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spiht-code
spiht image compression
- 2012-04-03 16:02:54下载
- 积分:1
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example4_4
例4:在sinc(t)信号中叠加噪声,分析对应频谱
fs=100 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=2 时间窗大小
(
x=x+0.1*randn(1,N)
x=awgn(x,-10, measured )
figure
plot(t,x)
title( 时域信号图 )
xlabel( t /s )
y=fft(x,N)
figure
if mod(N,2)~=0
N=N-1
end
f=linspace(0,fs/2,N/2)
plot(f,abs(y(1:N/2))*2/N)
title( 叠加噪声的sinc(t)信号频谱 )
xlabel( f /Hz )
figure
y0=y(1:N/2)
P=y0.*conj(y0)/N
P=10*log10(P)
plot(f,P)
title( 功率谱 )
xlabel( f /Hz )
)
- 2010-05-25 20:59:03下载
- 积分:1
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chaoliu
潮流计算,节点导纳矩阵,节点阻抗矩阵的生成(Generate flow calculation, the node admittance matrix, the node impedance matrix)
- 2014-05-31 10:11:19下载
- 积分:1
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MATLAB
这个文件包含很多MATLAB用于遥感处理的代码!(This file contains a lot of MATLAB code for the remote sensing processing!)
- 2009-06-16 22:29:52下载
- 积分:1
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linear-neural-network
MATLAB线性神经网络应用实例,共有13个例子。(Linear neural network applications, a total of 13 examples.)
- 2014-12-12 08:27:57下载
- 积分:1
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mirror
mirroring an image using only the loops
- 2011-11-02 05:14:55下载
- 积分:1
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PID
该程序是利用PID控制器进行直线一级倒立摆仿真,能够正确实现在matlab8.0软件上的的仿真,通过调节参数画出仿真图(The use of a PID controller for linear inverted pendulum simulation)
- 2013-05-24 23:03:28下载
- 积分:1
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Matlab函数逼近与拟合.part7
说明: Matlab 函数逼近与拟合...
有理函数逼近... 常用的正交多项式逼近..各种最小二乘拟合...连分式逼近... Padé逼近... 傅里叶逼近...(Matlab Function Approximation and Fitting code)
- 2020-06-23 21:20:01下载
- 积分:1
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wt8871
wt8871的源代码,应用于车载仪器仪表或卫星导航等方面(wt8871 for application TV、GPS&outmeetor)
- 2010-02-19 18:42:16下载
- 积分:1
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graph-toolbox
matlab graph toolbox. It includes many algorithms which are used to find out a cycle basis and the shortest path of a graph
- 2012-04-03 04:09:06下载
- 积分:1