【摘要】 在信号处理中,FFT占有很重要的位置,其运算时间影响整个系统的性能。传统的实现方法速度很慢,难以满足信号处理的实时性要求。针对这个问题,本文研究了基于FPGA芯片的FFT算法,把FFT算法对实时性的要求和FPGA芯片设计的灵活性结合起来,采用Alter公司的CycloneⅡ系列FPGA芯片EP2C35F672C8,用VHDL语言编程,最后分别使用Quartus Ⅱ和Matlab软件开发工具验证实现。更多还原

【Abstract】 FFT plays an important role in signal processing and its operation time will affect on the performance of the system. The operation speed of the traditional implementation method is too low to meet the real time requirement of signal processing. Aiming at this problem,this paper studies the FFT algorithm based on FPGA chip. It combines the real time requirement of FFT algorithm with the design flexibility of FPGA chip,employs EP2C35F672C8 chip of CycloneⅡ from Alter Company,and uses VHDL language to program. Finally it is verified and implemented using Quartus Ⅱ and Matlab software development tool,respectively.更多还原