noun
frequency shift keying; FSK
Technical term in computing and telecommunications for a modulation method where digital data is transmitted through discrete frequency changes of a carrier wave.
この通信システムは周波数変位方式を採用している。
This communication system uses frequency shift keying.
Compound of 周波数 (frequency), 変位 (shift/displacement), and 方式 (method/system). The term is a direct calque of the English 'frequency shift keying'.