stlread

PSO algorithm written in MATLAB

pi/4-dqpsk 调制解调 的 matlab 仿真，通过srrc滤波器实现16倍的上采样(pi/4-dqpsk modulation and demodulation matlab simulation, through srrc filter to achieve 16 times the sampling)

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 )

KPCA经典程序，是KPCA的创始人写的，为学习KPCA提供了模板。(Classic KPCA procedures, is the founder of KPCA wrote, KPCA provides templates for learning.)

说明：  实体目标散射中心提取，并且能实现高进度的提取(Solid target scattering center extraction, and can achieve high progress extraction)

code for mean and median filters

求系统单位给定阶跃响应的性能指标（超调量，峰值时间，调整时间 .....），其中， y，t表示系统节约相应的函数值与其对应时间,函数返回的是阶跃响应的第一(正向)波峰值b1、 阶跃响应的第二(正向)波峰值b2,阶跃响应的超调量sigma,阶跃响应的衰减比n,阶跃响应的衰减率pusi 阶跃响应的衰减震荡周期T,阶跃响应的振荡频率f.(Demand system units for a given step response performance (overshoot, peak time, adjust the time .....), which, y, t that the system saves the corresponding function value and its corresponding time, the function returns the order Jump to respond to the first (positive) wave peak b1, step response of the second (positive) wave peak b2, step response overshoot sigma, step response of the attenuation ratio of n, the step response of the attenuation rate pusi step response of the decay vibration cycle T, the step response of the oscillation frequency f.)

主成分分析的matlab编码,用于矩阵求特征值特征向量(Principal component analysis matlab coding for matrix eigenvalue eigenvector)

Batch Least Square ALgorithm

有关天线方向图的实现，主要是线阵方向图的实现(The implementation of the antenna pattern, mainly linear array)