| 单词 | phase rotation |
| 释义 | > as lemmasphase rotation phase rotation n. a rotation or cycling of the phase of a waveform; (Electrical Engineering) = phase sequence n. 1. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > phase > [noun] > sequence phase rotation1918 phase sequence1918 1918 K. Edgcumbe Industr. Electr. Measuring Instruments (ed. 2) 254 The direction of phase rotation of the secondary pressures and currents may conveniently be checked by a phase rotation indicator. 1922 R. Glazebrook Dict. Appl. Physics II. 936/2 If these two readings give zero reading, the transformers are correctly phased... If readings are obtained across EE′ and FF′ then polarity or phase rotation is incorrect. 1962 Newnes Conc. Encycl. Electr. Engin. 572/2 A simple portable instrument to indicate phase rotation. 1991 Proc. Royal Soc. A. 433 564 A translation of the wavefunction around this superlattice cell generates an integral number of phase rotations through 2π. < as lemmas |
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