geom3d

说明：  通信原理系统仿真系列--ASK的调制。供刚接触到matlab编程的朋友使用。(communications system simulation series-- ASK modulation. For Matlab programming begin to use a friend.)

通过史密斯圆图进行相关计算 求得输入阻抗( Correlation calculation determined by the input impedance Smith chart)

FDTD三维程序——计算电磁学的数值方法课程设计（矩形贴片天线）(FDTD 3Dcode)

MATLAB simulation of group velocity dispersion in an optical fiber

说明：  可以很好的结合现有的信号数据进行分析和处理，得到一定优化效果(Can be a good combination of existing data analysis and signal processing, to a certain optimal results)

in this code you can do the face tracking process in matlab

power engineering field calculating induction motor parameter by Mfile code in Matlab

随机共振运用于弱信号检测，同时对于其中的频谱能够很好的分析。(Weak signal detection applied to stochastic resonance, while for the spectrum which can be a good analysis.)

张小飞(南京航空航天大学） 阵列自适应信号处理的部分代码，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法 等(Xiaofei (Nanjing University of Aeronautics) adaptive array signal processing part of the code, including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm)

噪声中正弦信号的频谱分析，包括不同周期不同长度不同信噪比情况(Sinusoidal signal in the noise spectrum analysis)