为了满足对分数阶信号变换进行实时计算的要求,提出一种基于Altera Stratix Ⅱ FPGA平台的可重配置分数阶信号变换处理器的硬件实现方案.根据角度分解的算法,设计了一种通用的硬件框架并实现.利用FPGA的可重配置性,通过简单的参数调整可以实现各种不同的分数阶信号变换的功能.实验表明本系统灵活性强,为快速开发各种基于分数阶信号变换的实时系统提供了一个良好的平台.
In order to meet the requirement of fractional signal transform real-time computation, this paper proposes a hardware implementation of reconfigurable fractional signal transform processor based on Altera Stratix Ⅱ FPGA. A common hardware framework is designed and realized based on the angular decomposition algorithm. Taking advantage of the reconfigurable property of FPGA, various fractional signal transform functions can be realized through simple adjustment of parameters. The experiment results indicate this system is very flexible, which gives a good platform for the quickly development of various realtime system based on fractional signal transform.