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本文介绍一种用Z-80汇编语言写成的快速富里叶变换程序-FFT软件。该软件作为一个实用子程序,已经用于光纤带宽测试单板机实时数据采集处理系统中,进行时域函数的褶积计算,它也可以用于其它数字谱分析的应用场合。
This article describes a fast Fourier transform program written in Z-80 assembly language-FFT software. The software, as a practical subroutine, has been used in fiber optic bandwidth test board real-time data acquisition and processing systems to perform convolution calculations of time-domain functions. It can also be used in other digital spectrum analysis applications.