project_SVD

PID控制方法讲解与举例，里面教你如何建模与调试。英文版本(PID control method to explain with an example, which teach you how to modeling and debugging. English version)

正交频分复用技术 OFDM 以及MIMO技术在信道估计中的应用(Channel estimation for a MIMO-OFDM system)

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) )

《Matlab编程》书电子档，详细阐述了如何使用Matlab编程、程序编制以及注意事项，是一本不可多得的好书(" Matlab programming" in digital format, described in detail how to use the Matlab programming, programming and precautions, is a rare books)

运行结果三张图片直观看出相干积累前后信号图谱对比，简单直观使读者能明白相干积累功能用途(Three images visually see the results before and after the coherent accumulation patterns contrast signal, simple and intuitive so that readers can understand the functional use of coherent accumulation)

Method upwind for equation of advection 1d in Matlab

汽车理论的MATLAB源程序，谢谢大家支持，多多交流！(Car theory MATLAB source, thank you for the support of more exchanges!)

RTX开发包,是RTX内部文件,对于做开发很有用.(rtx dep file)

test test test test test test test (test test test test test test test)

说明：  人工势场法程序代码，用matlab编写，简单易懂(the code,you can use it to set the obstale imformation ,the length and so on)