randlp

SOMVIS软件学习材料，高纬网络及其可视化(SOMVIS software, learning materials, networks and visualization of high-latitude)

基于分形理论与NPW模型的针板电极绝缘系统击穿时电树枝物理现象的计算机模拟 (Simulation of electrial breakdown treeing in a needle-plate configuration based on fractal theory and NPW model.)

multi scale structural similarity index

说明：  本设计为基于MATLAB特征点匹配的指纹识别系统。带有一个GUI界面。主要对指纹图像进行三方面处理：图像预处理、特征提取和特征匹配。图像预处理包括四个步骤：图像分割、滤波增强、二值化、细化，对指纹图像进行预处理后，去除了原图像的冗余部分，方便后续的识别处理；特征提取主要是提取指纹图像细化后的端点和分叉点；特征匹配是利用两个指纹的图像进行特征点比较，来确定两幅图像是否来自于同一手指。(This design is a fingerprint recognition system based on MATLAB feature point matching. With a GUI interface. Fingerprint image is mainly processed in three aspects: image preprocessing, feature extraction and feature matching. Image preprocessing includes four steps: image segmentation, filter enhancement, binarization and thinning. After preprocessing the fingerprint image, the redundant part of the original image is removed to facilitate the subsequent identification processing; feature extraction is mainly to extract the refined endpoint and bifurcation point of fingerprint image; feature matching is to determine the two images by comparing the feature points of two fingerprint images Is it from the same finger.)

matlab数学建模工具箱，包括：％ 1. MATLAB常用数学建模工具的中文帮助 ％ 2. 贡献MATLAB数学建模工具(打*号) ％ 3. 中国大学生数学建模竞赛历年试题MATLAB程序(mathematical modeling matlab toolbox, including: 1. MATLAB mathematical modeling tools commonly used in Chinese to help 2. contributions to MATLAB mathematical modeling tool (hit* No.) 3. China Undergraduate Mathematical Contest in Modeling questions MATLAB program calendar)

kmin clustering is very good

十折交叉验证算法的代码，我用的比较简单，希望大家能够喜欢(Ten-fold cross-validation algorithm code, I use relatively simple, hope that we can love)

The Interleaved Frequency Division Multiple Ac- cess (IFDMA) scheme is based on compression, repetition and subsequent user dependent frequency shift of a modulated signal. Multiple access is enabled by the assignment of overlapping but mutually orthogonal subcarriers to each user. In this paper it is shown that IFDMA can be regarded as unitary precoded OFDMA with interleaved subcarriers. On the other hand, IFDMA is shown to be a CDMA variant with frequency domain orthogonal signature sequences and chip interleaving. Thus, it combines the advantages of single and multi carrier transmission such as low peak to average power ratio, orthogonality of the signals of different users even for transmission over a time dispersive channel and low complexity. Simulation results show the good performance of coded IFDMA transmission over a mobile radio channel for different data rates.

the code fo numerical methode for cfd.

atken插值，利用插值可以实现曲线拟合，函数逼近，在轨道拟合，钟差拟合中都有很好的应用(ATKEN )