在VisualDSP++5.0开发环境下，利用C语言编写的fft源代码。-In VisualDSP++5.0 development environment, using C language fft source code.

针对传统的解析法和有限元法在压电陶瓷分析中的弊端, 采用有限元软件ANSYS对压电陶瓷掺镧锆钛酸铅( PLZT)进行特性分析-In order to avo id the defect in traditiona l analytic m ethod and the fin ite e lem ent ana lysis ( FEA ) used in the analysis of piezoe lectric cera m ics , FEA softw are ANSYS w as i

有限元代码2D，来自清华大学计算动力学有限元开源平台(FEM C Code you could use it for learning FEM coding)