the meaning of properly phased
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"The coincidence of a higher torsional resonance with a machine speed is usually harmless because its occurrence can only be triggered if an excitation takes place simultaneously at various points along the train and in a properly phased manner. What does “properly phased” mean?
properly phased is in exactly the same phase. to occur simultaneously at various points along the train and properly phased to happen at multiple points at the same time and with exactly the same phase.
properly phased – is “phase” a verb here? ? ? ?
Reply to 4# lincqh ........ along the train and properly phased. The two words connected together should have the same part of speech; since the first word is \"train\" (a noun), then \"properly phased\" should also be a noun phrase. I’m not sure if this understanding is correct; please give me your guidance.
Reply to 2# cjzhou2: Thank you
This “phase” refers to the resonance frequency. Reaching resonance requires adjusting the “phase”.
With proper phasing, its development can only be triggered if excitation occurs simultaneously at various points along the train; resonance can arise only when vibration excitation takes place at multiple points at the same time and with appropriate phasing.