WiMAX

说明：  差分粒子群算法的MATLAB程序 差分粒子群算法的MATLAB程序(Differential particle swarm optimization algorithm MATLAB program)

大气湍流相位屏模拟举例，对研究激光大气传输有一定帮助(an example of phase screen which is helpful to the research of the transmit of laser)

用s函数写得二级倒立摆模型，用状态反馈、最优控制、模糊控制进行仿真。(S function written with double inverted pendulum model, using state feedback, optimal control, fuzzy control simulation.)

训练集/测试集产生 load spectra_data.mat 随机产生训练集和测试集 temp = randperm(size(NIR,1)) 训练集——50个样本 P_train = NIR(temp(1:50),:) T_train = octane(temp(1:50),:) 测试集——10个样本 P_test = NIR(temp(51:end),:) T_test = octane(temp(51:end),:) N = size(P_test,2) 数据归一化 ( Training set/test set generation load spectra_data.mat randomly generated training set and test set temp = randperm (size (NIR, 1)) training set- 50 samples P_train = NIR (temp (1:50) ,:)' T_train = octane (temp (1:50 ),:)' test set- 10 samples P_test = NIR (temp (51: end ),:)' T_test = octane (temp (51 : end ),:)' N = size (P_test, 2) Data Normalization)

FCM Data set clustering using fuzzy c-means clustering. [CENTER, U, OBJ_FCN] = FCM(DATA, N_CLUSTER) finds N_CLUSTER number of clusters in the data set DATA. DATA is size M-by-N, where M is the number of data points and N is the number of coordinates for each data point. The coordinates for each cluster center are returned in the rows of the matrix CENTER. The membership function matrix U contains the grade of membership of each DATA point in each cluster. The values 0 and 1 indicate no membership and full membership respectively. Grades between 0 and 1 indicate that the data point has partial membership in a cluster. At each iteration, an objective function is minimized to find the best location for the clusters and its values are returned in OBJ_FCN.

粒子群算法 粒子群优化算法(PSO)是一种进化计算技术(evolutionary computation)，有 Eberhart博士和kennedy博士发明。源于对鸟群捕食的行为研究PSO同遗传算法类 似，是一种基于叠代的优化工具。系统初始化为一组随机解，通过叠代搜寻最优 值。但是并没有遗传算法用的交叉(crossover)以及变异(mutation)。而是粒子在 解空间追随最优的粒子进行搜索。(pso 粒子群优化算法(PSO)是一种进化计算技术(evolutionary computation)，有 Eberhart博士和kennedy博士发明。源于对鸟群捕食的行为研究PSO同遗传算法类 似，是一种基于叠代的优化工具。系统初始化为一组随机解，通过叠代搜寻最优 值。但是并没有遗传算法用的交叉(crossover)以及变异(mutation)。而是粒子在 解空间追随最优的粒子进行搜索。)

整理网上matlab环境元胞自动机18个源程序，全部调试通过。对广大matlab用户研究了解元胞机有重要参考价值。(collected cellular automata 18 matlab source, which has an important value of reference for Matlab users.)

coding. Input QUALITY determines the amount of information that 3/20/06 by R.Woods to correct an eob coding problem, to check the quality input for <

QPSKtiaozhi的一种方式，采用包给了白噪声，加入了两路分别处理条制服的方式(QPSKtiaozhi a way, using the packet to the white noise, to join the two handle pieces uniform)

说明：  程序描述了电压为-0.377V的情况下，卡尔曼滤波器的输出。其中“+”为观测值。程序注解写的很清楚很容易看懂。(Procedure describes the voltage of-0.377V, the Kalman filter output. Which+ For the observed values. Notes written procedure is easy to understand very clearly.)