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timefrequencyanalysis
短时fourier变换 tfrstft计算离散信号x(t)(Short-time fourier transform discrete signals tfrstft computing x (t))
- 2007-11-12 21:39:56下载
- 积分:1
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Matlab_simulink
主要是Matlab和Simulink相关的资料,包括Simulink使用手册,通信模块之类的。(Matlab and Simulink are mainly related information, including Simulink user manual, such as communication module.)
- 2009-05-12 00:49:57下载
- 积分:1
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laplace_2D
this is Laplace 2D . i solve with Jacobi Iteration method ,Point Gauss-seidel Interation method,Line Gauss-Seidel Iteration method ,Point Successive Over-Relaxation method (PSOR),Line Successive Over-Relaxation method (LSOR)
- 2013-05-03 15:30:46下载
- 积分:1
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YiQun
matlab + 最短路径 改进的蚁群算法(matlab+ improved ant colony algorithm for the shortest path)
- 2013-09-01 21:33:28下载
- 积分:1
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echo
This is a source code for having echo effect in sound via DSP techniques
- 2015-03-21 19:58:39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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donglixuefangzhen_tanhuangbai
利用matlab进行动力学仿真之三,学习理论力学的同学可以参考一下(Dynamics simulation carried out using matlab third of the students to learn theoretical mechanics reference)
- 2008-07-23 11:30:35下载
- 积分:1
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program1
matlab 通信仿真。好(communication matlab simulation. Well)
- 2008-07-29 17:17:16下载
- 积分:1
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jiyuMATLABdetuxiangchuli
说明: 基于MATLAB实现各种图片的读取显示及滤波功能,已经编译成功(Achieve a variety of images based on MATLAB to read display and filtering has been successfully compiled)
- 2011-03-21 12:52:32下载
- 积分:1
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knn
lassification som reseau
- 2012-03-27 11:13:29下载
- 积分:1