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this is the basic ofdm simulation of an ofdm signal

oqpsk in awgn channel

说明：  提取opencart产品名称里的属性信息到目录属性里，实现opencart的目录筛选功能。具体属性需添加到文件内，具体看文件说明。(Extraction of Opencart product name in the attribute information to the directory attributes, implementation of Opencart directory screening function. The specific attributes need to add to a file, see the specific documentation. )

MATLAB simulation of group velocity dispersion in an optical fiber

用matlab中的simulink进行弹簧质量系统的仿真，可以输出速度，位移，加速度。包括itd法模态参数识别，正交归一化振型程序。(stiffness-mass simulation by simulink in matlab.it can get velocity acce and displacement.it also includes itd method and malized orthogonal functions )

FDTD simulation using GPU acceleration.

八阵元均匀圆阵波束赋型LCMV算法，形成三维方向图(Eight-membered uniform circular array beamforming algorithm LCMV, a three-dimensional direction in FIG.)

说明：  最小范数算法 波达方向估计 通信信号处理(Minimum norm algorithm for DOA estimation Communication Signal Processing)

MIS结构是半导体技术中的一个重点研究内容，本程序使用matlab程序编写，用于模拟MIS电容在不同频率和不同的非理想因素影响下的C-V特性(MIS structure is a key semiconductor technology research in the content, this program uses the matlab programming, used to simulate the MIS capacitor at different frequencies and different factors of non-ideal CV characteristics under)

用LMS和RLS算法进行谱估计，求取均方误差(LMS and RLS algorithm spectral estimation strike mean square error)