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lvboqi
- matlab程序滤波器,有IIR各种滤波器,可以实现低通,高通,带通,带阻等滤波器-matlab program filters, there are various IIR filters can achieve a low pass, high pass, band pass, band stop filter
Butterworthlowpassfilterandhighpassfilter
- 低通和高通滤波程序,是常用的图像预处理程序-lowpass filter program and highpass filter program
LVBO
- 简单的滤波程序,有高通、低通、带通三种滤波形式可供选择,经测试滤波效果明显。-A simple filtering process, a high-pass, low pass, band-pass filter form of three options, tested filtering effect is obvious.
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.
morphologicalFiler_vc
- 包括均值滤波,中值滤波,灰度形态学滤波,高斯低通滤波,统计滤波等-图像平滑与去噪,-Including the mean filter, median filter, grayscale morphological filtering, Gaussian low-pass filtering, statistical filtering- smoothing and denoising,
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
voice
- 设计了fir语音频段的低通、带通、高通滤波器。 可以用于语音信号处理。-A pile of fir filters are designed in this file, including lpf,bpf and hpf.
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
Bessel_Butter_delay
- 绘制8阶Bessel和Butterworth模拟低通滤波器的幅频响应曲线及群延时曲线- Draw order Bessel and Butterworth 8 analog low-pass filter amplitude frequency response curve and group delay curve
IS95Gausewhitenoise
- IS95 FIR滤波器低通滤波白噪声(由输入和输出噪声功率谱图可见,IS-95滤波器较好实现了低通滤波。)-IS95 FIR low-pass filter white noise filter
Lowpassfiltermatlab
- 低通滤波器,用Matlab编程实现低通滤波器的功能-Low-pass filter, using Matlab programming function of the low-pass filter
example4_5
- 分析双极性不归零码的功率谱特性请输入随机序列的长度N= -ubplot(312) plot(f,lpf) title( 低通滤波器 ) axis([-fs/2 fs/2-0.2 1.2]) subplot(313) plot(f,abs(yr_lpf)/N) title( 经低通滤波后的频谱 ) xlabel( f /Hz )
example4_6
- :滤波 fs=400 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=5 时间窗大小 t=0:ts:T -hf1=zeros(1,N) hf1(f<=B1&f>=-B1)=1 y1=hf1.*fftshift(y) figure subplot(211) plot(f,abs(fftshift(y))/N,f,hf1, r-- ) axis([-fs/2,fs/2,0,1.2]) title( 原信号
filter
- 里面有对img格式文件的读取方式,还有对图像进行低通和高通滤波的方法。-There is on img file format, and read the image low-pass and high-pass filter method.
fir
- DES3200实验系统的模拟信号输出通道产生一个1KHz 的方波,然后利用信号输入通道对产生的方进行低通滤波,得到一个1KHz 的正弦信号,并使用CCS 的图形显示工具显示输入和输出的波形。这里我们使用的是一个46阶的对称结构的FIR低通滤波器,其采样频率Fs为25KHZ,通带截止频率 1KHZ,阻带截止频率为3KHZ,阻带衰减为-60dB。-DES3200 experimental system analog output channel generates a 1KHz square wav
111
- Xilinx单片机 通过低通滤波实现示波器XY双通道输出点并且控制运动轨迹程序
pcm
- 脉冲编码调制(PCM)实现 编程实现PCM技术的三个过程:采样、量化与编码。 采样:低通连续信号采样,以 x=sin(200*t) m=x./(200*t) m=m.*m 为例说明低通采样定理,绘出信号时、频图形;带通连续信号采样,以x=sin(20*t) m=x./t 为例说明带通采样定理,绘出信号时、频图形。 量化:均匀量化,以幅度 的正弦信号为例实现为64级电平的均匀量化;非均匀量化,输入A律PCM编码器的正弦信号 ,采样序列为 ,将其进行PCM编码,给出编码器的输出码组序列