PSO-for-knapsack-problem

Least squares solution of Ax=b.

平面波展开法计算二维能带结构，教FDTD快，资源占用少(Two-dimensional plane wave expansion method to calculate the energy band structures, the FDTD fast, low resource consumption)

基于极坐标的牛顿拉夫逊潮流计算，MATLAB编程，只要把里面地址改成自己的地址就可以用了(Based on polar coordinates Newton Raphson power flow calculation, MATLAB programming, as long as the inside address into the address can be used)

Reading a PGM image file

SUPPORTING FILE FOR CONVERT GREYSCALE INTO BINARY STERAM

Smiths model simuation with autocorrelation as output

跳频信号的短时傅里叶变换时频分析，在脉冲噪声干扰下的拟制噪声处理，并进行参数估计分析效果。(Short-time Fourier transform of frequency hopping signal time-frequency analysis, artificial noise under pulse noise processing, and analysis of parameter estimation results.)

matlab codes for ofdm and radars

The folder contains programs i have written for my project and in college..

采用四元数算法，来确定飞行器的姿态状况，同时通过PID方法，调节飞行器的飞行姿态。(Quaternion algorithm to determine the status of the aircraft s attitude, but by PID method, adjusting aircraft flight attitude.)