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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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FRM
Matlab code for Fluid Replacement Modelling
- 2015-02-20 16:49:53下载
- 积分:1
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CardinalPointsFinder
说明: matlab光线追迹例子,用于三片式光学结构追迹仿真(matlab for optic ray tracing)
- 2021-02-06 19:09:56下载
- 积分:1
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MyLMS_LSL
本文件是比较LMS与LSL滤波器的参数的收敛速度(this document is compared with the LMS LSL filter parameters of the convergence rate)
- 2007-01-27 14:53:19下载
- 积分:1
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work
简单的自己写的matlab例程,适合初学者使用下载快速掌握图像处理。(Matlab write their own simple routines for beginners download quickly master image processing.)
- 2013-11-18 21:28:58下载
- 积分:1
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shortestPath
finds the shortest path
- 2015-03-24 11:08:20下载
- 积分:1
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GMI
互信息尺度GEMI.m互信息尺度GEMI.m。函数(Mutual Information-scale mutual information GEMI.m scale GEMI.m. Function)
- 2009-03-10 18:24:30下载
- 积分:1
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ENERGY
涉及D2D通信领域中,尤其是一种D2D通信中分布式功率控制方法。本发明解决其技术问题所采用的技术方案是:一种D2D通信中基于能效优化的分布式功率控制方法,所述控制方法包括以下步骤。本发明的有益效果主要表现在: (Involving the D2D communication field, particularly a D2D communication in distributed power control method. The invention to solve the technical scheme is adopted by the technical problems: a D2D communication in distributed power control method based on energy efficiency optimization, the control method includes the following steps. Beneficial effects of the present invention mainly displays in:)
- 2015-01-09 12:35:37下载
- 积分:1
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tsp_ga
遗传算法算法求解TSP ,在matlab中实现编程。(Algorithm genetic algorithm TSP, in the realization of programming in matlab.)
- 2009-05-09 18:23:20下载
- 积分:1
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yiwei
一维等离子体FDTD的Matlab源代码(One-dimensional plasma FDTD source code in Matlab)
- 2011-12-22 13:14:14下载
- 积分:1