train_bp_4

ADPCM的matlab算法，很简单，一般人都能看懂。(Matlab the ADPCM algorithm, is very simple, ordinary people can understand.)

Binarisation of Ancient Documents

DOA estimation with MUSIC algorithm array signal processing

用C/C++编程求解了一个有限元算例二维传热问题,可以作为有限元学习的编程实例，以更好地理解有限元理论，并为进一步使用大型有限元软件打下基础。(With C/C++ Programming to solve a finite element numerical example of two-dimensional heat transfer problems, finite element can be used as examples to learn programming in order to better understand the finite element theory, and for the further use of large-scale finite element software to lay basis.)

用随机森林RF方法分类IRIS数据集，用一百个数据做训练集，五十个作为测试集，并统计出错误率，可直接运行(Classification method with random forests RF IRIS data set, using one hundred data to do training set, and fifty as a test set, and the statistical error rate, can be directly run)

说明：  本代码是基于LDA算法的人脸识别算法，这是一个简单的例程(This code is based on LDA algorithm face identification algorithms, this is a simple routines )

matlab的GUI开发，对于matlab学习非常有用！(GUI development of matlab)

unit converter in matlab

模拟城区建筑对车载接收机的遮挡情况，输入道路宽度与建筑物的分布参数，即可进行仿真，可设定车辆速度。(navigation simulation program )

msk一种恒包络信号，本源码用多种方案实现MSK信号的调制和解调(msk a constant envelope signal, the source with a variety of programs to achieve the modulation and demodulation of MSK)