Channel estimation LS MMSE

实现16QAM完整的调制解调系统，包括基带信号串并转换，星座图映射，升抽样成形滤波，升采样半带滤波，数字上变频，功放的多项式非线性效应，加性高斯白噪声信道，接收端下变频，降采样，匹配滤波，绘制接收端星座图。(16QAM modulation and demodulation realize the complete system, including the baseband signal string and conversion, constellation mapping, sampling shaping filter liter, half liter sampling with filtering, digital up-conversion, amplifier polynomial nonlinear effects, additive white gaussian noise channel, the receiver end down-conversion, down-sampling, matched filtering, draw the receiver constellation.)

说明：  Taming the Complexity of mm-Wave Massive MIMO Systems: Efficient Channel Estimation and Beamforming

说明：  用opnet软件实现TDMA仿真，想和在做opnet仿真的同学相互交流学习(Realize TDMA simulation with OPNET software, want to communicate and study with students who are doing OPNET simulation)

说明：  雷达信号分选的经典matlab代码。包含PRI变换、CDIF、SDIF三种方式(radar signal sort include PRI CDIF SDIF)

从实际应用的角度出发，提出利用跟踪微分滤波器抑制机冀挠曲变形产生的影响，通过杆臂效应补偿消 除干扰加速度，用延时补偿算法减少由数据传输延迟造成的量测信息误差。在此基础之上，采用“速度+姿态” 匹配方案，研究了基于H_滤波估计的快速传递对准方法.大量数值仿真、静态试验、动态跑车试验表明，这 些方法有收敛速度较快、精度较高的特点，并t,有较强的抗干扰能力。试验也验证了传递对准方法的有效、可 行，能满足控制系统对导航信息的精度要求. ()

说明：  Labview OPC和欧姆龙PLC通讯(LabVIEW OPC and OMRON PLC communication)

多线程串口编程，程序是使用arm加华为的GPRS模块进行测试 方便大家修改(Multithread serial programming, program is to use the arm GPRS module testing Huawei to facilitate change)

说明：  数字信号处理，设计数字滤波器，利用MATLAB语言仿真实现(Digital Signal Processing, Design of Digital Filter and Realization by MATLAB Simulation)

MIMO系统中的功率分配，包括经典的注水算法功率分配程序(MIMO system in power distribution, including the classic water-filling algorithm power allocation procedures)

可以得到很精确的幅值、频率、相位估计，基于K均值的PSO聚类算法,光纤陀螺输出误差的allan方差分析。( You can get a very accurate amplitude, frequency, phase estimation, K-means clustering algorithm based on the PSO, allan FOG output error variance analysis.)