helloworld

this paper talks about ofdm synchronization,hope it to be of help to evrybody

Hopfiel Matlabe codes

多用户OFDM系统的子载波分配算法参考论文(Subcarrier allocation algorithm for multi-user OFDM system)

说明：  海洋捕食者算法（MPA）是一种自然启发式的优化算法，它遵循在最佳觅食策略中自然支配的规则，并且在海洋生态系统中遇到捕食者与猎物之间的速率策略。(Marine predator algorithm (MPA) is a natural heuristic optimization algorithm, which follows the rules of natural dominance in the optimal foraging strategy, and encounters the rate strategy between predators and prey in the marine ecosystem.)

介绍matlab中主要数学函数，非常实用，学习的好帮手(Introduction MATLAB in the main mathematical function, very practical, learning a good helper)

将图像分为nxn的分块,之后将各分块三个颜色通道的直方图平均化,最后进行离散余弦变化,分别提取各通道低频系数(The image into nxn sub-block after block of all three color channels of the histogram equalization, and finally the discrete cosine change, were extracted from the low frequency coefficients of each channel)

Gabor transform one way to compute and analyze the time-freq analysis

文中给出了人工鱼群算法的原理和详细描述，并对算法的收敛性能和算法中各参数对收敛性的影响等因素进行了分析 针对组合优化问题，给出了人工鱼群算法在其中的距离、邻域和中心等概念，并给出了算法在组合优化问题中的描述 针对大规模系统的优化问题，给出了基于分解协调思想的人工鱼群算法 给出了人工鱼群算法中常用的一些改进方法(The Analysis and ImProvement of Artifieial Fish-swarm algorithm)

matlab的操作相关介绍书籍，手册指导完成简单的matlab操作(matlab introduce the operation of related books, manuals to guide the completion of a simple operation matlab)

用matlab实现灰色序列预测GM(1,1)，其中级比的判断采用手工判断。(Using matlab to achieve gray sequence prediction GM (1,1), one class than the judge to determine manually.)