网站首页

two_ray_model

于 2010-02-08 发布文件大小:1KB

 0  228

下载积分: 1 下载次数: 11

我要下载

代码说明：

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) )

下载说明：请别用迅雷下载，失败请重下，重下不扣分！

发表评论

0 个回复

zuiyouhua
才有matlab实现最优化理论的几个重要算法，分别是最速下降法，内点法，外点法，插值法(Matlab to achieve optimization theory have several important algorithms, namely, the steepest descent method, interior point method, external point method, interpolation method)

2013-11-01 12:06:37下载

积分：1
kangyao
一种流形学习算法（很好用），计算互信息非常有用的一组程序,车牌识别定位程序的部分功能。( A fluid manifold learning algorithm (good use), Mutual information is useful to calculate a set of procedures, Part of the license plate recognition locator feature.)

2016-05-15 17:04:47下载

积分：1
analysis_patterns
martin s best book. analysis pattern.(martin's best book. Pattern analysis.)

2007-05-10 16:47:59下载

积分：1
multi-tracking-01.ps
kalman filter algorthim for tracking

2012-08-24 15:07:49下载

积分：1
DG_PSO
利用PSO算法求解分布式电源的选址定容问题，并考虑了分布式电源的随机性(Randomness of the PSO algorithm DG locating and sizing issues and considered the DG)

2021-04-20 09:58:50下载

积分：1
pso_2D
利用粒子群优化算法实现两个变量求最大值，很实用的一个matlab程序(Particle Swarm Optimization)

2010-06-06 10:00:48下载

积分：1
ChaosAttractors
混沌优化程序，各种混沌优化的例子，时分混沌，chengs,logistic,duffing,henon,loren2.(chaos optimization procedures, various examples of chaos optimization, chaotic hours, chengs, logistic, Duffing, henon, loren2.)

2007-04-11 09:32:44下载

积分：1
emuWind
The EnumWindows function enumerates all top-level windows on the screen by passing the handle to each window, in turn, to an application-defined callback function. EnumWindows continues until the last top-level window is enumerated or the callback function returns FALSE.

2014-10-25 07:01:03下载

积分：1
张正友摄像机标定
说明：经典相机标定法，张正友标定法的MATLAB实现，值得借鉴(The classical camera calibration method, zhang zhengyou calibration method MATLAB implementation, it is worth learning)

2019-06-22 14:05:47下载

积分：1
matlab
傅里叶变换，系统信号转换有关，频域时域变换问题(Fourier transform, the system signal conversion is related to the frequency domain the domain transform)

2012-05-23 13:19:27下载

积分：1

696516资源总数
106914会员总数
0今日下载

two_ray_model

0 个回复

热门标签

热门下载