narrowband

CA 码的产生，以及自相关，互相关函数，画出自相关互相关图（MATLAB语句简单易懂，适合新手）(CA code generation, as well as autocorrelation, cross-correlation function, drawn from the correlation cross correlation diagram (MATLAB statement, easy to understand, suitable for novices))

一个BICM系统的通信过程的方针，包括transmission,constellation,demodulation(a simulation of the communication processing of BICM system, include transmission, constellation, demodulation)

LDPC Codes – a brief Tutorial Bernhard M.J. Leiner, Stud.ID.: 53418L bleiner@gmail.com April 8, 2005

这是一篇基于循环延迟分集的分组预编码和空时频编码技术方面的典型文章(This is a cyclic delay diversity based on the group pre-coding and space-time-frequency coding technology, a typical article)

说明：  大气激光通信湍流效应分析与仿真 介绍了湍流介质中波传播的解析方法以及常用湍流功率谱模型，基于高斯光束在水平传输条件下的传播特性和闪烁(In this paper, statistical characteristics and formation of atmospheric turbulence is described, analytical methods and the turbulence power spectrum models for optical wave propagation through random medium are also introduced.)

说明：  实现LTE系统级仿真，MIMO系统仿真，16QAM仿真(Implementare la simulazione a livello di sistema LTE)

信息通过LDPC编解码误码率与未编码信息误码率比较(Comparison of BER between uncoded information and LDPC code)

kd树，matlab源码 kd树，matlab源码(kdtree wiritten in matlab)

完整的Verilog验证模型，包括设备完整的状态。(Complete verilog Verification Model)

说明：  针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 16APSK and 32APSK), four characteristic parameters of zero-center normalized instantaneous amplitude spectral density, quadratic spectrum, amplitude and high-order cumulant are analyzed, and a signal modulation recognition method of joint characteristic parameters is proposed. Method.)