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Description: IIR数字滤波器,设计方法,低通、高通、带通、带阻-IIR digital filter design, low pass, high pass, band-pass, band
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Size: 2048 |
Author: 陆魁 |
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Description: 用Matlab实现的IIR滤波器，已经通过编译和运行-Using Matlab realize the IIR filter, has been compiled and run through
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Size: 1024 |
Author: qjx |
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Description: 有限长和无限长数字滤波器的设计程序原代码及完整报告-Finite length and infinite length digital filter design program source code and complete report
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Size: 257024 |
Author: nana |
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Description: 在matlab环境下，仿真了基于信号模型和测量模型的IIR维纳滤波器特性-In matlab environment, the simulation model based on the signal and measurement model of IIR Wiener filter characteristics
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Size: 1024 |
Author: 大头 |
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Description: Introduction to Digital Filter Design. IIR and FIR.
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Size: 2567168 |
Author: Chen |
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Description: 关于数字信号处理的几篇PPT文档(IIR/FIR滤波器设计等)，适合数字信号处理入门学习-Digital signal processing on several PPT files (IIR/FIR filter design, etc.), suitable for digital signal processing Introduction to learning
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Size: 697344 |
Author: 孙川川 |
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Description: 設計數位帶通濾波器其通帶邊緣頻率Fp1=100Hz Fp2=4000Hz ,止帶邊緣頻率 Fs1=20Hz Fs2=4100Hz αp=2dB αs=16dB-design a bandpass IIR digital filter
passband edge1 100Hz stopband edge1 20Hz passband edge2 4000Hz stopband edge1 4100Hz
passband ripple 2 dB
minimum stopband attenuation 16dB
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Size: 1024 |
Author: 韓欣儒 |
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Description: 以FPGA 芯片为平台构建了数字信号滤波实时处理模块, 给出了 50Hz 陷波器的切比雪夫Ê 型 IIR 数字
滤波器 4 阶级联的结构, 提出了对滤波器系数量化的逼近方法, 完成了基于 FPGA 的陷波器实现, 并成功地实现了
对含有工频 50Hz 噪声干扰的心电信号的滤波处理, 通过与M at lab 计算所得到的滤波处理效果进行比较分析, 结
果表明: 基于FPGA 采用切比雪夫Ê 型 4 级级联结构的 IIR 数字滤波器的误差满足设计要求- W ith the development of the techno logy of VL S I, the techno logy fo r digital signal p rocessing has
developed rap idly . In th is paper, the arch itecture of 50Hz four th2 o rder Chebyshev′ s ModelÊ digital f ilter is
show n . In the same t i me, themethod fo r f ilter coeff icient quant if icat i on is p resented . How ever, the f ilter based on
FPGA is i mp lemented . The f ilter can p rocess digital signal successfully and its perfo rmance sat isf ies w ith design
requirement .
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Size: 15360 |
Author: 任伟 |
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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)
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Size: 4096 |
Author: 花祭嘉音
|
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