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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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matlab-code
最优化控制及其matlab实现，里面有很多程序的代码，很实用，希望大家多交流学习(Control and optimization matlab realize, there are many program code, very useful, I hope to learn more exchanges)
- 2013-07-20 16:41:53下载
- 积分：1
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emd
EMD的程序要用到matlab的时频工具箱
matlab的工具箱的安装步骤：
1.解压下载的文件包，将tft/mfile复制到matlab的toolbox文件夹下
2.建立搜索路径，matlab->file->Set Path->Add Folder
->选择mfile文件夹复制到matlab的toolbox的路径->save->close
3.测试是否建立搜索路径成功，在matlab命令窗口打入：which fmsin
返回的结果是你放mfile的正确路径说明建立搜索路径成功。此时就完成了安装工具包的工作。(EMD program to use when the frequency of matlab toolbox
matlab toolbox installation steps:
Unzip the downloaded file package, copy tft/mfile to the toolbox matlab file folder
2 established the search path, matlab-> file-> Set Path-> Add Folder
-> Select mfile folder to the toolbox matlab path-> save-> close
3 test whether to establish a successful search path in matlab command window enter: which fmsin
The result returned is the correct path you put mfile instructions to establish a successful search path. This time to complete the installation kit work.)
- 2014-09-03 10:03:01下载
- 积分：1
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adaptive4
自适应有限元求解第一类和第二类边界条件的拉普拉斯方程的相关子程序(Adaptive finite element solution of the first and second boundary conditions related to the Laplace equation subroutine)
- 2011-10-05 21:07:14下载
- 积分：1
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matlab3
MATLAB 课本实例教程MATLAB 课本实例教程MATLAB 课本实例教程MATLAB 课本实例教程MATLAB 课本实例教程(MATLAB)
- 2009-12-23 09:01:24下载
- 积分：1
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Ch2figs
阵列处理第二章的源代码 matlab code(array processing matlab code)
- 2012-04-27 09:05:55下载
- 积分：1
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parse
关于电磁波散射的时域有限差分法计算程序 很好的(a code about finite difference time domain method for electromagnetic waves scattering)
- 2009-03-21 11:03:43下载
- 积分：1
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edge_detection
simple edge detection code
- 2010-11-08 10:34:12下载
- 积分：1
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test3
vc和mat混合编程，利用matlab的com组件来实现mat和vc的混合编程(vc and mat mixed programming, the use of matlab' s com vc components to achieve mat and Hybrid Programming)
- 2011-04-25 09:54:16下载
- 积分：1
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range_zoudong
关于距离走动和距离走动校正的仿真程序，思路清晰，很有条理，赶紧下载吧。(About distance walking distance around and calibration of the simulation program ideas clearly, very organized, hurriedly download it
)
- 2021-04-27 09:38:44下载
- 积分：1
