noun, noun which may take the genitive case particle 'no'
in phase; in-phase; co-phase
Technical term used in physics and engineering to describe two or more periodic signals or waves whose peaks and troughs align.
二つの信号が正相であるとき、それらは互いに強め合う。
When two signals are in phase, they reinforce each other.
正相の波形を観測した。
We observed an in-phase waveform.