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TheAppliedResearchesBasedonWaveletAnalysisTheoryan
- 小波分析是时间- 频率分析, 它具有时频窗任意“伸缩”的能力, 基于小波变换原理的数字滤波器具有 傅里叶分析不可比拟的优越性。小波的分解与重构算法简单, 这使得滤波器实现起来简单可靠
dipum_1.1.4
- Image Processing的所有源代码，包括傅里叶变换，各种滤波器的函数实现等。
txlb
- 数字图像处理中的滤波和傅里叶压缩，包括理想低通滤波器，巴特沃茨高通滤波器，高斯带通滤波器，高斯带阻滤波器，FFT图像压缩。附原图像和处理后的图像截图。-Digital image processing in filtering and Fourier compression, including the design of an ideal low-pass filter, design Batewoci high-pass filter, bandpass filter design Gaus
HightFilterAndLowFilter
- 实现正逆傅里叶变换，并在此基础上实现各种高低通滤波器，采用OPENCV实现。图像只针对2的整数次幂的方图-implement kinds of high filters and low filters in OPENCV based on implementing the FFTs and IFFTS.
DSPcode
- 数字信号处理源代码，包括冲激响应、传递函数、零相位函数、全通函数、离散时间傅里叶变化、离散傅里叶变化、滤波器设计及级联-Digital signal processing source code, including impulse response, transfer function, zero-phase function, all-pass function, discrete-time Fourier changes, discrete Fourier changes, filter
dftfilter
- 近似完全重构交替离散傅里叶变换调制滤波器组-Similar to the turn of perfect reconstruction DFT modulated filter banks
DigitalSignalofMatlab
- 数字信号处理，包括：各种现有信号及随机信号的输入，从文件读取数据的输入，各种滤波器的实现，傅里叶变换等，傅里叶反变换等，谱分析，利用图形界面形式编写，简单且可视化强，便于理解。-Digital Signal Matlab
frequency
- 用傅里叶变换对图形进行变换，然后用高斯低通、高通滤波器对图像进行去噪-Fourier transform graphics transform, and then use Gaussian low-pass, high pass filter for image denoising
three_lowpass_filters
- 彩色图像转为灰度图像，灰度图像的傅里叶低通滤波，彩色图像的傅里叶低通滤波，三种滤波器的三维表示-Transforming a color image to a grayscale image Do low-pass filtering to a grayscale or color image by Fourier transform The three-dimensional representation of three types of filters
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
DIB
- 这是一个常用的数字图像处理程序，包括图像的大小变换，傅里叶变换，傅里叶逆变换，常有的滤波器等-This is a commonly used digital image processing procedures, including the size of the image transform, Fourier transform, inverse Fourier transform, filter and so often
DSP_MATLAB
- 数字信号处理相关matlab程序，包括傅里叶变换，iir滤波器，fir滤波器等-iir and fir
FT&chirpZ
- 利用傅里叶变换以及chirpZ变化求得计算低通滤波器的响应频率(The response frequency of low pass filter is calculated by Fourier transform and chirpZ change)
fft_filter
- 快速傅里叶变换滤波器的matlab程序算法设计及使用(It is a FFT-Filter designed by MATLAB code.Design and Application of Matlab Algorithm for Fast Fourier Transform Filter)
fir_test
- 对输入的原始数据qqqq4444，qqqq4444数据需自己手动输入，进行低通滤波，然后进行快速傅里叶变换，最后算出距离(For input raw data, qqqq4444, qqqq4444 data need to be manually input, low-pass filtering, and then fast Fourier transform, and finally calculate the distance)
DFT
- visual c++写的傅里叶变换，以及在频域实现低通滤波和高通滤波(Fourier transform written by visual c++ and low-pass filtering and high pass filtering in frequency domain)
cvGabor
- 傅里叶变换是一种信号处理中的有力工具，可以帮助我们将图像从空域转换到频域，并提取到空域上不易提取的特征。但是经过傅里叶变换后，图像在不同位置的频度特征往往混合在一起，但是Gabor滤波器却可以抽取空间局部频度特征，是一种有效的纹理检测工具(Fu Liye transform is a powerful tool in signal processing, which helps us transform images from airspace to frequency domain and e
threefilterCompare
- 将图像傅里叶变换，然后利用高斯、巴特沃斯、理想滤波器实现图像高频成份和低频成份的分离。(The image Fu Liye transform is applied, then the Gauss high pass lowpass filter is used to achieve the separation of high-frequency components and low frequency components.)
IIR一阶低通滤波器
- matlab实现带通滤波，傅里叶变换，得到频域信号，带桶处理(Achieve band pass filter, Fourier transform, get frequency domain signal, with bucket processing.)
傅里叶谱与频域低通滤波
- 傅里叶谱与频域低通滤波 (a)从图书网站下载图4.41(a)并计算其(居中)傅里叶谱。(b)显示频谱。(c)在等式(4.8-7)中实现高斯低通滤波器。您必须能够指定结果2D函数的大小，M x N。此外，您必须能够指定高斯函数的中心位置。(d)从图书网站下载图4.41(a)，并对其进行低通滤波，以复制图4.48中的结果。(Fourier Spectrum and Lowpass Filtering in Frequency Domain (a) Download Fig. 4.41(a)