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S
说明: s函数编写指导的书,包括几个不错的例子。对入门的学习很有帮助(s function is to guide the preparation of the book, including several good examples. Very helpful for getting started learning)
- 2010-03-05 16:05:42下载
- 积分:1
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example4_6
:滤波
fs=400 采样频率,必须大于两倍基带信号最高频率
ts=1/fs 采样时间间隔
T=5 时间窗大小
t=0:ts:T (hf1=zeros(1,N)
hf1(f<=B1&f>=-B1)=1
y1=hf1.*fftshift(y)
figure
subplot(211)
plot(f,abs(fftshift(y))/N,f,hf1, r-- )
axis([-fs/2,fs/2,0,1.2])
title( 原信号频谱 )
xlabel( f /Hz )
subplot(212)
plot(f,abs(y1)/N)
title( 低通滤波,截止频率90Hz )
xlabel( f /Hz ))
- 2010-05-25 20:58:05下载
- 积分:1
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echantillonnage
a code source for sampling an analog signal & reconstruction it
- 2014-11-03 22:12:20下载
- 积分:1
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Report_Proj5_jiangchen_10212020018
设计一个程序,用后向Euler 法/梯形法求解电路系统的MNA 方程(该方程由stamp 程
序得到),其中线性方程的求解采用GCR 迭代法。(Design a program that uses the backward Euler method/trapezoid method for solving circuit system MNA equation (the equation obtained by the stamp program), in which the linear equations using GCR iteration.)
- 2021-01-04 21:58:55下载
- 积分:1
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ART_1
利用MATLAB實現類神經網路ART演算法(ART neural network)
- 2011-01-19 00:39:27下载
- 积分:1
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qingzhuofenlei
说明: 基于短时能量 短时过零率 自相关函数的语音清浊分类算法(Zero based on short-term rate of short-term energy autocorrelation function of speech voicing classification algorithm)
- 2011-04-08 20:14:22下载
- 积分:1
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susan_function
susan算法检测边缘的MATLAB实验程序和结果(susan algorithm to detect the edge of the experimental procedures and results of MATLAB)
- 2010-08-24 15:53:15下载
- 积分:1
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CONVCON
通过matlab的m文件对gps卫星信号进行模拟(Gps satellite signal simulation)
- 2009-04-18 18:51:06下载
- 积分:1
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L_D
用Matlab程序实现P阶Levinson-Durbin算法。以一个2阶自回归模型(参数为b0=1, a1=0, a2=0.81)和一个2阶滑动平均模型(参数为b0=1, b1=1, b2=1)为例,选取观测数据长度为1000,分别用一个AR(2)模型和一个AR(10)阶模型来估计其功率谱。设激励信号模型的高斯白噪声的均值为0,方差为1。用Levinson-Durbin算法迭代计算AR模型参数,并用估计出的AR模型参数画出观测信号的功率谱。并对Levinson-Durbin算法的性能进行分析。(Write a small MATLAB program that implements the pthorder Levinson-Durbin (L-D). Run/Test the program using a AR(2) process (b0=1,a1=0, a2=0.81) and an MA(2) (bn=1,1,1) process-about 1000 samples. Use L-D with p=2 (for the AR) and 10 (for the MA). Plot the AR spectra produced in the two cases with L-D. List the direct form and the reflection coefficients in a table. Profile the L-D (total number of computations for a pthorder)
- 2009-12-29 01:39:11下载
- 积分:1
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program-code
语音信号处理,均衡播放,说话者语音识别,加速播放以及回音音效(Speech signal processing, balanced play, speaker voice recognition, accelerated playback as well as echo sound)
- 2014-12-10 16:44:47下载
- 积分:1