搜索资源列表
experiment2
- 理想低通、高通、巴特沃斯低通高通滤波器对图像进行锐化和模糊处理-Ideal low-pass, high pass, Butterworth low pass high pass filter sharpening and blurring the image processing
filter
- 本文通过设计一个Butterworth低通滤波器(通带截止频率wp,阻带截止频率ws,通带最大衰减Rp,阻带最小衰减Rs)实现了对受工业高频干扰的人体心电图信号的滤波-matlab
gy
- 加椒盐噪声,二维高斯低通滤波器,计算二维线性滤波-Add salt and pepper noise, Gaussian low-pass filter to calculate two-dimensional linear filtering
cheby11
- 低通滤波器实现滤波白噪声,产生一定宽度的白噪声-noise filter
liue
- 用窗函数法设计线性相位FIR低通滤波器。要求通带截止频率ωc=π/4,单位脉冲响应h(n)的长度N=23。绘出h(n)及其幅频响应特性曲线-Window function with linear phase FIR design a low pass filter. Required pass-band cutoff frequency ωc = π/4, unit impulse response h (n) of length N = 23. Plot h (n) and frequency
3
- 运用低通滤波器,中心削波和自相关技术估计一段男性和女性语音信号的基音周期,画出基音轨迹曲线,给出估计准确率。-The use of low-pass filter, the center clipping and related technologies is estimated from a male and female speech signal pitch period, pitch trajectory drawn curves of estimated accuracy.
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
VHDL-FIRfilter
- 利用vhdl实现fir低通滤波器的设计,并且使用了MATLAB,很好很强大。-VHDL MATLAB fir lowpass filter
dds
- 块DDS芯片中主要包括频率控制寄存器、高速相位累加器和正弦计算器三个部分(如Q2220)。频率控制寄存器可以串行或并行的方式装载并寄存用户输入的频率控制码;而相位累加器根据dds频率控制码在每个时钟周期内进行相位累加,得到一个相位值;正弦计算器则对该相位值计算数字化正弦波幅度(芯片一般通过查表得到)。DDS芯片输出的一般是数字化的正弦波,因此还需经过高速D/A转换器和低通滤波器才能得到一个可用的模拟频率信号。 -In the programming step, the electronic
chengxu
- 给音乐添加噪声再通过低通滤波器滤掉噪声,性能改善过后能明显看到效果。-Add noise to the music and through a low pass filter filters noise, performance improvement can be evident after the effects.
btttord
- 数字低通或模拟低通滤波器的阶次,模拟低通原型滤波器。-buttord,buttap,lp2lp
IIr
- 十阶巴特沃斯低通滤波器设计(应用时域交叉原理编写的VHDL代码)-10-order Butterworth low pass filter design (application of principles of time-domain cross-written VHDL code)
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
matlab
- LMS算法的自适应滤波器MATLAB仿真,路径设置为一个低通滤波器。-LMS adaptive filter algorithm MATLAB simulation, the path is set to a low-pass filter.
filter
- 绘制四种常用低通模拟滤波器(贝赛尔滤波器,巴特沃斯滤波器,切比雪夫滤波器及椭圆滤波器)幅频特性曲线-Draw four commonly used low-pass analog filter (Bessel filter, Butterworth filter, Chebyshev filter and elliptic filter) amplitude-frequency characteristic curve
RC
- 一阶RC低通滤波器与二阶RC低通滤波器特性分析及其阶跃响应对比-First-order RC low-pass filter with the second-order RC low-pass filter characteristics of its step response comparison
Bessel
- Bessel低通滤波器特性幅频及相频特性分析及其阶跃响应和方波响应-Bessel low-pass filter characteristics of amplitude and phase frequency characteristics of frequency and step response and the square wave response
xiaobosoundsignal
- 对原始图像在水平方向和垂直方向与2个滤波器(低通、高通)相卷积,可以得到4块面积为原图像1/4的子图,分别为水平方向低频和垂直方向低频(HH)、水平方向低频和垂直方向高频(HG)、水平方向高频和垂直方向低频(GH)、水平方向高频和垂直方向高频(GG)。-The original image in the horizontal direction and vertical direction and two filters (low pass, high pass) with convolutio
figure4_14
- 巴特沃思低通滤波器函数的透视图 阶数从1到4的滤波器横截面 -Butterworth low-pass filter function perspective order of the filter from 1 to 4 cross-section