这篇文章主要讲述了等离子鞘套的信道特征，包括电子密度的分布还有以此关于天线位置的安装等问题，得出结论可以建模为快衰落的莱斯信道，对于临近空间飞行器的通信问题提供了理论依据，但鞘套内部通信特征还是一大问题-This article describes the plasma sheath channel characteristics, including the distribution of electron density and thus the installation of the an

程序详细地介绍了OFDM系统中导频信号信道估计的作用，适用于快衰落信道，能够快速跟踪均衡信道，同时包含一个详细介绍算法（LS MMSE）的算法文档。-Procedures described in detail in the pilot signal OFDM system channel estimation role for fast fading channels, fast track channel equalization, and contains a detailed algor

快衰落瑞利信道下一种适合单载波传输的导频符号的设计-A Pilot Design Technique for Single-Carrier Transmission over Fast Fading Relay Channels

Time and Frequency Synchronization Techniques for OFDM Systems operating in Gaussian and Fading Channels: A Tutorial The aim of this paper is to survey and compare previous methods for Data-aided timing and frequency synchronization of O