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This is a simple calculator calculate addition

机动目标跟踪下的交互式多模方法，IMM方法实现雷达对机动目标的跟踪(Interactive multimode method under maneuvering target tracking,Tracking the maneuvering target by radar by IMM method)

说明：  edge detectoin using wavelet transform built in matlab for beguners and comprisions also.....

Optional Data Exception extends Object Stream Exception Source Code for Andriod.

光伏发电系统的并网发电的仿真，系统带有MPPT功能。(Photovoltaic system simulation grid system with MPPT function.)

Assembel element matrices Ke ( and fe ) into the global stiffness matrix K ( and the global force vector f ) according to the topology matrix edof.

利用matlab自带的BP神经网络工具箱对duffing混沌背景模型进行相空间重构与预测，程序中已经给出duffing函数，主函数中也给出了主要注释，方便大家学习交流。(BP' s own use matlab neural network toolbox for duffing chaotic background model and prediction of phase space reconstruction, the program has been given duffing function, the main function also gives the main note, we facilitate learning exchanges.)

用于潮流计算,很好用的，不容错过，去卧室有用什么都好用(chaoliujisuan)

平面波展开法计算二维能带结构，教FDTD快，资源占用少(Two-dimensional plane wave expansion method to calculate the energy band structures, the FDTD fast, low resource consumption)

说明：  BD-OFDM的接收和发射，是用Matlab编程实现的++matlab，程序比较简洁，易懂。(BD-OFDM receiver and the launch is the use of Matlab programming of the++ matlab, procedure is simple and easy to understand.)