fourth-chapter

Filtering using Weiner filter

用matlab实现了16-QAM的调制解调过程，效果良好。(Achieved using 16-QAM matlab modulation and demodulation process to good effect.)

1588高精度时间同步协议（PTP协议）的学习总结，希望对大家有所帮助(1588 Precision Time Synchronization Protocol (PTP protocol) study concluded, I hope to be helpful)

产生指定长度的S-rand interleaver序列的程序 (produce S-rand interleaver )

混合隶属度随机块模型，用于进行社区划分，检测重叠社区，节点分组等( Mixed-Membership Stochastic Block mold，which is a scalable approach to community detection that discovers overlapping communities in massive realworld networks.)

两个函数都是用hopfield神经网络实现4位的A/D转换。采用不同的结构得到不同的结果(Parallel structure.)

MATLAB画地形中国福建海岸的地图。可以设置显示格式和显示方法，以满足论文需要。(MATLAB Videos topographic map of China Fujian coast. You can format and display method, in order to meet the needs paper.)

说明：  sdif算法，matlab代码，注释乱码，介意慎点(SDIFsoftware matlab please download)

说明：  2代小波示意程序 2维小波变换经典程序 Daubechies小波基的构造 采用多孔trous算法(undecimated wavelet transform)实现小波变换 平移变换平移法(cycle_spinning)消除gibbs效应 提升法97经典程序 消失矩作用的程序 小波插值与小波构造 小波滤波器构造和消噪程序 小波谱分析mallat算法经典程序(2 Generation Wavelet indicated procedures classic 2-D wavelet transform procedures for Daubechies wavelet bases constructed using porous trous algorithm (undecimated wavelet transform) the realization of wavelet transform translational translational transform method (cycle_spinning) to eliminate Gibbs effect of lifting 97 vanishing moments the role of the classic procedure of wavelet interpolation procedure value structure of wavelet and wavelet de-noising filter structure and procedures of small Mallat algorithm for spectral analysis of the classical procedures)

IEEE33节点搭建matlab模型，适用于电力系统配电网电压控制计算仿真(IEEE33 node builds matlab model, which is suitable for power system distribution network voltage control simulation.)