...振动和非振动;;Riccati变换 [gap=551]ositive and negative coefficient;;neutral delay difference equation;;nonlinear;;oscillation and nonoscillation;;Riccati transformation ..
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摘要：旋转机械测试中，振动信号通常是随机非稳态信号，必须进行振动和转速信号同步分析。
Absrtact: in rotary machinery test, vibration signal is stochastic and uncertain usually, so, synchronous analysis of vibration and instantaneous rotational speed in the rotary machinery is necessary.
给出了一种用于连铸生产的非正弦振动波形，并对其波形参数和振动工艺参数进行了讨论。
A waveform of non sinusoidal oscillation for continuous casting is given. The relations between the waveform parameters and oscillation process parameters are discussed.
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