JArbitrager

利用中心差分法求解振动微分方程，从而得到线性或非线性结构的振动特性。(Solving differential equations of vibration by central difference method)

这是一个麦克风阵列的语音增强的matlab代码(This is a microphone array speech enhancement of the Matlab code)

P wave q wave r wave location detection

说明：  MATLAB HELP FUNDENMENTAL IN YOUR CODE CODE FOR HELP

1. Transfer function to state space model transfer function to state space A=[1 1 1] B=[1 6 11 6] [A,B,C,D]=tf2ss(num,den)

％ [BestPop,Trace]=fmaxga(FUN,LB,UB,eranum,popsize,pcross,pmutation) ％ Finds a maximum of a function of several variables. ％ fmaxga solves problems of the form: ％ max F(X) subject to: LB <= X <= UB ％ BestPop--------最优的群体即为最优的染色体群 ％ Trace----------最佳染色体所对应的目标函数值 ％ FUN------------目标函数 ％ LB-------------自变量下限 ％ UB-------------自变量上限 ％ eranum---------种群的代数,取100--1000(默认1000) ％ popsize--------每一代种群的规模；此可取50--100(默认50) ％ pcross---------交叉的概率,此概率一般取0.5--0.85之间较好(默认0.8) ％ pmutation------变异的概率,该概率一般取0.05-0.2左右较好(默认0.1) ％ options--------1×2矩阵,options(1)=0二进制编码(默认0),option(1)~=0十进制编码,option(2)设定求解精度(默认1e-4)( [BestPop, Trace] = fmaxga (FUN, LB, UB, eranum, popsize, pcross, pmutation) Finds a maximum of a function of several variables. Fmaxga solves problems of the form: max F (X) subject to : LB <= X <= UB BestPop-------- optimal chromosome groups is the best group Trace---------- chromosome corresponding to the best objective function value FUN------------ objective function LB------------- variable lower limit since the UB------------- variable upper limit eranum--------- populations algebra, take 100- 1000 (default 1000) popsize-------- population size of each generation this desirable 50- 100 (default 50) pcross--------- crossover probability, the probability of a general check 0.5- 0.85 between the better (default 0.8) pmutation------ mutation probability, the probability of 0.05 general admission better about-0.2 (default 0.1) options-------- 1 × 2 matrix, options (1) = 0 binary code (default 0), option (1) ~ = 0 decimal coding, option (2 ) set accuracy (default 1e-4))

于慧敏版信号与系统第二版部分自己编的部分matlab程序代码... (YU Hui-min version of the second edition of part of the signal and system part of their series of matlab code ...)

LFM信号与BPSK信号相区别分析识别的程序(LFM脨脜 潞 脜脫毛BPSK脨脜 潞 脜脧脿脟酶 卤 冒 脰脦枚脢 露 卤 冒渭脛 鲁 脤脨貌)

基本功能的离线导航,完全离线，WP7 平台(Offline navigation basic functions completely offline, WP7 platform)

利用FDTD算法，计算fopen环境下的雷达散射截面积。(Use FDTD algorithm to calculate fopen environment RCS.)