logistic

OFDM(Orthogonal Frequency Division Multiplexing)即正交频分复用技术，实际上OFDM是MCM Multi-CarrierModulation，多载波调制的一种。其主要思想是：将信道分成若干正交子信道，将高速数据信号转换成并行的低速子数据流，调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开，这样可以减少子信道之间的相互干扰 ICI 。每个子信道上的信号带宽小于信道的相关带宽，因此每个子信道上的可以看成平坦性衰落，从而可以消除符号间干扰。而且由于每个子信道的带宽仅仅是原信道带宽的一小部分，信道均衡变得相对容易。本程序实现OFDM与QPSK技术的比较(This program realization technology and the OFDM QPSK technology)

旅转机械故障机理及诊断方面的专业书籍，是全面掌握机械故障诊断很全面的方面的书(Journey to the mechanism of mechanical failure and diagnostics, professional books, is a comprehensive diagnosis of mechanical failure have very comprehensive books)

matlab开发的，基于行作用技术的代数迭代算法反演代码。可用于层析成像(matlab developed algebraic algorithms based on the role of technology line inversion code. Can be used for tomographic imaging)

黄金分割法求解下单峰函数的极小值 是一个比较好的代码(Golden section method of single peak function of the minimum value is a better code)

说明：  时域有限差分法，matlab实现。对声学，电磁波，天线学科有很大帮助。(Finite difference time domain method, MATLAB implementation. It is of great help to acoustics, electromagnetic wave and antenna.)

在基于matlab移动通信仿真中要使用到，作为信源使用，这个是信源码的编码的程序。(Matlab-based simulation of mobile communication should be used as a source to use, this is the letter of the procedure source code.)

This utility provides a powerful zooming tool specially designed for the documentation of original and zoomed 2D graphics of images on the same plot. It is composed of two blocks (the secondary axes and the magnifier). The secondary axes, which can be arbitrarily allocated within the limits of the figure, displays the area marked by the magnifier. The highly versatile interface of the on-figure magnifier offers a world of possibilities in a broad range of applications and fields. The Keyboard/mouse or programmatic configuration of this tool allows the user to set her or his own graphic style, to suit the requirements of any publication s editor. More details on interfacing and properties can be found in the .m file.

用遗传算法改进支持向量机的算法，虽然比较老点，但是还是很有用。(This program is about SVM which is improved by PSO.I think it is a good algorithm)

快速ICA基本算法 对初学者有很大的帮助(Fast ICA basic algorithm is very helpful for beginners)

JArbitrager 我改进的一款套利软件 可以用在IB上(I improved a JArbitrager arbitrage software can be used on the IB)