LSI2

用newmark-beta法计算单自由度结构输入地震动后的位移时程曲线，该函数可应用于各种周期的结构的反应，不存在中心差分法的问题 (newmark-beta method)

介绍了一种过零检测方法，实用性强，检测效果较好(This paper introduces a zero crossing detection method, practical strong, better effect)

精通GUI图形界面编程，接好matlab编程方法，很好的参考书， (Proficient in GUI graphical interface programming, then good matlab programming method, a very good reference books,)

1.二值图像的fft分析 2.显示频谱图像，频谱的零频率系数被移到频谱中间 3.填充矩阵填充后的情况比较 4.绘图直观形象(1. Binary Image fft analysis 2. Image shows the spectrum, Spectrum coefficient of zero frequency spectrum has been moved to the middle three. Filled Filled matrix compared to the situation after four. Mapping visual image)

l曲线的岭参数估计确定相关参数。。。。。。。。。。。。。。(The ridge parameter estimation of the L curve determines the relevant parameters.)

找到的编写的CDMA通信系统的仿真程序，发上来分享一下，同时附带具体的程序说明文档。(Found in the preparation of the CDMA communication system simulation program, a table to share, at the same time attached to the specific procedure documentation.)

数学建模清华数模讲义\model9b (Mathematical modeling Qinghua digital-analog handouts model9b)

运用Matlab实现最小二乘的曲线拟合，经调试，基本符合应用要求。(Using least squares curve fitting Matlab implementation, the debugging, in line with application requirements.)

matlab程序：利用小波变换实现图像的变换和反变换(matlab program: using wavelet transform image transform and inverse transform)

matlab作为专业软件，在此上传其七专业讲座，希望能对大家有帮助(matlab as a professional software, in this upload its seven professional seminars, I hope you can help)