DWNN_nn

检验Rossler混沌系统在有限时间内具有鲁棒性(Inspection Rossler chaotic system in the limited time robust)

Reconstruction of magnetic resonance images from data not falling on a Cartesian grid is a Fourier inversion problem typically solved using convolution interpolation, also known as gridding. Gridding is simple and robust and has parameters, the grid oversampling ratio and the kernel width, that can be used to trade accuracy for computational memory and time reductions. We have found that significant reductions in computation memory and time can be obtained while maintaining high accuracy by using a minimal oversampling ratio, from 1.125 to 1.375, instead of the typically employed grid oversampling ratio of two. When using a minimal oversampling ratio, appropriate design of the convolution kernel is important for maintaining high accuracy

最速梯度法工具箱，添加方法在命令窗口中敲入pathtool，会出现一个setpath的窗口，点add folder或者add with subfolders按钮，选中你的工具箱。保存既可。任选工具箱中的一个命令，然后help一下看看是否好使。(Toolbox steepest gradient method, add the method in the command window and typing pathtool, a setpath window appears, point add folder or add with subfolders button, select your toolbox. Save both. Choose a command in the toolbox, and then help look to see if so.)

说明：  matlab SIMULINK Arabic tutorial part 3

模板匹配法实现边沿检测，包括点模块、线模块和边沿模块等，文件中包含源图片及其程序运行结果(edge detection)

小孔径光电导天线产生太赫兹波的辐射特性(Produce small aperture photoconductive terahertz antenna radiation characteristics)

LMS算法去除加噪声音乐程序，效果比较好，有图为证。(LMS algorithm to remove noise adding music program, the effect is better, has a license to the graph. )

线性系统理论中对线性系统的可加性齐次性的验证仿真(Linear system theory of linear systems can be added to the homogeneity of the validation of simulation)

This tutorial starts with a simple conceptual model of an analog Phase-Locked Loop (PLL). Through elaboration it ends at a model of an all digital and fixed-point phase-locked loop. The final model can serve a starting point for code generation (both ANSI C or synthesizable HDL). The step-wise elaboration of the model illustrates how Simulink® forms the basis a model-based design where continuous verification of the model reduces errors.

说明：  各种调制方式调制识别用，区分ask，psk，fsk(Modulation recognition using)