fig2_SOM

一用GA直接训练BP网络的权重算法 二用GA先求BP网络的权重，再用纯BP直接训练BP的混合GA－BP算法 (matlab program)

说明：  基于导频脉冲序列，解决IR-UWB通信系统信号捕获和定时同步问题。(Pulse sequence based on the pilot to address the IR-UWB communication system signal acquisition and timing synchronization.)

增量PID控制算法，实现PID增量式控制(Incremental PID control algorithm, to achieve incremental PID control)

GPS的matlab程序终端轨迹估计，有关GPS轨迹仿真的matlab程序(GPS track of the estimated terminal matlab program, the GPS track matlab simulation program)

FIR低通滤波器的编程实现，针对的是一维信号处理(The FIR low pass filter for programming is one dimensional signal processing)

通过有限元法求解柔性支撑的铁木辛柯梁的固有频率，包含各个单元的组装，固有频率的计算！！！！！！！！！！！！！！！！！！(Through finite element method, the natural frequency of the flexible support is solved, including the assembly of each unit and the calculation of the natural frequency.)

本matlab函数，利用混沌映射不可预测性，遍历性和敏感性，以它们的参数和初始值的优异特性的，实现一个图像加密算法。我们引入了一个新的二维logistics函数。与现有的混沌映射相比，它具有更广泛的范围内混乱，更好的遍历性，混沌性和relativelylow实施成本。为了研究及其应用，我们提出了一个之乱转换（CMT），以有效地改变图像的像素位置。结合2D-logistics与CMT，我们进一步实现图像加密算法。(In this matlab test,we use the chastic s excellent properties of unpredictability, ergodicity and sensitivity to their parameters and initial values, chaotic maps are widely used in security applications. In this paper, we introduce a new two-dimensional Sine Logistic modulation map (2D-SLMM) which is derived the Logistic and Sine maps. Compared with existing chaotic maps,it has the wider chaotic range, better ergodicity, hyperchaotic property and relativelylow implementation cost. To investigate its applications, we propose a chaotic magic trans-form (CMT) to efficiently change the image pixel positions. Combining 2D-SLMM with CMT, we further introduce a new image encryption algorithm. )

最新版《精通Matlab与C/C++混合程序设计》（ 第三版） 刘维编著- proficient Matlab and C/C mixed Program Design (third edition）(The latest version of Mastering Matlab and C/C++ programming mix (third edition) edited by Richard- proficient Matlab and C/C mixed Program Design (third edition))

用于计算输电网的潮流，充分考虑了线路中的变压器，并且对变压器模型设定了不同的输入方式，较为灵活的输入。(For the calculation of the trend on the transmission grid, give full consideration to the line transformer and the transformer model set a different input methods, more flexible input.)

利用BLT方程计算四边形环形网络，管道特性阻抗均为50欧姆，第五根线另一端接幅值为1V的电压源。可求解各个节点的电压响应与时域响应。(Use BLT equation quadrilateral ring network, pipelines are 50 ohm characteristic impedance, the other end of the fifth wires amplitude of the voltage source of 1V. Voltage response can be solved and the time-domain response of each node.)