levelsetcode

This model shows NASA s HL-20 lifting body modeled in Simulink, and Aerospace Blockset. This model simulates approach and landing flight phases using an auto-landing controller.

particle swarm optimization for loss reduction

ansys分析技术指南，详细介绍了拓扑优化和自适应网格划分(ansys analysis technique guide, detailing the topology optimization and adaptive meshing)

信号生成的组成部分，产生随机序列，生成模拟信号(signal generate)

说明：  在MATLAB运行环境下，基于支持向量机的非线性系统辨识程序！(Run in the MATLAB environment, based on support vector machines for nonlinear system identification procedure!)

提取大量txt文本中的相同序号的数据，保存至数组，作为纵坐标画出图形。(Txt text to extract a large number of the same data, save it to an array, as ordinate drawn graphics.)

matlab利用小波分解和混沌加密结合的图像加密算法程序代码(matlab program code encryption algorithm using image wavelet decomposition and chaotic encryption combined)

小波包分析提取振动信号中的特征频率，二维声子晶体FDTD方法计算禁带宽度的例子,采用的是通用的平面波展开法。( Wavelet packet analysis to extract vibration signal characteristic frequency, Dimensional phononic crystals FDTD method calculation examples band gap, Using common plane wave expansion method.)

彩色数字水印的程序，实现在彩色图像中通过DCT变换来嵌入水印信息(Color digital watermarking process to achieve the color image by DCT transform to embed watermarks)

球谐函数的matlab程序，用于声场分析(spherical harmonic function)