test_main

说明：  半波天线增益及阻抗以及e面方向性图，h面方向性图，立体方向性图(Half-wave antenna gain and impedance, as well as e surface directional map, h surface directional map, a three-dimensional directional diagram)

在瑞丽衰落 =信道下，对信号进行qPSK调制(qpsk for relaygh channel)

运用matlab实现8PSK信号的调制与解调(relization of modulation and demodulation of 8PSK signal by Matlab)

是关于生成QAM 仿真的程序码,可以帮助你用编程的方法完成QAM调制解调系统的仿真(it is something about 16-QAM,it can help you simulink QAM with MATLAB )

Jake s无线通信信道模型仿真的Matlab源程序,采用SOS仿真方法。程序内容包括:时变信道的幅度的实部和虚部,幅度概率密度函数,自相关函数,功率谱密度。(Simulation of Jake s wireless communication channel model Matlab source code, using SOS simulation method. The program includes: the real and imaginary parts of time-varying channel amplitude, amplitude probability density function, autocorrelation function, power spectral density.)

低通滤波器，低通滤波器 低通滤波器 低通滤波器 低通滤波器 (low-pass filter, Low-pass filter l ow-pass filter l ow-pass filter l ow-pass filter low-pass filter)

基于压缩感知的MASSIVE MIMO信道估计，采用OMP算法解决稀疏信道估计问题。MASSIVE MIMO多小区多用户模型，合成稀疏信道（有效解决导频污染）。(Based on compressed sensing for MASSIVE MIMO channel estimation, OMP algorithm is used to solve the sparse channel estimation problem. MASSIVE MIMO multi cell and multi-user model, to synthesize sparse channel (effectively solve pilot pollution).)

the pdf entitled The Modulo Lattice Channel The Key Feature in Precoding is attached

说明：  OPNET软件仿真包交换网络，并在其中加入排队模型并拓展网络拓扑，对于统计量有不同影响(OPNET software simulates packet switching network, adds queuing model and expands network topology, which has different influence on statistics)

针对传统线性调频(LFM)信号参数估计算法中复杂的搜索和计算问题，提出了一种不需要参数搜索的快速 LFM信号参数估计算法。该算法先用希尔伯特变换估计LFM信号瞬时相位，再用二次相位函数拟合LFM信号瞬 时相位从而得到初始频率和调频斜率的估计(The traditional linear frequency modulation (LFM) signal parameter estimation algorithms and computational complexity of the search problem, we propose a fast search without LFM signal parameter estimation algorithm. The algorithm first estimated with the Hilbert transform of LFM signal instantaneous phase, and then the second phase of LFM signal instantaneous phase function fitting to obtain the initial estimates of the frequency and chirp rate)