直ちょっ交こう周しゅう波は数すう多た重じゅう変へん調ちょうMeaningsNoun1. orthogonal frequency division multiplexingKanji used直straight交mingle周circumference波a wave数number多many重heavy変change調toneComposed of直ちょくdirect; night duty; night watch; being on duty (in a factory); shiftNo-adjective交こうassociation; fellowship; change (of season, year, etc.)Noun周しゅう波は数すうfrequency (esp. of waveforms)Noun多た重じゅうmultiple; multiplexNoun変へん調ちょうirregularity; abnormality; anomaly; change of tone; transposition; modulationNoun