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Matlab finite element finite guide book

matlab实现矩形脉冲和根升余弦脉冲的QPSK调制功率谱密度及不同信噪比信道下的星座图，直接运行main函数即可(Plot the power density spectrum of the transmitted signal (e.g., with the matlab function psd) with different pulse shapes. How is it affected if a root raised cosine pulse is chosen instead of a rectangular pulse shape? Study the signal constellation in the receiver for various values of Eb/N0 for the AWGN channel. )

Character recognition

关于MATLAB的ppt资料，简明扼要的讲解了matlab。(MATLAB' s ppt on information concisely explained matlab.)

若干节点潮流计算，电气工程专业电力系统专业重要计算算法。(Number of nodes flow calculation, electrical engineering professional power system the important calculation algorithm.)

This code is an importante code of example of Matlab for introduction about this programm.

说明：  buck-boost电路实现光伏系统的最大功率跟踪(buck-boost circuit realize maximum power tracking of photovoltaic system)

根据已知的三维离散数据（x,y,z）,在MATLAB中利用此函数进行三维曲面拟合，再根据polyval2d得出拟合函数的系数矩阵。(according to 3D discrete datum (x,y,z),use this function in MATLAB to fit 3D surface, and use polyval2d to get coefficient matrix)

matlabsimulink搭建的卫星交会对接的模型，验证了交会对接算法(matlab simulink build a model of a satellite rendezvous and docking, rendezvous and docking algorithm is verified)

决策树源代码，用matlab语言编写的，适用于分类及相关问题的分析(Decision tree source code, written with matlab language, suitable for classification and analysis of the related problem)