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QAM 调制完整代码，MATLAB实现，通俗易懂，适合初学者学习参考。(QAM Modem Demo)

数学建模清华数模讲义\mcm99cb (Mathematical modeling Qinghua digital-analog handouts mcm99cb)

说明：  采用Matlab编写的QP算法，并且在QP算法做了一些改进，加速了收敛性(Written using Matlab QP algorithm, and in the QP algorithm made some improvements to accelerate the convergence)

对HARQ系统的吞吐量分析，isodata 迭代自组织的数据分析，可实现对二维数据的聚类。( HARQ throughput analysis of the system, Isodata iterative self-organizing data analysis, Can realize the two-dimensional data clustering.)

线阵，面阵，圆阵方向图，包含极坐标图，和三维图(Linear array, planar array, circular array pattern, including Polar, and three-dimensional map)

人工神经网络的matlab程序，供参考使用(matlab code about ANN)

扩展卡尔曼滤波，一种非线性滤波，可用于目标跟踪，初学者适用(Extended Kalman filter, a nonlinear filtering, can be used for target tracking, suitable for beginners)

说明：  可以熟悉matlb实现backstepping经典控制算法的例程(Can be familiar with MATLAB to achieve the classic backstepping control algorithm routines)

程序实现了直接序列扩频通信系统，简单易懂。(Program realization of the direct sequence spread spectrum communication system, straightforward.)

kalman滤波，李国强，用于模态识别，先生称响应在用相应识别系统参数(kalman filtering, Li Guoqiang, for modal identification, sir, said in response to the recognition system with the corresponding parameters)