daul_ps_2D_daulwave_4s

说明：  antenna degign fractal

均匀分布的随机数，并依此产生高斯分布随机数，12和法和Box-Muller法产生高斯分布(uniform distribution of random numbers, and so have a Gaussian distribution of random numbers, 12 and the law and Box-Muller method, Gaussian distribution)

杜哈梅积分的过程，适合初学者，详细程序，强烈推荐(Duhamel integral process, suitable for beginners, detailed procedures, it is strongly recommended)

gps基本原理及其matlab仿真（西安电子科技大学）和原代码(The basic principle of GPS and its MATLAB simulation (Xi an Electronic and Science University) and the source code)

系统辨识1仿真程序,程序里面有matlab的源文件，可供下载！(xitongbianshifangzhenchengxu)

A code for Newton-Rafson root Finder in matlab. The program was defined to find the roots of function y=z^3-1

说明：  用频域和时域的方法分别来算光子晶体光纤的一篇文章(With the frequency domain and time domain methods to balance the respective article in photonic crystal fiber)

说明：  理想线扩散函数的matlab程序，即贝塞尔函数的积分。输入输出见文件内的注视(The ideal line spread function of the matlab program, that is, the integral Bessel function. Input and output, see the paper' s attention)

NC-OFDM系统中发送端不同的数字调制方式(NC- OFDM system in different ways of digital modulation)

说明：  计算单模光纤与LED 的直接耦合效率，设计光纤透镜参数(The direct coupling efficiency of single mode fiber and LED is calculated and the parameters of optical fiber lens are designed)