PSO-for-knapsack-problem

循环谱检测算法仿真实例，内含三个文件，实现了多进制调制环境的四阶循环累量特征分析(Cyclic spectrum detection algorithm simulation example, contains three files, to achieve a multi-band modulation environmental characteristics of fourth-order cyclic cumulant analysis)

基于MATLAB的DTMF拨号演示文件，可帮助理解DTMF的基本原理。(DTMF Presentations may help understand the basic tenets of DTMF.)

小车倒摆的控制文件。在matlab中运行，对初学者有用 (Car inverted pendulum control file. Run in matlab, useful for beginners)

M=63 J=(M-1)/2 Wp=0.5*pi Ws=0.6*pi Np=100 Ns=100 weightp=1 weights=100 通带和阻带的加权系数 WpN=linspace(0,Wp,Np) WsN=linspace(Ws,pi-0.05,Ns) Wm=[WpN WsN] p=[ones(1,50),ones(1,50)/2] d=[p,zeros(1,Ns)] W=diag([weightp*ones(1,Np),weights*ones(1,Ns)]) C=cos(Wm*[0:J]) Q=diag(cos(Wm*0.5)) g=(W*Q*C)(W*d) g=g h=(g(J:-1:2)+g(J+1:-1:3))/4 h=[g(J+1)/4 h g(1)*0.5+g(2)/4] h=[h fliplr(h)] W=linspace(0,pi-0.1,512) H=freqz(h,1,W) plot(W/pi,20*log10(abs(H))) (filter design)

encoder uncertanity anaylses

对于任意三个整数，判断其是否为一个合法的日期值。给定一个日期值，计算若干天后的日期值，(For any three integers, determine whether it was a valid date value. Given a date and calculate the value of a number of days of the date,)

几种改进的粒子群算法（PSO），可用来学习算法的编程，以及算法之间的对比等等。(Several improved particle swarm optimization (PSO), can be used to learn programming algorithms, as well as contrast between algorithms and so on.)

采用波束形成法，判断来波的方向，识别声源的位置(Using the beamforming method, to determine the direction of the wave, the position of the sound source identification)

code for image clustering using k-means

freeman coding for contour