Ejercicio+3

神经网络是单个并行处理元素的集合，我们从生物学神经系统得到启发。在自然界，网 络功能主要由神经节决定，我们可以通过改变连接点的权重来训练神经网络完成特定的功能。如人脑的某一部分进行机械记忆特别有效 而某一部分进行抽象思维特别有效。(Nervous system has some functions. Here I make them by using Matlab.)

Image crop in matlab

Quantization error and distribution.

说明：  利用Matlab平台编制的光线追迹模拟程序，可以改变程序中的相关参数，模拟任意形状透镜的光线追迹。(The program used to simulate ray tracing using MATLAB platform can change the relevant parameters in the program to simulate ray tracing of lens with arbitrary shape.)

我做的关于广义预测控制的小程序，请大家给与一件(I have done on the generalized predictive control of a small program)

OFDM-BPSK仿真 OFDM在BPSK调制下的误码率仿真(OFDM fading with BPSK the simulation of OFDM-BPSK)

说明：  本程序是用来预测简单的时间序列的数据，欢迎大家一起来探讨学习(time series data of the prediction)

matlab源程序，计算系统的相关系数，用于系统各因素的影响度分析。(matlab source code, computing the correlation coefficient for the system factors analysis.)

calculate standardized precipitation data with matlab

：以matlab工具箱的形式给出了静态及动态未知环境下移动机器人地图构建的仿真研究平 台。通过分析polaroid6500声纳、电子罗盘、编码器等传感器的工作原理建立了参数可调的传感器 模型。这些传感器为机器人提供位姿及环境信息。在分析已有基于hough变换的线段提取算法的基 础上提出了抑止。杂线段。现象的CIHT[Clus~r Inhibiting Hough Transform]算法．采用cIHT 对声蚋信息作环境特征提取，便于开展基于环境特征的未知环境地图构建算法方面的研究工作。(Abstract：A simulation system ofmapping for sonar-based mobile robot was developed易0 in static and dynamic unknown environments in a foFin ofmatlab toolbox．Sensor models with tunable parameters were established by interpreting and simulating the mechanism of encoder。digital compass．and polaroid 6500 sonar．These sensors provide the information of robot pose and environments．A novel C1HT[Cluster Inhibiting Hough Transfo删J algorithmfor sonar data was proposed by ana~zing existing line segments detection methods based on Hough Transform，which would make the research of feature—based mapping of unknown environment more convenient．)