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dft2.zip
- 对二维图像进行离散傅里叶变换，分别给出了直流分量移动到频谱中心前后的频谱图样。,Two-dimensional images of the discrete Fourier transform, respectively, given the spectrum to move to the DC component of the spectrum before and after the design center.
Bitmap
- 读取位图，并对位图经行各种操作，旋转，傅里叶变换等-Read the bitmap, and bitmap line by a variety of operations, rotation, etc.
image_mosaic
- 基于IBR的图像拼接算法,利用傅里叶变换求相关，可利用多幅图像拼接得到的全景图。-image mosaic based on image based rendering
FFT
- 对文本文档内的数据进行傅里叶变换，得到波形 -频谱图，相位图的对话框界面-For text document data within the Fourier Transform, the wave- frequency spectrum, phase diagram of the dialog box interface
FFT
- 这是一个经典的fourier translate 傅里叶变换的程序 计算图像的中心点并标记和傅里叶频谱图的最大能量环并标记-This is a classic Fourier transform fourier translate the program to calculate the center of the image and mark and Fourier frequency spectrum of the maximum energy ring and mark
restore
- 图像增强的目标是改进图片的质量，例如增加对比度，去掉模糊和噪声，修正几何畸变等；图像复原是在假定已知模糊或噪声的模型时，试图估计原图像的一种技术。 图像增强按所用方法可分成频率域法和空间域法。前者把图像看成一种二维信号，对其进行基于二维傅里叶变换的信号增强。采用低通滤波（即只让低频信号通过）法，可去掉图中的噪声；采用高通滤波法，则可增强边缘等高频信号，使模糊的图片变得清晰。具有代表性的空间域算法有局部求平均值法和中值滤波（取局部邻域中的中间像素值）法等，它们可用于去除或减弱噪声。 -A
optics
- 分数傅里叶变换以及计算全息图的迂回编码实现，以及衍射的仿真和所需的计算机生成图形。对信息光学的研究人员有用处。-Fractional Fourier Transform and circuitous CGH Coding and diffraction simulation and the required computer-generated graphics. Optics researchers in information useful.
FFTReconstruction
- 可以实现全息图的一次快速傅里叶变换，对全息图进行再现，也可以用于全息干涉图的再现-Hologram can be achieved in a fast Fourier transform, reconstruction hologram can also be used for reproduction of holographic interferograms
Fractional_Fourier_Transform
- LFM信号的分数傅里叶变换分析，包含LFM信号分数阶谱图产生及FrFt子程序，及峰值搜索。非常好用。-LFM signal' s fractional Fourier transform, including the LFM signal generation and FrFt fractional spectrum of subroutines, and peak search. Very easy to use.
1
- 本上传讲解了傅里叶变换与频谱分析之间的关系，通过fft的到信号的频谱图-Explained the Fourier transform of the upload and spectral analysis of the relationship between the fft of the signal through the frequency spectrum
FFT
- 这是一个快速傅里叶变换分析谐波类程序，以及生成火柴梗图的程序-This is a class of fast Fourier transform analysis of harmonic procedures, and the program generates Stick Figure
PeakFinder16
- LFM信号的分数傅里叶变换分析，包含LFM信号分数阶谱图产生及FrFt子程序，及峰值搜索。非常好-LFM signal s fractional Fourier transform, including the LFM signal generation and FrFt fractional spectrum of subroutines, and peak search. Very easy to use.
一个C++傅立叶变换的例子
- 一个用c++写的傅里叶变换的例子，针对8位图而做的(A Fourier transform written in c++ example, for 8 bitmap and do)
GIS_stft
- 利用工具箱实现短时傅里叶变换，并画出等高线图(program for short time Fourier transform using toolbox)
fft
- 对数字图像进行傅里叶变换，查看其频谱图及相位图。(Fourier transform of digital images, to see its spectrum and phase diagram.)
FFT
- 快速傅里叶变换示例,修改波信号文件以及采样频率，就可得到波形与频谱图、相位图(Fast Fourier Transform example, modify the wave signal file and the sampling frequency, you can get the waveform and spectrogram, the phase map)
bin
- 画包络图和傅里叶变换图的函数程序，可以简化主程序(The function program of drawing envelope diagram and Fu Liye transform diagram can simplify the main program.)
傅里叶变换
- 该程序可以实现傅里叶变换，制作时程图，导出频谱图和功率谱图等功能
声发射数据处理matlab
- 本程序为傅里叶变换，给定初始时域波形，可得到对应频域波形。可出图(The program is Fourier transform. Given the initial time-domain waveform, the corresponding frequency-domain waveform can be obtained. Drawing out)
Character E in the MATLAB
- 使用matlab二元傅里叶变换全息图，字符“E”的MATLAB模拟计算全息图，字符“E”的MATLAB模拟计算全息图的再现图像(Character "E" in the MATLAB simulation of the reproduced image of the hologram)