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说明: 给予神经网络训练的MATLAB 程序 有很大的用处 解说的非常详细(Given the MATLAB neural network training procedures have great usefulness of the very detailed explanation)
- 2009-07-08 20:39:21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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zeroBeampattern
标准矩形阵列的波束方向图切面的极坐标图,均匀加权:(a)phai=0度或90度;(b)phai=45度。(Polar plot of uniformly weighted rectangular array)
- 2011-12-21 16:09:20下载
- 积分:1
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BlindSignaSeparationalgorithm
speech processing for signal seperation
- 2010-09-06 02:42:13下载
- 积分:1
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AR1_P32
autoregresive model grade 1
- 2011-04-20 23:05:49下载
- 积分:1
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houghzhixian
霍夫变换实现直线检测,这是一种非常简单的直线识别方式(hough lines)
- 2010-05-08 16:42:47下载
- 积分:1
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OFDMmoni
这是一个相对完整的OFDM通信系统的仿真设计,包括编码,调制,IFFT,上下变频,高斯信道建模,FFT,PAPR抑制,各种同步,解调和解码等模块,并统括系统性能的仿真验证了系统设计的可靠性。
(This is a relatively complete OFDM communication system simulation design, including coding, modulation, IFFT, and down conversion, Gaussian channel model, the FFT, PAPR suppression, and a variety of synchronization, such as demodulation and decoding module and system performance omnibus The simulation results show the reliability of system design.)
- 2012-06-06 21:29:40下载
- 积分:1
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calendar
matlab下的万年历(没有利用自带函数)能够正确显示用户输入的年份和月份的日历。并能够自动定位当前年份和月份(Calendar matlab under (no use of its own function) to display the correct user input month and year calendar. And the ability to automatically locate the current year and month)
- 2013-12-23 20:08:22下载
- 积分:1
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zwicker-loudness-Matlab-code
the zwicker loudness code in matlab
- 2011-07-20 20:07:20下载
- 积分:1
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22234324784658
以比例导引律为基础,用伴随矩阵的构建解释了其闭环形式的解,其中包括初始航向角误差HED的图行,便于分析(The proportional guidance law as the foundation, with the adjoint matrix construction and explains its closed form solution, which includes the initial heading angle error of HED graphics, easy analysis)
- 2013-05-04 16:05:22下载
- 积分:1