Principal_Component_Analysis

说明：  正常重力的仿真模型，内含正常重力计算公式，可模拟不同纬度的正常重力(Simulation model of normal gravity, containing normal gravity formula can simulate normal gravity in different latitudes)

大气折射指数结构常数计算，方便快捷，使用性强(Calculation of atmospheric refraction index structure constant, convenient use and strong)

二维常单元边界元程序，入门基础，又很有用的程序(Often two-dimensional boundary element program unit, entry basis, and very useful program)

用于MATLAB的彩色图像色彩空间转换的MEX文件(for MATLAB color image color space conversion MEX documents)

基于Huang TS提出的快速中值滤波算法的MATLAB程序(Based on Huang TS a fast median filtering algorithm MATLAB program)

FIR Filter的例子，大学研究室的。(FIR filter example, the university lab.)

MLP 1-layer Nueral Network

OFDM，包括OFDM调制与解调，经过验证，仿真通过，可用于本科论文毕设。(OFDM, including OFDM modulation and demodulation, after verification, by simulation, can be used in the undergraduate thesis project.)

本程序实现了：船舶运动控制中的模型参数拟合过程与实现。(Modelling parameters fitting and realize in the boat dynamic controll.)

please give matlab code