介绍了利用波谱图判断机械故障的几种方法。
Some methods of judging mechanical fault using spectrogram are introduced.
分析了利用波谱图判断机械故障问题的几种方法。
Some methods on judging mechanical failure problem with spectrogram diagram were analysed.
脉络波谱图分析查明了中范围（频率）信号波动的形态结构变化。
Venation wave spectrum analysis finds out shape-structure change of mid-frequency signal fluctuation.
利用本文方法计算波谱图，其波道数可根据需要进行选择，并能得到相应的三维波谱图。
If spectrum is calculated with such method in this paper, then number of channel can be chosen according to demand, and correspondingly spectrum of three dimensions can be got.
本文通过分析推导，找出了罗拉扭振纱疵的特征方程，并就其波谱图、曲线图、布面外观特征进行了研究。
Through analysis and inference, the writer finds out the feature equation of roller turn vibration yarn faults, and researches its wave spectrum, curve, fabric appearance characteristics.
图1显示了该波谱。
每秒传输30幅图象画面的电视系统，它必须工作于宽带电磁波谱。
Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum.
结果在这些病人中，包括重心动摇、生物力学波谱和矢量检查及雷达图在内的平衡功能检查的各项参数值，均显示异常。
Results Each parameter of the balance function examinations included postural sway, biomechanical wave power and vector, and radar graph is abnormal in the patients.
结果在这些病人中，包括重心动摇、生物力学波谱和矢量检查及雷达图在内的平衡功能检查的各项参数值，均显示异常。
Results Each parameter of the balance function examinations included postural sway, biomechanical wave power and vector, and radar graph is abnormal in the patients.
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