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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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22
说明: 语音识别关键性技术的MATLAB仿真实现.pdf(Voice recognition key technologies MATLAB simulation. Pdf)
- 2013-01-03 12:19:58下载
- 积分:1
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HHT
这是我上传的两篇关于HHT应用和HHT局限性的文章,上传出来大家一起看看啊(This is my upload HHT about two applications and the limitations of article HHT, upload them to see if everybody ah)
- 2009-03-13 16:57:30下载
- 积分:1
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pt_line
固高控制卡程序,pt控制方式,需要的可以下载看看.(Googol control card program)
- 2013-12-01 21:58:24下载
- 积分:1
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IECRS-reduce
变压器油中溶解气体的故障诊断方法,即IEC三比值法。用Matlab 程序运用的结果进行整理而得到的约简后的故障诊断决策表(Dissolved gases in transformer oil fault diagnosis method, that is, three-ratio method IEC. Matlab program used to collate the results of the application obtained after reduction of the fault diagnosis decision table)
- 2009-04-15 16:26:18下载
- 积分:1
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fcest_bfsk
该工程实现2fsk的载频估计,返回2fsk两个载频估计结果。(The project is estimated to achieve 2fsk carrier frequency, return 2fsk two carrier frequency estimation results.)
- 2013-12-25 19:07:04下载
- 积分:1
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CBuildermatlabCOM
C++Builder调用matlab的COM总结.
本文就一个具体的例子介绍C++Builder5和Matlab6.5通过COM 实现混合编程的具体实现。(C++ Builder COM call matlab to sum up. This paper describes a specific example of C++ Builder5 and Matlab6.5 through COM concrete realization of hybrid programming.)
- 2010-09-03 19:05:56下载
- 积分:1
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3_6-Ackerman
Ackeman函数的递归方法,运用简洁的递归思想实验复杂数学表达式的计算(Ackeman function recursive method, the use of simple recursive thought experiment to calculate complex mathematical expressions)
- 2015-03-30 16:32:20下载
- 积分:1
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fun
matlab/simulinkSfunctionC文件例子源码matlab/simulinkSfunctionC文件例子源码dfdfwere(dsfsds)
- 2009-07-09 22:37:35下载
- 积分:1
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Simplex-method-procedure
单纯形法的MATLAB程序,自己编的,对于学习线性规划编程的同学有用(Simplex method of MATLAB programs, their compilation, and programming for students to learn useful for linear programming)
- 2010-05-27 19:49:40下载
- 积分:1