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00018
基于matlab开发的特征选择算法,提取ECG(心电信号)的最有特征组合,降低特征维度。(Based matlab developed feature selection algorithm the extracted ECG (ECG) is the most feature combination to reduce the feature dimension.)
- 2012-11-14 17:55:11下载
- 积分:1
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IIR
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)
- 2021-01-05 16:48:54下载
- 积分:1
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characterdataappenddata
Retrieve the character data from the second child of the first employee. T.
- 2013-12-06 14:38:29下载
- 积分:1
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GraphicsAndGUIsWithMATLAB3rdEd2003Part1
Using Graphic in MatLab part 01
- 2010-12-13 10:12:47下载
- 积分:1
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DPD_winer
射频发射链路功放预失真模型,功放模型采用wiener模型(DPD wiener PA behavior model)
- 2013-01-31 17:46:10下载
- 积分:1
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fenge
matlab的一个小程序,主要功能是利用投影的方法对车牌字符分割,运行流畅,运行的结果页很好。(matlab a small program, the main function is using the projection method of license plate character segmentation, smooth running, run of good results page.)
- 2012-09-05 17:21:56下载
- 积分:1
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mohukongzhiguize2
炉温模糊控制规则的matlab simulink仿真(Furnace temperature fuzzy control rules matlab simulink simulation)
- 2013-12-06 08:35:51下载
- 积分:1
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orbit
基于matlab编程,给定几对初值,利用ode求解奔月的轨道示意图(Matlab-based programming, given a few of the initial value, the use of ODE solving flying to the moon orbit diagram)
- 2013-04-27 21:12:17下载
- 积分:1
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Voltage sag
Voltage sag compensation controlling by Fault Current Limter under different load conditions.
- 2014-04-04 12:27:11下载
- 积分:1
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DCT_watermark
基于DCT数字水印算法,希望能有用,用信噪比,检验鲁棒性(Digital watermarking algorithm based on DCT)
- 2010-06-25 15:57:30下载
- 积分:1