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信号的产生
- 2、产生单位冲激函数(unit impulse),单位阶跃函数(unit step),单位斜坡函数(unit ramp)-2, the units have impulse function (unit impulse), Step function units (unit step), flat slope function (unit ramp)
信号的产生补遗
- 2、产生单位冲激函数(unit impulse),单位阶跃函数(unit step),单位斜坡函数(unit ramp)-2, the units have impulse function (unit impulse), Step function units (unit step), flat slope function (unit ramp)
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
imageimpose
- 数字图像矩阵数据的显示及其傅立叶变换 二维离散余弦变换的图像压缩 采用灰度变换的方法增强图像的对比度 直方图均匀化 模拟图像受高斯白噪声和椒盐噪声的影响 采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 图像的自适应魏纳滤波 运用5种不同的梯度增强法进行图像锐化 图像的高通滤波和掩模处理 用巴特沃斯(Butterwo
matlabtuxiangchulidaima
- 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 P0309:运
band-pass-filter-by-remez-function
- 用MATLAB中remez函数设计一带通FIR滤波器。打印出单位脉冲响应 ,并画出幅频响应。-Design using MATLAB function in the vicinity of remez pass FIR filter. Print out the unit impulse response and frequency response plot.
Identifying_pulse_response
- 系统辨识课上做的利用相关分析法辨识脉冲响应的实验。包括用M序列生成白噪声,计算互相关函数得到脉冲响应估计值等等,比较基础-Experiment about Identifying the pulse response with a method of correlative analysis in my class on system identification. It contains using M-sequence to generate white noise, bu calculat
xinhaoxitongppt
- 1.1 绪 言 一、信号的概念 二、系统的概念 1.2 信号的描述与分类 一、信号的描述 二、信号的分类 1.3 信号的基本运算 一、加法和乘法 二、时间变换 1.4 阶跃函数和冲激函数 一、阶跃函数 二、冲激函数 -1.1 Introduction of a signal of the concept of the Second, the system the concept of 1.2 signals a descr ipti
impulse
- this function adds impulse noise to the image praposed
restoration
- (1) 先由原始图像(任选)产生待恢复的图像;(产生方法如下:冲激函数为 ,将原始图像与冲激函数卷积产生模糊,然后再迭加均值为0,方差为8,16,32的高斯随机噪声而得到一组待恢复的图像。分别用逆滤波和维纳滤波恢复模糊后的图像。-(1) The first be the original image (optional) produces the image to be restored (generated as follows: impulse function, the original
solter_filter
- 摘要 本文提出了一种新的基于极大似然法的椒盐噪声滤波算法。在传统BP 算法中引入 了极大似然估计,在训练样本时能够在考虑网络逼近行为的同时对噪声分布进行估计。而且 针对椒盐噪声模型构造了新的鲁棒误差函数,从而使算法本身的抗干扰性增强。实验结果表 明了该算法与传统BP 算法相比具有更好的滤波性能。-Abstract This paper presents a new maximum likelihood method based on impulse noise filter. In
function
- The function (ChastotnaaHarakteristikaPROBA1.rar) generates the frequency response of a filter with finite impulse response. The function (ChastotnaaHarakteristikaPROBA.rar) checks the user input coefficients of the filter and runs one of the fo
xiangguanfabianshi
- 利用M序列作输入估计脉冲响应值,完成对连续和离散系统传递函数参数的辨识-Use of M sequence as the input impulse response estimated value to complete the continuous and discrete transfer function parameter identification
impulse
- --- --- --- --- --- --- --- --- ----- This file produces the output file test_impulse.wav containing an approximation to the unit impulse (delta) function. The value of alpha on [0,1] determines the bandlimit of the approximation. Th
impulse
- This function is used for adding different kind of impulse noises (i.e. Salt & Pepper noise and Random-value impulse noise) to image. Salt & Pepper Noise values are 0 or 255 but random-value impulse noise values vary from 0 to 255
frft_juxing
- 提供基于FRFT土耳其算法的几个基本函数的仿真代码,包括矩形函数、冲激函数、阶跃函数,特别对矩形函数做了反变换,以及实虚部用实虚线分别表示。初学FRFT者,推荐下载。-Based on the FRFT Turkey algorithm provides several basic function simulation code, including rectangular function, impulse function, step function, especially for re
The-same-impulse-response
- 是利用冲激响应不变法设计一个巴特沃斯数字低通滤波器。根据滤波器的设计思想脉冲响应不变法将模拟低通滤波器变换到数字低通滤波器,利用MATLAB绘制出数字低通滤波器的系统幅频函数曲线。-Use the same impulse response is to design a digital low-pass Butterworth filter. According to the impulse response filter design thinking the same method to c
xtxy
- 已知系统转移函数,求冲击响应,阶跃响应,幅频响应和相频响应-Known system transfer function, impulse response seeking, step response, frequency response and phase-frequency response
impulse
- 采用经典辨识——脉冲响应辨识系统的传递函数,文件以函数形式编写主要有3个参数:采样频率、系统阶次、噪声幅值(推荐参数分别为0.1、3、0.1)-Classical identificationThe—— pulse response identification to identify transfer function of the system. The file was written in function form mainly with 3 parameters: the sampl
Plot the transfer function
- Plot the transfer function, the impulse response and the zeroes of the designed filter by using window method.