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针对一种异步实现结构的异步快速傅立叶变换处理器,给出了处理器中异步加法器的电路和异步乘法器的结构.该异步快速傅立叶变换处理器采用本地的握手信号代替了传统的整体时钟.通过对一个8点的异步快速傅立叶变换处理器电路仿真,得到该处理器的平均响应时间为31.15 ns,仅为最差响应时间42.85 ns的72.7%.由此可见,异步快速傅立叶变换处理器在性能方面较同步处理器存在优势。
A asynchronous asynchronous fast Fourier transforms processor with asynchronous adder circuit and asynchronous multiplier structure is presented. The asynchronous fast Fourier transforms processor uses the local handshake signal to replace the traditional global clock The simulation results show that the average response time of this processor is 31.15 ns, which is only 72.7% of the worst response time of 42.85 ns.Thus, the asynchronous Fast Fourier Transform Processor There are advantages over synchronous processors in terms of performance.