spectra

说明：  利用理论推导的方法，该matlab程序得出涡旋光束经相位全息光栅接收后一阶衍射光束的解析表达式。(By using the method of theoretical derivation, the analytical expression of the first-order diffraction beam of vortex beam received by phase holographic grating is obtained by MATLAB program.)

减摇水舱对船舶参数横摇的抑制，4自由度模型，包括垂荡‘纵摇和水舱状态(The anti rolling tank on the inhibition of Parametric Rolling of ships, model of 4 degrees of freedom, including heave pitching and water tank to state )

PHD 滤波是近年来发展最为迅速的目标跟踪方法。GM-PHD是一种运算量较小的PHD实现。程序经本人验证，效果非常好。(PHD is a popular target tracking method in recent years. GM-PHD is a most common application for target tracking. The program is efficient and useful.)

自己编写的BPSK调制与解调，内含matlab-figure-file、matlab-M-file和得出的jpg格式图形！(I have written BPSK modulation and demodulation, containing matlab-figure-file, matlab-M-file and come to the jpg format graphics!)

说明：  利用矩阵的运算来编写旋转，使用矩阵进行坐标运算，使用矩阵进行坐标旋转(make use of the operation of matrix to realize the rotation)

Employee Management System

The solution of the book "Engineering Electromagnetics"（美）william H.Hayt,jr.(2001)著，第六版答案，网上很难找的，很有价值(The solution of the book "Engineering Elec tromagnetics "(U.S.) william H. Hayt. jr. (2001) to, the sixth edition of the answer, it is very difficult to find online, valuable)

Time vector for the downlink data s where the power vector is a finite state space model.

灰色预测模型算法的程序设计方法，可实现未来数据预测功能(Gray prediction model algorithm programming method can achieve future data prediction function)

DFT和FIR宽带波束形成源程序 可以自行设置参数 如载频强度 入射角度 信噪比等(DFT and FIR broadband beamforming source code can set the parameters such as the intensity of the incident angle of the carrier frequency signal to noise ratio, etc.)