tutorial_2_3_problem_7a

本源码是用于ad hoc中一种改进的预约多址协议的仿真，具有吞吐量高，支持QoS的特点。绝对可以运行。(source for the ad hoc An Improved PRMA agreement simulation, with high throughput, QoS features. Absolutely can run.)

卷积码编码仿真程序，编码速率为1/2；在Matlab环境下仿真，适用于初学者。(Convolutional code simulation program coding, coding rate of 1/2 in the Matlab simulation environment for beginners.)

介绍matlab6.0的矩阵及其基本运算，数值计算与数据分析，符号运算，概率统计，优化问题，绘图与图形处理等等。(Introduction matlab6.0 matrix and its basic operations, numerical and data analysis, symbolic computation, probability and statistics, optimization, graphics and graphics processing, and so on.)

采用猫映射图像加密，有二维三维到四维。都是已经在matlab运行通过的(Cat mapping using image encryption, there are two-dimensional to three-dimensional four-dimensional)

说明：  这是一个基于蚁群智能算法的组播QOS路由问题程序代码。(This is a multicast QoS problem based on AC.)

Decentralized model predictive load-frequency control (MPC)

输入相关参数，便可求得函数的二阶累积量，使得复杂计算过程得到避免(Input parameters, the function of the second order cumulant can be obtained, making complicated calculation is avoided )

Draw Nakagama distribution

可以计算一维光子晶体的透射特性和反射特性，用的是传输矩阵法(TMM one-dimensional crytal)

fuzzy logic and identifier design using clustering method. this script is useful for control engineers.