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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
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MatlabandVCinterfacesinimageanddataprocessing
Matlab与VC接口在图像及数据处理中的应用,需要的下(Matlab and VC interfaces in image and data processing needs of next)
- 2010-05-08 11:59:14下载
- 积分：1
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poisson
这是一个将指定区域内的图像提取出来，与指定图像进行融合的matlab程序，由泊松方程引申而来(This is a designated area of the extracted image, with a specified image of Matlab integration process from the Poisson equation arising from)
- 2007-03-15 20:02:10下载
- 积分：1
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DCT
Discrete Cosine Transformation
- 2013-10-01 20:31:48下载
- 积分：1
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Vehicle
车辆动力学模型，可以用来作动力性能仿真，或是添加其他部件，做复杂模型，该模型已调试通过。(Vehicle dynamics model that can be used for dynamic performance simulation, or add other components, do complex model, which has been through debugging.)
- 2014-05-27 20:36:50下载
- 积分：1
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MonteCarlo
基于matlab的蒙特卡罗方法模拟，可以运行(Matlab-based Monte Carlo simulation, you can run)
- 2009-12-12 19:10:29下载
- 积分：1
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dtcwtPbicubic
Dtcwt and bicubic based image resolution enhancement
- 2012-10-02 18:23:29下载
- 积分：1
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MLP
A Multilayer perceptron for text classification, befor running this code you should provide a feature matrix that indicate sentences
- 2013-05-10 19:17:02下载
- 积分：1
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TCSC
TCSC可控串联补偿装置simulink仿真例程(TCSC controllable series compensation device simulink simulation routine)
- 2021-03-03 17:09:33下载
- 积分：1
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fskd
MATLAB通信原理FSK调制源代码文件(Communication Theory FSK modulation MATLAB source code files)
- 2010-01-14 12:45:44下载
- 积分：1
