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本程序主要对APSK信号进行了定性分析，对其星座进行优化设计，得出最佳设计。(the main procedures of APSK signal a qualitative analysis, Constellation optimize its design, The optimum design.)

here i have provided a matlab code in which we have the gold price of laast 4 yrs.we have predicted and showed it using a matlab code.

office 操作技巧包括matlab简单入门教程。可供老师教学参考之用。(office operating skills, including Getting Started tutorial matlab simple. Made available to teachers teaching reference.)

利用模式理论，对给定几何尺寸以及折射率分布的光纤进行模式求解与绘图，该程序给出LP11模的求解与绘图。(the LP11 mode of the fiber)

说明：  小波分析从基础到高级应用的matlab源码例程~~(Wavelet analysis of matlab source routines ~ ~)

说明：  MATLAB5.3精要、编程及高级应用 MATLAB适于工程计算、绘图、算法处理(MATLAB5.3 essence, MATLAB programming and advanced applications suitable for engineering calculations, drawings, algorithms deal with)

C-均值动态聚类算法 matlab 很简单对 一组样本点的分类和中心点(C- Means clustering algorithm Matlab is very simple sample of a point and focal point for the classification)

格兰杰因果检验的matlab程序，很好用(Granger causality test matlab)

SIFT特征提取程序，matlab编写。SIFT是图像上的某种特征，具有尺度，光照，甚至仿射不变性，广泛的用于图像拼接，目标检测，目标跟踪等应用中。(SIFT descriptor)

the code of rigid spacecraft model