搜索资源列表
three_highpass_filters
- 用9种方法对彩色图像进行傅里叶高通滤波，有三种基本高通滤波器，三种增强型，三种加上直方图均衡的-Use nine methods doing high-pass filtering to a color image by Fourier transform:three basic filters,three enhanced,three enhanced with histogram equalization
MATLABsheji
- matlab电子信息工程程序设计 图像的傅里叶变换及其应用-Electronic and Information Engineering program design matlab image Fourier Transform and Its Applications
Short_time_FFT_with_octave_smooth
- 短时傅里叶变换源程序，matlab环境，可用于雷达，超声波信号分析以及DSP的学习-short time fft codes
FFT
- 快速傅里叶变换实验源代码，matlab，内含源程序以及结果-Experimental Fast Fourier Transform source code, matlab, containing the source code, as well as the results of
DCT
- 离散傅里叶变换程序源码，matlab主程序，函数-Discrete Fourier transform program source code, matlab main program, function
DTFDPath
- 分数阶傅里叶变换MATLAB源程序，通俗易懂，非常好用-Fractional Fourier Transform MATLAB source, user-friendly, very easy to use
DFT
- 对图像进行傅里叶变换，观察其幅度谱和相位谱-Fourier transform of the image to observe its amplitude spectrum and phase spectrum
restruct
- 用MATLAB实现数字图像的傅里叶变换，显示图像频谱-Digital images using MATLAB Fourier transform, display the image spectrum
FFT
- 实现了matlab的二维离散傅里叶变换. -Achieve two-dimensional discrete Fourier transform matlab.
shijianxulie
- 时间序列的时频特性分析研究时间序列的傅里叶变换及逆变换，快速梅林变换及逆变换，短时离散傅里叶变换，得到瞬时频率。 研究时间序列的Born–Jondan时频分布图，Butterworth时频分布图，Choi–Williams时频分布图，得到瞬时频率。 -Time series analysis of time-frequency characteristics of time series of Fourier transform and inverse transform, the fa
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
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
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
FRFTcode
- 分数阶傅里叶变换的matlab程序，做数字信号处理可以直接使用-Fractional Fourier transform matlab program
frft
- 这是离散分数傅里叶，传输2D的图像加密解密，还有密钥的加密解密-This is the discrete fractional Fourier, transmission 2D image encryption, as well as the encryption key to decrypt
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.
Fourier_Discriptor
- 基于傅里叶描述子对旋转、平移等运动的不敏感性，识别目标-recognize the objects with rotation, translation, etc based on fourier descr iptor.
filt
- 关于图像滤波的一个实例应用，教会你如何通过傅里叶变换滤除单频噪声-An example of image filtering applications, teach you how to filter out single-frequency noise in Fourier transform
fft1
- 快速傅里叶变换程序，供大家参考，matlab下运行，可以看波形-Fast Fourier transform procedures for your reference, matlab running, you can see the waveform
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