Satellite-Communications-Research-Trends-and-Open

说明：  ：载波频率偏移是OFDM系统实现的关键问题之一。分析了OFDM 系统载频偏移估计的2 种算法，即利用循环前缀和训练序列方法。它们均为最大似然估计方法。分别讨论了它们的基本 思想、实现方法和仿真结果。可以看出基于循环前缀算法复杂度较小，精度不高，而基于训练序列 的算法有较高的估计精度，但降纸了系统传输效率。(Abstract：Carrier frequency ofset is one of the key problems in OFDM system．Two foundational methods 。cycling prefix—based and training sequence—based algorithms。to estimate OFDM carriers~equency ofset are analyzed．Then it discusses their basic thoughts。implementing methods and simulation resuits． Finally。merits and demerits of every algorithm are supposed．It concludes that the cycling prefix— based algorithm has less complexity and less precision。and that the training sequence—based algorithm has better estimation performance at the cost of transmission efficiency．)

说明：  IEC-61850标准分析完整中文版（自用）(IEC-61850 standard analysis)

基于EMD分解的去噪算法以及HHT变换的各种用途(EMD decomposition based on denoising algorithm and HHT transform for a variety of purposes)

详细的讲述了linux的ip/tcp通信部分的协议栈，对开发很有帮助(Linux detail of the ip/tcp communication part of the protocol stack, on the development of useful)

几篇关于信号调制参数提取和识别的硕士论文，不错，希望有所帮助！(Several articles on the signal modulation parameter extraction and identification of the master' s thesis, well, I hope some help!)

扩频通信，即扩展频谱通信(Spread Spectrum Communication)，它与光纤通信、卫星通信，一同被誉为进入信息时代的三大高技术通信传输方式。

线性调频信号的参数检测和估计原理方法，以及LFM信号的参数估计步骤(Linear FM signal parameter detection and estimation theory methods, and the LFM signal parameter estimation procedure)

说明：  已封装好C#调用JSON语句方法，dll文件(Encapsulated C# Call JSON Statement Method, DLL File)

在Windows95下PC机和单片机的串行通信。 基于32位操作系统Windows95的工业控制PC机和单片机间的串行通信，给出了用VC＋＋5．0和PL／M－96语言编写的串行通信程序(Under the PC in the Windows95 and single-chip serial communication. 32-bit operating system based on the Windows95 machine and industrial control PC serial communication between the single-chip, is given by VC++5.0 and PL/M-96 language serial communication program)

QPSK开环载波同步技术研究 频偏估计算法(Open-loop carrier synchronization QPSK Research Frequency Offset Estimation Algorithm)