changguipidx

协作通信中继选择算法，用于选择最佳中继并计算系统的各种性能(Collaborative communication relay selection algorithm)

用matlab对离散系统的时域分析，得到其特性曲线(Using matlab for time-domain analysis of discrete systems, by their characteristic)

PCM编码/解码的实现，采用A律13折法进行量化和编码/解码。(PCM encoding/decoding implementations, using A-law 13 to quantify the folding and encoding/decoding.)

最小费用最大流算法通用Matlab函数，最短路算法的Ford和Fulkerson法迭加算(Common minimum cost maximum flow algorithm Matlab function, the shortest path algorithm of Ford and Fulkerson method of superposition operator)

储能系统，包含储能的基本模型和储能的控制策略(storage system，model and control strategy)

function to load yalefaces face database useful in facerecognition

自己写的关于matlab的规则LDPC编码以及重复码码率与SNR的关系图，希望对大家有用，谢谢(Write their own rules on Matlab LDPC codes, the hope that useful, thank you)

Discrete Preisach hysteresis algorithm

采用PCM方式对语音信号进行编码和解码，文件包含编码解码函数和量化误差计算函数(PCM voice signal by means of encoding and decoding, encoding and decoding functions and the file contains quantization error calculation functions)

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)