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通过利用VC++对图像进行快速傅里叶变换
- 通过利用VC++对图像进行快速傅里叶变换，已达到图像处理的效果 -By using VC++ for fast Fourier transform of the image, the effect of image processing has been reached
123
- 此程序基于c语言实现fft快速傅里叶变换-This procedure based on c language fft Fast Fourier Transform
WORK1
- 是個能做復立葉轉換並將矩陣轉換成實部和虛部的部份~相當的方便-Can do is a complex Fourier conversion matrix and converted into real and imaginary parts ~ a considerable part of the convenience of
fourier
- 介绍了傅立叶变换的基本原理，并给出了傅立叶变换的c语言实现-Introduced the basic principles of Fourier transform, and gives the Fourier transform of c language
FFT_-_asm_code_example
- 实现快速傅里叶变化，采用汇编编写，可以借鉴一下。-Achieve fast Fourier Change, using the compilation of the preparation, you can learn from you.
FFT1
- 本函数利用调用库函数的方法实现了实函数快速傅里叶变换-Use this function to call library function is the way to the realization of the fast Fourier transform function
64PTS_DFT
- A 64 points Discrete Fourier Transform code in AVR asm.
xbfx
- 本章重点： 1.离散信号的概念 2.离散信号的运算 3.离散系统的概念 4.离散周期信号的傅立叶级数(DFS) 5.离散非周期信号的傅立叶变换(频谱密度函数DTFT) 6.简单的滤波器(简介) -This chapter focuses: 1. The concept of discrete signal 2. Discrete signal computing 3. The concept of discrete-time systems 4. Discrete F
C30Fast_FFT
- 基于DSP2407的快速傅里叶变换程序，来源合众达DSP例程-fast fourier transform BASED ON DSP
4n65thjugadtahueditted
- fourier transform of a given function
dct2_embed
- 傅立叶域水印源码1，数字图像水印技术基于DCT嵌入数字图像水印-Fourier domain watermarking Source 1
fly
- 傅立叶拟合，可以选择拟合的最高频率，经测试，运行良好-Fourier fitting, you can choose the highest frequency of fitting has been tested and runs well
FFT
- 实现快速傅立叶变换的C程序代码，以基2FFT为基础的算法-Implementation of fast Fourier transform C program code, to base 2FFT based algorithm
fenshujiefuliyebianhuan
- 分数阶傅里叶变换，可以用于实现图像的隐藏算法-The fractional Fourier transform, can be used to achieve the image hiding algorithm
Fourier-transform
- 应用了matlab仿真程序描述了傅里叶变化的过程-describe fourier transform in matlab
tfrstft
- 短时傅立叶变换，确定时变信号其局部区域正弦波的频率与相位-short-time Fourier transform
dft--convolution--IDFT--fir(finite-impulse-respon
- different matlab code for convolution, discrete fourier transform, finite impulse response, inverse DFT, descimator
dsplab205_exe
- DSPLab is a library of delphi components for digital signal processing. The library contains two components: IIR Filter and FFT. IIR Filter is Butterworth, Bessel and Chebyshev infinite-impulse-response (IIR) filters, with lowpass, highpass, bandpass
MATLAB
- 1、 读取图像A和B，显示这两幅图像，对图像作傅立叶变换，显示频域振幅图像。作傅立叶逆变换，显示图像，看是否与原图像相同。 2、 设计一个简单的巴特沃斯低通滤波器（截止频率自选），对图像A作频域低通滤波， 再作反变换，观察两种不同的截止频率下反变换后的图像与原图像的区别。 3、 设计一个高斯高通滤波器（截止频率自选），对图像B作高频强调滤波，再作反变 换，观察两种不同的截止频率下反变换后的图像与原图像的区别.-1, the read image A and
u7
- 对有白噪声污染的余弦信号进行采样，通过傅里叶变换对其频率成分进行分析。(The cosine signal contaminated by white noise is sampled, and its frequency components are analyzed by Fourier transform.)