watermarking-algorithm

利用割线法、进退法、黄金分割法等求解给定区间内的极大值与极小值(Using the secant method, advance and retreat, such as golden section method for solving the given interval maxima and minima )

说明：  四杆桁架结构的有限元分析(Bar2D2Node); 三梁平面框架结构的有限元分析(Beam2D2Node); 基于3节点三角形单元的矩形薄板分析(Triangle2D3Node); 基于4节点四边形单元的矩形薄板分析(Quad2D4Node); 基于4节点四面体单元的空间块体分析(Tetrahedron3D4Node); 基于8节点六面体单元的空间块体分析(Hexahedral3D8Node);(Finite element analysis of four bar truss structure (bar2d2node); Finite element analysis of three beam plane frame structure (beam2d2node); The analysis of thin rectangular plate based on 3-node triangular element (triangle2d3node); The analysis of rectangular thin plate based on 4-node quadrilateral element (quad2d4node); Tetrahedron 3D 4node (Tetrahedron 3d4node) is used to analyze the spatial block; The spatial block analysis based on 8-node hexahedral element (hexahedral 3d8node);)

其中包含了三种算法，粒子群优化方法，遗传算法和蚁群算法(Which contains the three algorithms, particle swarm optimization, genetic algorithms and ant colony algorithm)

说明：  一被控对象 ，给定为阶跃给定，幅值为500，设计一个两维模糊PI型控制器，输入语言变量和输出语言变量均取7个值{NB，NM，NS，ZE，PS，PM，PB}，模糊论域为{-6，-5，-4，-3，-2，-1，0，1，2，3，4，5，6}，用matlab编程仿真研究。(Charged with one object, to set at a given step, the amplitude for the 500, the design of a two-dimensional fuzzy PI-type controller, input linguistic variables and output linguistic variables are taken seven values (NB, NM, NS, ZE, PS , PM, PB), fuzzy domain for (-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6), Simulation programming with matlab .)

本仿真是基于matlab的capon波束形成，包含3个仿真(The simulation is based on Matlab capon beamforming, contains three simulation)

PROJECT REPORT on FUZZY based TEMPERATURE CONTROLLER

matlab实现D2D链路仿真 对小区中的D2D链路进行单工双工划分，并计算链路长度。改变链路距离和发射功率，研究链路分组情况(Matlab implementation of D2D link simulation Simplex duplex division of the D2D link in the cell, and calculate the length of the link. Link distance and transmit power are changed, and link grouping is studied)

说明：  此代码描述的是跳频系统在不采用两路分集的情况下的性能仿真，主要也是对误码率的仿真函数(This code describes the frequency-hopping system without two-way diversity in cases where performance simulation, is largely a function of the BER simulation)

说明：  利用害明滤波器对白噪声信号进行加权,提高信噪比(Filter with the use of harm-ming weighted noise signal to improve signal to noise ratio)

说明：  该程序的主要功能是用于产生LFＭ线性调频信号(The program' s main function is used to generate LFM chirp signal)