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q1_15
makes cos functions. and tan fucnction, sin function
- 2010-06-03 20:27:09下载
- 积分:1
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2007ZDH2007LW00009257
基于智能控制的开关磁阻电动机调速系统 对开关磁阻的前景进行的分析(very useful)
- 2009-03-09 11:45:08下载
- 积分:1
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SOME-RADAR-TOPICS
一些雷达的波形设计理论和方法介绍,有一些matlab源代码(Radar waveform design theory and method of introduction, matlab source code)
- 2013-03-05 21:59:26下载
- 积分:1
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Untitled
利用混合同余法产生均匀随机数,并利用均匀随机数生成高斯白噪声序列。(Mixed congruential method to generate uniform random numbers, and using the uniform random number generator Gaussian white noise sequence.)
- 2012-10-04 15:00:15下载
- 积分:1
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QR
说明: 矩阵QR分解,采用householder方法。输入矩阵,返回分解参量,QR decomposition(QR decomposition)
- 2015-03-28 09:44:08下载
- 积分:1
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regress-1134697
Regression test case for issue 1134697.
- 2014-02-06 08:46:32下载
- 积分:1
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kl.sid
system identification base least square error on step peridiction
- 2014-02-10 23:40:01下载
- 积分:1
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Untitled2
一个有关ODFM仿真的程序,为平时通信原理大作业所用(A the relevant ODFM simulation program for the big job usually Communication Theory)
- 2013-04-16 10:32:28下载
- 积分:1
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matlab
运用matlab,对多彩分辨率彩色图像进行增强。
求取直方图和相关图。实用了对比度拉伸和去相关拉伸等增强方法。(Use matlab, colorful resolution for color image enhancement. Strike histograms and correlation diagram. Practical related to the contrast stretching and stretching enhancement.)
- 2014-01-18 13:21:14下载
- 积分:1
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two_ray_model
Modelo de dos rayos de Andrea Goldsmith (figura 2.5, según expresión
2.12)
f = 0.9 frecuencia en GHz
landa = 0.3/f en m
R = -1 coeficiente de reflexión en tierra
ht = 10 altura del transmisor en m
hr = 2 altura del receptor en m
Gt = 1
Gr = 1
Pt = 1
d=10:.1:100000
phase_diff = 4*pi*ht*hr./(landa*d) aproximación
Pr = Pt*((landa/(4*pi))^2)*((abs((sqrt(Gt)./d) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff)))./d)).^2)
Pr = Pt*((landa/(4*pi))^2)*(1./d).*((abs((sqrt(Gt)) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff))))).^2)
figure(1), clf,
plot((d),10*log10(Pr/max(abs(Pr))))
grid
xlabel( log_1_0(d) )
ylabel( Potencia recibida (dBm) )
- 2010-02-08 06:31:54下载
- 积分:1