add_area

邻接灰度矩阵（NGLDM）计算的程序，matlab实现(Neighboring Gray-Level Dependence Matrix )

经验模态分解程序集，一类可以有效进行信号分段以及分析和处理的源代码。(Empirical mode decomposition procedure)

解标志模糊的奇异值分解和多路张量模型,用Matlab代码编写.(Resolving the Sign Ambiguity in the Singular Value Decomposition and multi-way tensor models)

this is matlab code for content based image retri system (CBIR) system implemented in corel

用于512点循环卷积，采用的是重叠保留法，和重叠相加法(For the 512-point circular convolution, using overlapping retention law, and overlap-add method)

利用Matlab内建的快速傅氏变换函数可以方便地在波数域计算重磁异常导数。介绍了基于Matlab语言的波数域求导的算法，给出了程序源代码，讨论了一些有助于提高计算精度的编程技巧。通过模型试验和数据分析， 发现在计算垂向导数时波数域求导算法的精度比傅氏级数的精度有明显改善；而水平导数的计算，2种方法的精度相当。在某区钾盐勘探中，用该方法处理高精度重力剖面数据，取得了较好效果。(It is convenient to calculate derivative in wave number space using the inbuih F胛function in Matlab．This paper describes a matlab algorithm for derivative calculation of 1 D gravity and magnetic anomaly in wave number space，gives code of program and deals with some programming skills for precision improvement．Throngh model test and data analysis，it is found that the precision of the F盯method is much higher than that of the Fourier Series method in vertical derivative calculation．In horizontal derivative calculation， however，the precisions of the two methods ale almost the same．During kainite exploration in a certain basin，satisfactory result Wag obtained in the processing of gravity profile data using this method．)

这是基于matlab的一个无刷直流电机的仿真模型，效果很好(This is a matlab-based simulation model of brushless DC motor, works well)

进行Hilbert-Huang变换的源代码，可以对信号进行时频分析，非常好用

减摇水舱对船舶参数横摇的抑制，4自由度模型，包括垂荡‘纵摇和水舱状态(The anti rolling tank on the inhibition of Parametric Rolling of ships, model of 4 degrees of freedom, including heave pitching and water tank to state )

一个增强版的遗传算法，用于波束赋形，可供初学者学习使用(Parallel relation of genetic algorithm in crossover and mutation)