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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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mallat
mallat matlab 经典算法,大家学习matlab算法的可以学习借鉴(mallat matlab classic algorithms, we learn matlab algorithm can learn from)
- 2008-12-13 19:21:36下载
- 积分:1
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Monte_Carlo
蒙特卡洛仿真
运用蒙特卡罗方法建立随机仿真模型,对已做手术病人的出院时间进行模拟,从而得到第二天拟出院病人数。再根据一定的优先规则建立基于优先级的病床分配模型,确定第二天应该安排哪些病人住院。(Monte Carlo simulation)
- 2010-08-27 14:49:44下载
- 积分:1
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other_16QAM
this is code for other 16QAM with awgn
- 2009-05-21 14:57:54下载
- 积分:1
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digitalimagekejian(1)
digitalimagekejian(1).rar交流啊(digitalimage(1).rar)
- 2010-03-15 16:20:03下载
- 积分:1
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LiSanTuXing
科学计算和工程中常会产生大量的离散数据,提供绘制这些数据并以图形的形式显示出来。(允许输入拉丁字符的拼音
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取消
Kēxué jìsuàn hé gōngchéng zhōng chánghuì chǎnshēng dàliàng de lísàn shùjù, tígōng huìzhì zhèxiē shùjù bìng yǐ túxíng de xíngshì xiǎnshì chūlái.将中文译成英语Central Standing Committee of scientific and engineering calculations produce a large number of discrete data, mapping data and provides graphical form displayed.
)
- 2011-09-20 20:23:08下载
- 积分:1
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imag
proces matlab proces matlab proces matlab
- 2014-10-01 15:54:34下载
- 积分:1
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Carrying-coils
载流线圈的磁感应强度数值法程序,使用matlab(Magnetic induction program numerically coil carriers)
- 2014-12-03 15:00:10下载
- 积分:1
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tight_subplot
matlab code for tight subplot
- 2015-02-07 13:58:16下载
- 积分:1
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yimaqi38
与MATLAB相似的程序处理,仅供参考,如有雷同,纯属巧合(this is like matlab ,may you can download)
- 2010-05-29 18:49:14下载
- 积分:1