-
code
tricolor attenuation model
- 2011-05-03 00:36:47下载
- 积分:1
-
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
-
opticalmultichannel
多模光纤的信道特性研究,以上是其全部代码。主要针对多模光纤的高频带通特性
(multimode fiber channel characteristics, and above all its code. Targeted at multi-mode fiber high-frequency band-pass characteristics)
- 2006-12-07 14:52:11下载
- 积分:1
-
cinematicmodelPAten
CINEMATIC MODEL OF A ROBOT
- 2009-09-22 21:20:16下载
- 积分:1
-
modulate_21Mc
对要发送的序列进行上变频,上变频到21MHz后进行发送。(change the frequence uop to the one that suit for transmission,which here is 21MHz.)
- 2009-03-30 12:54:13下载
- 积分:1
-
1003
some paper talk about how to use hmm train data (some paper talk about how to use hmm train data )
- 2012-11-25 22:39:05下载
- 积分:1
-
合成权值的补偿相位估计性能 sumple
研究了合成权值的补偿相位估计性能,分析了天线数对算法性能的影响,适合于低信噪比(Studied the synthetic weight to compensate the phase estimation performance, analyzed the antenna effect the performance of the algorithm, is suitable for low signal-to-noise ratio
)
- 2020-06-30 06:20:02下载
- 积分:1
-
ssim
matlab code of ssim of image quality
- 2020-10-20 17:27:24下载
- 积分:1
-
BEAM_MUSIC
阵元间隔为半波长的均匀分布16元线阵,预成指向士arcsin((2i-1)/16)(i=l,2,…,8)的16个均匀加权常规波束,远场有5个互不相关的目标源发射信号,每个源相对于基阵的方位为-40,-42,-5,30和33,且每个信号源到达基阵的信噪比相同,均为5DB,快拍数为1000.(Array element spacing of half wavelength for the uniform distribution of 16 per linear array, pre-point disabilities into arcsin ((2i-1)/16) (i = l, 2, ..., 8) of 16 evenly weighted conventional beam, far-field has 5 unrelated target the source of emission signals, each source array relative to the position for the-40,-42,-5,30 and 33, and each signal source to the array signal to noise ratio the same as Scientology, are 5DB, snapshots for 1000)
- 2009-03-16 10:45:08下载
- 积分:1
-
the-realize-of-FFT-in-C-program
改程序在Turbo C或Visual 6.0中编译,能够实现基2的快速的傅里叶变换。(Reform program in Turbo C or Visual 6.0 compiled, enables fast Fourier transform base 2.)
- 2014-11-10 18:30:34下载
- 积分:1