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chap_3
matlab从入门到精通第3章书后源码对初学者很有帮助(matlab)
- 2009-03-19 06:07:43下载
- 积分:1
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fastmult
nice document about the fast manipulation of multi-dimensional arrays in matlab,with some examples to avoid loops and using indices
- 2009-05-26 04:53:06下载
- 积分:1
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wanshu
说明: 一个数如果恰好等于它的因子之和,这个数就称为“完数”。例如6=1+2+3.编程
找出1000以内的所有完数。
(If a number is just equal to the sum of its factors, this number is called " End of a few." For example 6 = 1+2+3. Programmatically find all finished within a number of 1000.)
- 2011-03-30 13:03:48下载
- 积分:1
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MATLAB-NN-Simulink-and-application-
MATLAB神经网络仿真与应用,详细介绍BP,Hofield网络等编程实例,案例丰富。(MATLAB neural network emulation and application, detailing the the BP Hofield network programming examples, case.)
- 2012-06-27 22:14:43下载
- 积分:1
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pitch
采用自相关法提取基音,里面有求取自相关的函数。(To extract the pitch of the autocorrelation method)
- 2014-11-02 20:10:44下载
- 积分:1
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bpsk
说明: BPSK仿真 仿真了在瑞利信道和加性高斯白噪声 下的调制和解调及误码率(The simulationof bpsk, input the signal in Rayleigh and awgn)
- 2011-03-23 21:15:53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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avefilt
说明: matlab 自己编写的均值滤波 适合图象处理(I have written matlab mean filter for image processing)
- 2011-03-18 20:45:01下载
- 积分:1
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matlabwav
读取wav文件,画出其时间-幅值图和做傅立叶变换(read documents paint their time-amplitude map and do Fourier Transform)
- 2007-05-18 20:54:58下载
- 积分:1
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LE
说明: 计算各种混沌系统李雅普洛夫指数的MATLAB 源程序。(Calculation of chaotic systems suitable lyapunov index of rove MATLAB source.
)
- 2014-09-20 15:00:34下载
- 积分:1