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本文应用快速傅里叶变换(FFT)技术直接地从控制系统频率特性求系统过渡过程。此方法的计算机程序相当简单,计算时间短,易在微型机上实现。
In this paper, we use Fast Fourier Transform (FFT) to find the system transition directly from the frequency characteristics of the control system. The computer program of this method is quite simple, the calculation time is short, and it is easy to realize on the micro-computer.