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关于带通带阻滤波器的设计，巴特沃思滤波器
压缩包里有：
bendpass.m 为带通程序
bendblock.m 为带阻程序
SE144.wav 采用的声音文件，请放在 C:\\下
bendpass.wav 通过带通滤波器之后的声音，保存在C:\\ bendpass.wav
bendblock.wav 通过带阻滤波器之后的声音，保存在C:\\ bendblock.wav
-on Bandpass Filter with the design, Butterwor
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1．找点一段心电信号，画出信号时域波形和频谱图；
2. 利用MATLAB中的随机函数产生噪声加入到心电信号中，使心电信号被污染，读出污染后的号并画出对应信号的时域波形和频谱图；
3．用双线性变换法设计一个Butterworth带通滤波器，输出所设计的滤波器的阶次，分子、分母多项式的系数，画出滤波器的频率响应（幅频响应和相频响应）曲线；（也可以根据自己需要设置滤波器性能指标）
带通通滤波器设计性能指标：fs1=10Hz, fp1=20Hz, fp1=1000Hz, fs2=120
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实时滤波器，具有精美界面，可以开发自己的应用功能。-You can use 4 types of filters:
- Butterworth
- Chebyshev 1
- Chebyshev 2
- Elliptic
You can use them as:
- Lowpass
- Highpass
- Bandpass
- Stopband
Showing theirs features in frequency, phase and
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In oreder to compare Impulse Invariance method charactristics for transformation analogue filters to digital ones in highpass and bandpass and lowpass formats,here are 6 M-files that simulate a third order butterworth filter analyizing impulse respon
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butterworth bandpass filter design
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The File Contains 5 Other Source Codes include, bandpass Butterworth Filter, Gabor Bank, RGB to HLS Conversion, Image Filtering in Frequency Domain and Hough transform.
I hope that s enough to make me a member.
Regards.
Zizi.
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二阶Butterworth带通滤波器，求序列x(n)(n是资料长度)的二阶Butterworth带通滤波序列y(n)-The second-order Butterworth bandpass filter, to seek sequence x (n) (n is the length) of the second order Butterworth band-pass filtering sequence y (n)
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design of:
1.butterworth bandpass filter
2.butterworth bandstop filter
3.butterworth lowpass filter
4.butterworth highpass filter
for the given specifications using matlab
design of:
1.hilbert transformer
2.differentiator
using
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用matlab实现巴特沃斯带通滤波器的M文件。本例读取电脑自带的XP开机声音，加上噪声，然后滤波看效果。-Using matlab to achieve the M-file Butterworth bandpass filter. This case, read the computer comes with XP start-up sound, plus noise, and then filter to see the effect.
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基于matlab的iir巴特沃斯的带通滤波器设计，非常好用-Based on the matlab iir Butterworth bandpass filter design, very easy to use
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无限长单位脉冲响应(IIR)滤波器的设计：包括巴特沃兹带通滤波器，数字高通滤波器，巴特沃兹带通滤波器，-Infinite impulse response (IIR) filter design: including Butterworth band-pass filter, digital filter, Butterworth bandpass filter,
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Butterworth Bandpass Filter
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双线性变换巴特沃斯发设计数字带通滤波器。matlab环境下-Bilinear transform hair design digital Butterworth bandpass filter
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巴特沃斯带通滤波器和低通滤波器以及高通滤波器设计,可以对比学习滤波器的设计-Butterworth bandpass filter and a low-pass filter and a high pass filter design, you can compare the learning filter design
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巴特沃斯带通滤波器，简单实用，matlab-Butterworth bandpass filter, simple and practical, matlab
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利用matlab编写的实现带通巴特沃斯滤波器功能的例子-a program to realize band-pass Bunerworth
filter function with matlab
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设计带通滤波器（Butterworth、椭圆、窗函数FIR），采样率fs＝1000Hz, 通带范围为150~300Hz，画出频率响应并分析比较。-Bandpass filter design (Butterworth, elliptic, window functions FIR), sampling rate fs = 1000Hz, the pass band in the range of 150 ~ 300Hz, draw the frequency response analysis
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本程序可以实现地震滤波处理，采用的是巴特沃斯带通滤波器。-This procedure can be used to seismic wave filtering. Butterworth bandpass filter has been applied.
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该文件中包含巴特沃斯高通滤波器以及带通滤波器的源码(The file contains the source code of the Butterworth high pass filter and the bandpass filter)
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带通滤波器 IIR数字巴特沃思带通滤波器设计 IIR数字巴特沃思带通滤波器设计(Design of IIR digital Butterworth bandpass filter Design of IIR digital Butterworth bandpass filter)
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