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FIRFilterDesign
- FIR Filter Design（有限冲击响应滤波器设计），包括ideal bandpass filter impulse response、Modified Bessel function、Kaiser window parameters for spectral analysis等12种FIR设计matlab源代码-FIR (finite impulse response filter design), including the ideal bandpass filter impulse
FIRqq
- 用凯泽窗设计线性相位带通FIR滤波器 计算理想带通滤波器单位抽样响应ha(n)的M函数文件dbpfr.m 计算凯泽窗函数wk(n)的M函数文件kwnd.m-Keyser window design with linear phase FIR bandpass filter calculate an ideal band-pass filter response ha sampling units ( n) M function calculation Keyser dbpfr.m doc
idealdi
- 理想低通滤波,最后显示处理结果. 直接解压后将图片和程序放在同一个文件夹里.-ideal low-pass filter, the final results showed. Photo will be directly extracted and procedures on the same document folder.
idealgao
- 理想高通滤波,最后显示处理结果. 直接解压后将图片和程序放在同一个文件夹里.-ideal high-pass filter, the final results showed. Photo will be directly extracted and procedures on the same document folder.
Elliptical_Filter
- IIR Filter Coefficient Quantization Example ％ written by DRB on 6-Dec-2004 for ECE3703 ％ ％ Looks at unquantized filter (ideal), direct form, and cascaded second ％ order section (SOS). -IIR Filter Coefficient Quantization Exam ple% written b
ideal_filter
- 数字图像理想低通滤波器，只要修改把大于号改成小于号就可实现高通滤波器-digital image ideal low-pass filter, as long as the changes has been replaced by greater-than, less than can be achieved high pass filter
频域滤波
- 频域滤波，包括梯形低/高通滤波，理想低/高通滤波，布尔沃什低/高通滤波和指数低/高通滤波等-frequency domain filtering, including the trapezoid low / high pass filters, ideal low / high pass filter, Buerwoshen low / high pass filter and index low / high pass filter, etc.
高通滤波器，对图像进行高通滤波
- 高通滤波器，对图像进行高通滤波。采用opencv，包含二维理想高通滤波，2阶巴特沃思高通滤波，二维高斯高通滤波，增长率为2二维指数高通滤波-High-pass filters, high pass filter the image. Using opencv, including two-dimensional ideal high-pass filter, 2-order Butterworth high pass filter, two-dimensional Gaussian high p
ad_adjust1.rar
- 数字滤波器，AD采样的值进行数字滤波，得到较理想的值,Digital filters, AD sampling the value of the digital filter, to be more ideal value
idealfilter.rar
- 在MATLAB环境下，使用FFT实现的理想低通滤波器。,FFT implementation of the ideal low-pass filter。
Non_iter_WLS2.rar
- 可变分数延迟滤波器的设计，利用理想全通滤波器来设计。,Score variable delay filter design, the use of the ideal all-pass filter design.
filters
- 实现了多种空域、频域滤波器：直方图均衡化、中值滤波、拉普拉斯锐化、理想低通、巴特沃斯低通、去条带-realize various space-based and frequency-based filters, like equilzation, median filter, laplacian filter, ideal low-pass filter, Butterworth low-pass filter and wedge filter
usb-carmer-matlab-RT-process
- 通过计算机usb摄像头进行图像采集，然后实时处理，跟踪其中运动物体，并进行计数，采用中值滤波法得到背景，并根据需要进行更新，视频处理采用了动态差分与前景差分结合的方法，效果比较理想，但无法解决人物重叠的问题-Usb camera through the computer for image acquisition, and real-time processing and tracking moving objects in which, and the count median filter
dft
- 低通滤波器，对图像滤波。采用opencv。其中包含二维高斯低通滤波器，衰减系数为2的二维指数低通滤波器，2阶巴特沃思低通滤波器，二维理想低通滤波器-Low-pass filter, the image filtering. Using opencv. Which contains two-dimensional Gaussian low-pass filter, the attenuation factor of 2 two-dimensional index of low-pass filte
Low_Pass_Filter
- opencv 写的频率域滤波包含高斯，理想，巴特沃斯低通滤波，-opencv write the frequency domain filtering includes Gaussian, ideal Butterworth low-pass filter,
shengyuxian
- 理想低通滤波器特性曲线绘制 频率图分析 升余弦滤波器特性曲线绘制 频谱图分析 部分响应系统滤波器特性曲线-Ideal low-pass filter frequency characteristic curve analysis drawn up cosine filter characteristic curve analysis part of the spectrum mapping system filter response curve
LP
- 分别采用理想低通滤波、高斯低通滤波、巴特沃斯滤波对图形图像进行处理。-The ideal respectively low-pass filter, gaussian low pass filtering, bart wo filtering on image processing.
IIR_filter
- 按照给定指标采用模拟巴特沃斯低通滤波器去逼近理想模拟低通滤波器 ，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器 -Indicators in accordance with a given analog Butterworth low-pass filter to approximate the ideal analog low-pass filter, and then through the bilinear transformation method of digitizin
filtropasaaltas.m
- describe the code for a hig pass ideal filter in matlab
FIR
- 1、验证窗函数 N 变化时，验证其频谱主瓣副瓣比、主瓣宽度的变化。 a)矩形窗函数的 N 变化时，验证其其频谱主瓣副瓣幅度比基本不会发生变化， 而主瓣宽度将会变窄。这说明，当用矩形窗函数设计滤波器时，增大 N 不能使 得阻带衰减减小，但能够减小过渡带。 b)再选取其他的窗如 hamming/hanning 窗，验证当 N 变化时，其频谱主瓣宽 度变化、主瓣副瓣比值变化情况。 2、用窗函数法设计线性相位 FIR 低通，通带截止频率 wp=0.5PI, 阻带截止频率 ws=0.6PI,