handwriting-learning

九点差分格式，精度比五点差分要高，对于实现有限差分，是一个重要的程序(Nine-point difference scheme, the accuracy than the five-point difference is higher, for the realization of finite-difference, is an important procedure)

说明：  实现Brent(布伦特)优化搜索，寻找极大极小值。.M文件(brent optimize to search for the max or min data.)

MATLAB讲义，适合初学者，简单明了,包含全面(MATLAB lecture notes, suitable for beginners, simple, includes comprehensive)

区域生长法，matlab代码，包含3个m文件和两幅图像(Region growing method, matlab code, containing 3 m files and the two images )

彩色图像变成灰色图像，并对其进行直方图分析，二维直方图分析以及二维直方图的OTSU处理(Color images into gray image and its histogram analysis, OTSU processing of two-dimensional and two-dimensional histogram histogram analysis)

参考文献《外辐射源定位跟踪技术的研究》(两步加权最小二乘法)以及 《a simple and efficient estimator for hyperbolic location》对Chan算法进行仿真；认定基站数目为5个； (The Chan algorithm in the TDOA location based on the CDMA cell network)

Real time data acquisition from serial port (RS 232) using matlab.

英文matlab编程教程。适合初学者学习。(Matlab programming tutorial in English. Suitable for beginners to learn.)

QPSK调制解调的系统仿真实验，介绍了如何用matlab对其仿真(QPSK modulation and demodulation of system simulation experiments, describes how to use their simulation matlab)

说明：  　通过在MA TLAB 图形窗口中加入菜单及控制, 实现直接对窗口对象的操作, 建立了一个 适合用户需要的语音分析处理平台, 并给出了一般的设计方法.(MA TLAB graphics window by adding menus and control, the direct operation of the window object, the establishment of a voice suited to user needs analysis and processing platform, Further calculation and analyzation of the design Fangfa.)