@database

this matlab code calculate the input impedance and current distribution of microstrip patch antenna with coax excitation in different place.

利用扰动观察法实现光伏电池的最大功率点的跟踪(Perturbation and observation method using photovoltaic cells to achieve maximum power point tracking)

UCP problem solving Using Dynamic Problem by Maninder Kaur and Vikram Kumar

格式：[huffcodes，氢，領 ，电子] = huffmancoding（磷，氮） ％输入：p是每个字母符号的概率 （如：对= [0.3 0.2 0.2 0.2 .06 .04]） n是一个整数，决定在每个帧的符号数量 （默认：n = 1时） ％输出：huffcodes：huffmancodes 答：源熵 甲肝：平均熵编码 电子邮件：科丁效率(format : [huffcodes,H,Hav,e]=huffmancoding(p,n) inputs: p is the probability of each alphabet symbol ( eg:p=[.3 .2 .2 .2 .06 .04] ) n is an integer that determines number of symbols at each frame (default:n=1) outputs: huffcodes: huffmancodes H: source entropy Hav: average entropy for coding e: codding efficiency )

粒子群优化算法与遗传算法结合，实现PID控制(PSO and genetic algorithm combined to achieve PID control)

Gradient Adaptive Laguerre Lattice Filter( Description： Implements the order recursive adaptive laguerre filter from Fejzo and Lev-Ari (1997). Advantages: *Fewer parameter to model than FIR filters modeling long impulse responses *guaranteed stability, unique global minimum, small number of parameter for prescribed modelling error *numerically robust & and low computational complexity ( O(M) ). *Fast convergence (RLS equivalent) with no apriori learning rate required *Order recursive, so filter coefficients are uncorrelated with each other, allowing for modular implementation. Setting the pole parameter to 0 yields the standard classical gradient adaptive FIR algorithm. Includes simple example on cross-talk resistant echo cancellation to show how to use it. )

this file contain of visualization of 12band hyper spectral image in 3 mode and with PCA

实现三维作图函数，先基于二维作图，然后三维，对于特定函数，取得了良好的效果(Three-dimensional mapping function, the first based on two-dimensional mapping, and three-dimensional, for a particular function, and achieved good results)

it is for microwave and microstrip line taht is good for all persen

利用无迹卡尔曼滤波的平方根形式做的一个简单例子(A sample case of using SRUKF to find the true value)