Photonic_crystal_Two-core-POWER

指数Milstein 方法解非线性随机微分方程，考虑其收敛阶。(the convergence of exponential Milstein method to nonlinear stochastic differential equations, )

简单遗传算的代码，也不是我自己写的，但是我亲自调过能用的(Simple genetic algorithm code, not my own writing, but I personally emphasized the use of)

MATLAB CODE HKK KLLKKNXJ JSKIU MXNLZXLJ JHKS. M,NJKHZN JKHNK. JLX,

信号实时处理，查找实时接收到的信号的幅值最大点并标记(real-time signal processing，max amplitude point)

该代码为分布式MIMO天线选择的最优算法，递增算法，递减算法以及基于范数的算法。(The code for the Distributed MIMO antenna selection of the optimal algorithm, incremental algorithm, descending algorithm and norm-based algorithm.)

假定半波长间隔均匀分布线列布阵的阵元数N=16，若入射平面波为f=62.5Hz的正弦信号，信号持续时间为0.4s， 系统采样频率 =1 KHz,阵列加权为均匀加权，分别给出 a)当平面波信号分别从 0,10,20,30,40,50,60,70,80,90,100度方向入射时，指向90度的波束形成器的输出序列； b)当平面波信号分别从0:1:180度方向入射时，指向90度的波束形成器的输出序列经过平方求和后的分贝数输出（把所有181个输出绘制在同一幅图中)(Assuming N=16, f=62.5, fs=1KHz, uniform weight, and the code gives: a) 90 degree response when incidence angles are: 0: 10: 100 degrees b) 90 degree spectral response when incidence angles are: 0:1:180 degrees )

扩展卡尔曼滤波器，非线性动态滤波，是一种在线线性化的算法(extended Kalman filter, nonlinear dynamic filtering, is an online linearization algorithms)

说明：  认知无线电方面的经典著作，好书不用多言，自己看吧~(Aspects of cognitive radio classics, books do not have to say, it yourself ~)

资料中介绍了几种经典信噪比估计算法的编码并进行比较，包括误差矢量幅值法、最大似然估计、迭代法以及奇异值分解法。(Data introduces several classical coding SNR estimation algorithm and compared, including error vector magnitude, maximum likelihood estimation, iterative method and singular value decomposition.)

用于数据的简单平滑提供了手机的加速度数据。(Providing the phone for data smoothing acceleration data.)