分数阶傅里叶变换源程序,可直接运行。
二维离散傅里叶变换
- 不调用matlab自带函数实现二维离散傅里叶变换(Do not call matlab own functions to achieve two-dimensional discrete Fourier transform)
MATLAB
- 对二维图像进行傅里叶变换,在频率进行低通滤波(Fourier transform of two-dimensional image and low pass filter in frequency)
FFT
- 图像的二维傅里叶变换及变换域滤波,同态滤波(FFT and Wave filtering)
分数阶傅里叶变换
- 一种基于分数阶理论的傅里叶变换。可以用在信号特征提取;信号去噪方向;利用二维分数阶傅里叶变换可以实现图像处理,例如图像去噪,加密操作等;FRFT压缩包:frft源程序;以及相应数据处理子函数;两个心电图振动信号可供分析;