emd_program

说明：  一维等离子体FDTD的Matlab源代码，是时域有限差分算法中的重要算法(One-dimensional FDTD the Matlab source code for plasma, FDTD method is an important algorithm in)

matlab中gui实现检测任意四点构成的四边形是否为凸四边形(matlab the gui achieve detection any four points of a quadrilateral is convex quadrilateral)

matlab最优化设计的源程序，很实用，有助于学习(the matlab optimization design of the source, it is practical, conducive to learning)

说明：  matlab的VVVF仿真模型，基于matlabR2009的VVVF恒压频比仿真模型(The VVVF matlab simulation model, based on matlabR2009 the VVVF constant U simulation model)

简化的频域反馈判决反馈均衡器，系数不需要每次都更新。(simplified frequency decision feedback filter ，do not need to update factor everytime)

this is a courseware of matlab,which is fit for the beginner

共炮点地震记录合成，添加不同比例噪声，进行小波变换去噪处理，得到比较理想的效果(the synthetic seismic record of common shot, add different noise, and do wavelet transform on it, then we can get a better record)

Implementation of Playfair Cipher in C

bpsk modulation is done using simulink model in this document. hope u get knowledge

汽车动力性，燃油经济性计算,基于MATLAB计算的，汽车理论相关内容。(Automotive power, fuel economy calculation)