周しゅう波は数すう変へん位い方ほう式しきMeaningsNoun1. frequency shift keyingKanji used周circumference波a wave数number変change位rank方way式ceremonyComposed of周しゅう波は数すうfrequency (esp. of waveforms)Noun変へん位いchange of position; displacementNoun方ほう式しきform; method; system; formulaNoun