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IIF
- 用MATLAB实现IIF低通和高通滤波器的滤波特性,并让单位取样信号,周期方波信号和周期三角波信号通过IIF,验证IIR的滤波特性-IIF using MATLAB to achieve low-pass and high-pass filters filtering properties, and to allow units sampled signals, cycle square wave signal and the periodic triangular wave signal th
lhbutt
- 设计巴特沃斯低通和高通IIR数字滤波器,得到二阶频率级联参数-Design of Butterworth low-pass and high-pass IIR digital filters, to be cascaded second-order frequency parameter
firfilter
- FIR滤波器:自定滤波器的类型(低通,高通或带通)、设计指标(通带截止频率、通带波纹、阻带截止频率、阻带衰减) 1、根据指标选择合适的窗函数,用窗口设计法设计符合指标的FIR滤波器;并验证其性能是否满足预定指标。 -FIR filters: Custom filter types (low pass, high pass or band-pass), design specifications (passband cutoff frequency, passband ripple, st
FIR_filter
- 用窗函数法设计FIR带通、低通、高通滤波器 通过改变程序中的参数设计任意带通、低通、高通滤波器-Design of FIR with the window function band-pass, low pass, high pass filter by changing the process parameters in the design of arbitrary band-pass, low pass, high pass filter
frequencyzonefilter
- vc6.0下开发的频域滤波器实验平台,包括傅立叶变换、常用低通、高通滤波器,效果已测试-vc6.0 developed under the experimental platform frequency-domain filter, including the Fourier transform, commonly used low-pass, high pass filter, the effect has been tested
color416
- 24位彩色图像处理,包括浮雕效果,光顺,锐化,低通滤波、高通滤波-24-bit color image processing, including the relief effect, smoothing, sharpening, low pass filtering, high-pass filtering, etc.
AF
- 验证滤波器传输函数的相位偏移,主要是分析高通滤波器和低通滤波器-Validation phase shift filter transfer function, primarily an analysis of high-pass filter and low pass filter
filter
- 本资料含有低通/高通带通等matlab程序,程序简短但经典-This information contains a low pass/high pass band-pass and so on matlab program, the program short but classic
WFilter_h
- 此压缩文件包含小波高通滤波器和低通滤波器声明的头文件-This compressed file contains the wavelet high-pass filter and low-pass filter declaration header file
kaiser
- 凯泽窗低通,带通,高通数字滤波器,在matlab上的源程序!-matlab!
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
chap3
- 程序代码说明 P0301:数字图像矩阵数据的显示及其傅立叶变换 P0302:二维离散余弦变换的图像压缩 P0303:采用灰度变换的方法增强图像的对比度 P0304:直方图均匀化 P0305:模拟图像受高斯白噪声和椒盐噪声的影响 P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308:图像的自适应魏纳滤波
fftlphp
- 此程序是1是对图像进行fft变换并显示频谱图,2是对图像进行低通和高通滤波并显示-This program is an fft transform is image and display spectrum, 2 is the image low-pass and high pass filtering and display
chap3
- 程序代码说明 P0301:数字图像矩阵数据的显示及其傅立叶变换 P0302:二维离散余弦变换的图像压缩 P0303:采用灰度变换的方法增强图像的对比度 P0304:直方图均匀化 P0305:模拟图像受高斯白噪声和椒盐噪声的影响 P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308:图像的自适应魏纳滤波
Convolution
- 含有多种卷积核达到图像模糊,低通、高通滤波,边缘检测等目的,并且可自定义卷积核。-Contains a variety of convolution to the image fuzzy, low pass, high pass filter, edge detection purposes, and can be customized convolution.
DCT_SVD
- 本文提出一种在原始视频DCT(离散余弦变换)与SVD(奇异值分解)域自适应嵌入水印的算法。算法首先将视频流分割成一个个场景,场景中的视频图像被变换到DCT-SVD域中,水印量化嵌入在最大奇异上,实现了水印盲检测。同时实验证明该算法在满足透明性要求下也满足一定的鲁棒性要求,能够抵抗低通滤波、中值滤波、椒盐噪声、高斯噪声、H.264压缩攻击以及统计攻击和帧剪切等攻击。-This paper presents an original video in the DCT (Discrete Cosine
matlab1
- 二维离散小波变换和重构(对高通和低通系数分别卷积。。。)-Discrete wavelet transform and reconstruction (high-pass and low pass convolution coefficients...)
IIRfilter
- 设计低通IIR滤波器;并将此低通滤波器映射为高通、带通或带阻滤波器。并验证变换后的滤波器是否满足指标。并求输入x(n)=[cos(w1n)+cos(w2n)]u(n)经过系统后的输出y(n)-Low-pass IIR filter design and mapping this low-pass filter high pass, band pass or band stop filter. And verify whether the filter transformation to mee
177557PicViewerDemo
- 频域低通滤波(理想低通滤波器、梯形低通滤波器、巴特沃斯低通滤波器、指数低通滤波器),频域高通滤波(理想高通滤波器、梯形高通滤波器、巴特沃斯高通滤波器-PicViewer
zi
- 在本系统中,信息序列在先经过FSK调制,经过截止频率为25kHz的低通滤波器后(把信号频率限制在25kHz),再进入混频器搬移到更高的频率发送出去,在接收端,用与发送端同步的跳频信号对其进行变频(跳频的解跳处理在此进行),取下边频,然后进行FSK的解调-In this system, the message sequence prior through FSK modulation, through the cut-off frequency of 25kHz after low-pass fi