Description: IIR数字滤波器巴特沃思设计方法，程序包括输入信号输出信号的时域频域分析图-Butterworth IIR digital filter design methods, and procedures, including the input signal when the output signal frequency domain analysis maps Platform: |
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Author:郑茜 |
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Description: 按照给定指标采用模拟低通滤波器（巴特沃思低通）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 low-pass filter (Butterworth low-pass) to approximate the ideal analog low-pass filter, and then through the bilinear transformation method of digitizing analog filters, the digital filter. Platform: |
Size: 2048 |
Author:李文嘉 |
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Description: matlb编写的IIR滤波器程序，按照给定指标采用模拟低通滤波器（巴特沃思低通或者切比雪夫低通）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 。-IIR filter matlb prepared by the procedure, according to set targets and analog low-pass filter (Butterworth low-pass or low-pass Chebyshev) approximation to the ideal analog low-pass filter, and then through the bilinear transformation method for analog filtering device to digitize, the digital filter. Platform: |
Size: 1024 |
Author:李淡 |
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Description: IIR 数字滤波器设计：模拟低通巴特沃思滤波器、模拟低通切比雪夫1型滤波器、模拟低通切比雪夫2型滤波器、模拟椭圆低通滤波器-IIR Digital Filter Design: Analog low-pass Butterworth filter, analog low-pass Chebyshev Type 1 filter, analog low-pass Chebyshev type 2 filter, analog elliptical low-pass filter Platform: |
Size: 2048 |
Author:menger |
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Description: 利用双线性变换设计IIR滤波器（只介绍巴特沃斯数字低通滤波器的设计），首先要设计出满足指标要求的模拟滤波器的传递函数 ，然后由 通过双线性变换可得所要设计的IIR滤波器的系统函数 。-IIR filter design using bilinear transform (only introduced the Butterworth digital low-pass filter design), first designed to meet the index requirements of analog filter transfer function, then available via the bilinear transformation to design of the IIR filter system function. Platform: |
Size: 50176 |
Author:cuiqida |
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Description: 设计巴特沃斯低通和高通IIR数字滤波器，得到二阶频率级联参数-Design of Butterworth low-pass and high-pass IIR digital filters, to be cascaded second-order frequency parameter Platform: |
Size: 1024 |
Author:陈峰 |
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Description: 模拟巴特沃斯滤波器，并可观察期幅频相频特性曲线-Analog Butterworth filter, and can observe the phase frequency of amplitude-frequency characteristic curve Platform: |
Size: 40960 |
Author:曹虹 |
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Description: 数字信号处理的问题，用MATLAB编写的，用巴特沃斯、切比雪夫等设计IIR数字滤波器的程序。-Digital signal processing issues, written with MATLAB, with Butterworth, Chebyshev design of IIR digital filters and other procedures. Platform: |
Size: 1024 |
Author:lena |
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Description: 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 Platform: |
Size: 1024 |
Author:chenjie |
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Description: 1、不同阶次模拟巴特沃兹滤波器的频率响应
2、根据模拟滤波器指标，设计低通巴特沃兹滤波器
要求通带截止频率 fp = 5kHz, 通带最大衰减 ɑp =2dB， 阻带截止频率 fs= 12kHz, 阻
带最小衰减ɑs =30dB,按照上述指标设计巴特沃兹低通滤波器。
3、给定模拟滤波器，按照不同采样频率设计数字 IIR，观察采样频率对设计结果的影响
已知模拟滤波器传输函数 H(s)为
2
0.5012
( )
0.6449 0.7079
H s
s s
=
+ +
按照不同采样频率 Fs1=1Hz, Fs2=10Hz 使用脉冲响应不变法将 H(s)转换为 H(z)数字
IIR 滤波器。观察不同采样频率设计得到的数字 IIR 的差异。
4、给定数字 IIR 指标，用脉冲响应不变法设计 IIR。
数字低通滤波器的指标为: 0.2 , 1 , 0.3 , 15
p p s s
ω π α ω π α = = = = dB dB ,使用巴特沃
兹滤波器设计数字 IIR。比较采样频率 Fs=1， 2 时设计过程中的模拟滤波器，数字滤波
器的变化。
5、用双线性变换法设计 IIR，并同脉冲响应不变法比较设计的结果。数字滤波器指标要
求如下
0.2 , 1 , 0.3 , 15
p p s s
ω π α ω π α = = = = dB dB(1.Grasp the impulse response method and bilinear transformation design IIR filter principle and specific design methods, familiar with double
A computer program for designing lowpass, bandpass and highpass IIR digital filters by linear design;
2 . familiar with the design of analog Butterworth filter, master impulse response method and bilinear transformation method to design digital IIR
Filter method) Platform: |
Size: 4096 |
Author:花祭嘉音
|
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Description: 模拟低通滤波器的巴特沃思逼近、切比雪夫型逼近方法；从模拟低通到模拟高通、带通、带阻的频率变换法；从模拟滤波器到数字滤波器的脉冲响应不变法、双线性变换法的基本概念、基本理论和基本方法。
巴特沃思、切比雪夫模拟低通滤波器的设计方法；利用模拟域频率变换设计模拟高通、带通、带阻滤波器的方法。
利用脉冲响应不变法、双线性变换法设计数字滤波器的基本方法；能熟练设计巴特沃思、切比雪夫低通、带通、高通、带阻数字滤波器。
利用 MATLAB 直接进行各类数字滤波器的设计方法。(The basic concepts, theories and methods of Butterworth approximation and Chebyshev approximation of analog low-pass filter, frequency conversion from analog low-pass to analog high pass, band-pass and band stop, impulse response immutability from analog filter to digital filter and bilinear transformation.
Butterworth and Chebyshev design method of analog low-pass filter; design method of analog high pass, band-pass and band stop filter by using analog domain frequency conversion.
The basic method of designing digital filter by using impulse response invariant method and bilinear transformation method; be able to skillfully design Butterworth, Chebyshev low-pass, band-pass, high pass and band stop digital filter.
Matlab is used to design all kinds of digital filters directly.) Platform: |
Size: 8192 |
Author:无_kkx |
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Search - matlab iir butterworth