The characteristics of heald frame vibration signature are studied.
研究了综框变化信号的特性。
Shedding device: cam shedding mechanism, four pieces of double-row heald frame.
开口装置：采用凸轮开口机构，四片双列综框。
The method of impact excitation testing with Fast Fourier Transform (FFT) based on spectrum analyzer to determine the dynamic characteristics of a heald frame is introduced.
介绍了通过基于快速傅立叶变换（FFT）的谱分析确定综框的动态特性。
The method of impact excitation testing with Fast Fourier Transform (FFT) based on spectrum analyzer to determine the dynamic characteristics of a heald frame is introduced.
介绍了通过基于快速傅立叶变换（FFT）的谱分析确定综框的动态特性。
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