double

This matlab code can be used to generate a parity check matrix for the LDPC code and further encoded and decoded in a complete communication system.

说明：  BP算法的matlab实现，能较好的得到结果，误差范围较小(BP algorithm matlab implementation, can get better results, less error range)

MATLAB+实现Arnold变换和提取(MATLAB+ achieve Arnold transformation and extraction)

用matlab制作的模拟动画程序，内容为电梯的升降演示。(Animation produced using matlab simulation program, the content of the elevator lift demonstration.)

一个用于预测的比较好比较通用的灰色模型，可以在很多方面有用(Used to predict better the more common gray model, can be useful in many ways)

snake 模型的MATLAB算法。可用于图形轮廓识别等图像处理方面的领域。(active contour model developed by others.It can be used in line detection and motion tracking.If someone wants to use it,please get in tough with the developer.)

matlab初学者资料 里面有M程序的详细文件 还有编程 直接运行即可(Matlab beginners material inside have M program detailed document and programming can be run directly)

chirp信号、均匀脉冲串信号及barker序列的三维模糊函数图以及0-fd切割图(Three dimensional fuzzy function diagram of chirp signal, uniform burst signal and Barker sequence, and 0-fd cutting graph.)

产生QPSK信号，根据仿真的数据估计差错概率(Produce QPSK signal and estimate the data according to the error probability)

提供一些matlab程序 不知可不可以(provide some unknown Can Matlab procedures)