Information-Hiding-PNG

g729 coder in vocoder

研究了重频参差相参脉冲串的频率估计算法。通过脉内相关积累，提高了新序列的信噪比。对新序列的相位差按参差重数抽样平均，减小了等效的相位噪声方差，利用重频参差比解相位模糊，扩大了频偏允许范围，降低了算法的信噪比门限。分析了本算法实现相参频率估计的条件，推导了相应信噪比门限的解析表达式，指出了信噪比门限与信号样本总数、参差重数、参差比之阎的关系。仿真结果表明：上述结论是正确的，在满足信噪比门限条件下，频率估计的精度接近相参脉冲串频率估计的克拉美一罗限(CRLB)。(Frequency Estimation for Staggered Coherent Pulse Train)

the program based on particle filter for a new algorithm, Integrated Bayesian MCMC Model Selection MONTE CARLO that Ma Erkefu chain

mean shift algorithme for clustering

核磁共振切片素材核磁共振切片素材核磁共振切片素材核磁共振切片素材核磁共振切片素材核磁共振切片素材核磁共振切片素材核磁共振切片素材(MRI slice MRI biopsy material material material slice MRI MRI MRI biopsy material slice MRI biopsy material material material slice MRI biopsy material NMR)

谢汉龙matlab书籍第四章基本入门功能的实现过程，常用matlab的基础程序(Implementation Xiehan Long basic introductory chapter books matlab function, commonly matlab foundation program)

its full of explains the concept of hmm model used in speech recognition system.

SVM classifier in matlab

单点定位算法用来仿真无线定位技术，简单可行(Single-point location algorithm is used to simulate wireless location technology　simple and feasible)

This code is about adaptive autoregressive. you can find AR coefficient.