Mathematical-modeling

本例演示：如何依靠图形窗 UserData 属性在递归调用中传送用户控件的图柄，保证回调动作正确执行。(demonstration of the cases : how to rely on graphics window UserData attribute in the recursive call to transfer control of the map user handles, callback action to ensure correct implementation.)

calculating fiber eigen modes (calculating fiber eigen modes)

dafx required for many files

说明：  国内的一篇相控阵雷达分选的论文 不错 利用模糊理论(chinese paper on sorting of phased array radar )

添加随机白噪音方法,用于时序仿真分析，仅供参考！(Add noise for simulation)

param factory document factory, may not be null Source Code for Andriod.

多通道软件化软件无线电发射机实现程序,采样速率为25KHz，基于多相滤波的8通道发射机源程序。(Multi-channel SDR(soft defined radio) )

程序包涵盖了超宽带书中的函数，并进行了主程序的编写，最后构成了TH-PPM系统仿真基本程序(Package covers a function of the book Ultra-Wideband, and the preparation of the main program, the final composition of the TH-PPM system, the basic procedures for simulation)

设采样频率为1Hz，对于淹没在复高斯白噪声中的信噪比为 的两个复LFM信号，采用子带带宽为0.1Hz的升余弦滤波器，共9个子带滤波器构成的滤波器组，时间窗为窗长为256的矩形窗，进行仿真(based sampling frequency of 1Hz. For drowned in the complex Gaussian white noise to the signal-to-noise ratio of 2 Minute LFM, using sub-band bandwidth of 0.1 Hz or cosine filter, a total of nine sub-band filter a filter group, time window to window to 256 long rectangular window simulation)

在均匀介质中，时间二阶空间四阶的有限差分声波方程正演程序。(In homogeneous medium, the second order time space fourth-order finite difference acoustic wave equation forward modeling program.)