摘要
本文介绍了运用数字处理技术在计算机上实现对纱条不匀信号，进行频谱分析的方法及注意事项．
This paper introduces a method to analyze the frequency spectrum of yarns and slivers unevenness signal by computers and presents the points for attention when the method is use.
关键词
数字信号
频谱分析
采样
纺纱
纱条
digital signal
frequency spectrum analysis
sampling
fast Fourier transform (FFT)
