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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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5.18
编写程序定义一个vector对象,其每个元素都是指向string类型的指针,读取该vector对象,输出每个string的内容及其相应的长度。(Write a program to define a vector object, which each element is a pointer pointing to the string type, reads the vector object, the output of each string and the corresponding length.)
- 2015-03-04 15:22:04下载
- 积分:1
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FLAC3D_TO_TECPLOT
将软件的建模功能用专业的软件实现,这个很不错,可以完全实现自动处理(The software' s modeling capabilities with professional software, this is very good, you can completely automate processing)
- 2014-05-24 22:14:56下载
- 积分:1
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MatlabSimuLinkToCode
Matlab_Simulink模型到C_C_代码的自动实现(Matlab_Simulink model to C_C_ code automatically)
- 2010-10-10 10:45:17下载
- 积分:1
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Sstrapdowwnt
捷联惯性导航源程序,希望对您您有所帮助。谢谢大家可直接使用。
(Strapdown inertial navigation source, you help you. Thank you all can be used directly.)
- 2012-07-26 23:34:38下载
- 积分:1
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uniform-circular
均匀圆阵部分阵元失效情况下的DOA估计方法(Part of uniform circular array element failure in case of DOA Estimation)
- 2013-12-26 12:47:54下载
- 积分:1
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Biometric-Testing
Biometric Fingerprint, testing application
- 2013-12-11 22:08:35下载
- 积分:1
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-FDTD-
集总元件的多网格FDTD模型及其在混合电路中的应用(Multi-Grid FDTD model and its application in the mixed lumped circuit elements)
- 2013-12-04 19:26:32下载
- 积分:1
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BackscatterMap
雷达影像后向散射系数计算,并绘制后向散射系数图(backscattering coefficients of Radar image, show the figure of backscatter coefficients)
- 2021-03-31 15:49:09下载
- 积分:1
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matlab_files
programer test is peogramming
- 2012-02-03 19:20:04下载
- 积分:1