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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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me
说明: 修改视图图标及标题,能够让程序员使用自己设定的标题及图标(Edit View icon and title, allowing programmers to use their own title and icon set)
- 2010-04-22 01:42:06下载
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Matlab
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- 2009-07-12 19:03:08下载
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svm
支持向量机原理与仿真
(Support vector machine theory level simulation)
- 2014-01-05 16:19:37下载
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MATLAB-Guide
精通Matlab---综合辅导
各种Matlab操作(Proficient in Matlab--- Comprehensive Counseling Matlab operation)
- 2013-04-07 23:35:03下载
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windowfilter
主要是数字信号中窗函数的设计与分析,matlab源代码的设计,提供了时域与频域分析(Is mainly the design and analysis of window function in the digital signal, the design of Matlab source code, provides the analysis of time domain and frequency domain)
- 2015-04-03 18:34:48下载
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EKF_UKF
EKF UKF 滤波算法在MATLAB仿真软件中的仿真,并进行对比(EKF UKF filtering algorithm in MATLAB software simulation, and compared)
- 2013-03-08 22:10:57下载
- 积分:1
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Mmattlab--AGGA
实现MATLAB下的音频AGC,,关键是要有高效的算法。效果不错。
(Audio AGC on MATLAB, the key is to have efficient algorithms. Good results.)
- 2012-07-27 16:18:22下载
- 积分:1
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cifa1
实现haffuman编码的功能,可以正确运行仿真并实现正常的输出(Encoding functions to achieve haffuman)
- 2009-12-08 00:04:04下载
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restore-the-motion-blurred
说明: 根据需要输入模糊参数,生成相应的模糊图像,并对模糊图像进行恢复,验证运动模糊图像的恢复算法(Input fuzzy parameters needed to generate the corresponding blurred image,and restore the blurred image to authenticate the algorithm)
- 2011-03-07 14:10:05下载
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