fundamental wave; fundamental
Physics term for the lowest-frequency component of a periodic wave or oscillation. Also used in signal processing and acoustics.
この波形の基本波の周波数は50Hzです。
The frequency of the fundamental wave of this waveform is 50 Hz.
Harmonics are superimposed on the fundamental wave.
Compound of 基本 (kihon, 'foundation, basis') and 波 (ha, 'wave'). A straightforward technical term.