upnp

this function perform huffman coding and decoding on image by using matlab program ..

主元分析方法，主要用于提取主元，数据降维(Principal components analysis)

Classification of Cardiac Arrhythmias Using Heart Rate Variability Signal

MATLAB程序设计优化经典文档MATLAB programming optimized classic document(MATLAB programming optimization of the classical documents MATLAB programming optimized classic document)

MultiScale Retinex 色彩恒常性的彩色图像增强算法(Color constancy MultiScale Retinex for Color Image Enhancement Algorithm)

BT法、周期图法、以及Levinson-Durbin迭代算法的matlab代码，并且比较三者性能(BT method, periodogram, and the Levinson-Durbin iteration algorithm matlab code, and compare the three performance)

《node入门》是一本较好的入门级教材，本人起初也使用，通俗易懂。希望对大家有所帮助。("Node Getting Started" is a good entry-level textbook, I first use, easy to understand. We want to help.)

说明：  用于求循环普相关函数，可用于轴承，齿轮等旋转机械故障诊断(Cyclic spectral correlation)

ldpc码的matlab仿真程序，希望对大家有用，不客气，(LDPC codes matlab simulation program, in the hope that useful, at worst,)

this program is a part of my midterm project to oder sparse data as to reduce fill in