pudn_psw

simulation modulate & demod FSK

to generate rayleigh enveloppe

很炫的抽屉式侧边栏导航效果，精选ios编程学习源码，很好的参考资料。(Drawer type sidebar navigation effect of cool, selection of learning IOS programming source code, a good reference.)

动态多群粒子群算法，能够快速的搜寻目标，增强了局部搜索能力(Dynamic multi-swarm particle swarm algorithm can quickly search target, and enhance the local search ability)

球杆程序 编写的相应程序，一级倒立摆的相关程序，仿真结果(Club program Related procedures, the preparation of the corresponding procedures, an inverted pendulum simulation results)

FIR滤波器中汉宁窗和布莱克曼窗幅频特性曲线和相频特性曲线对比(FIR filter Hanning window and Blackman window of amplitude-frequency curve and phase frequency response curve compared)

matlab四阶龙格库塔法，，，，，，，，，，，，，，，，，，(runger kutta)

fit_mix_2D_gaussian - fit parameters for a 2D mixed-gaussian distribution using EM algorithm format: [u,covar,t,iter] = fit_mix_2D_gaussian( X,M ) input: X - input samples, Nx2 vector M - number of gaussians which are assumed to compose the distribution output: u - fitted mean for each gaussian (each mean is a 2x1 vector) covar - fitted covariance for each gaussian. this is a 2x2xM matrix. t - probability of each gaussian in the complete distribution iter - number of iterations done by the function

说明：  ssinc窗函数，该程序为窗函数的时域图和频谱图，为时间混叠信号采用的窗函数。(ssinc)

数学建模竞赛历年获奖论文，希望对大家有帮助！(Mathematical modeling contest winning papers over the years, want to help!)