Introduction to the spectral-element method for 3-D seismic wave propagation。三维地震波数值模拟方法之谱元法介绍。国外先进数值模拟方法。

三维立体声音osgCal，是一款自由软件的跨平台音效API，主要用于集成到OSG中使用-Three-dimensional sound osgCal

该代码可做快速傅里叶转换以及离散傅里叶转换以及绘制三维时频图(The code can do fast Fourier transform, as well as discrete Fourier transform, and to draw three-dimensional time-frequency map)