差さ動どう位い相そう偏へん移い変へん調ちょう

noun

differential phase-shift keying; DPSK

Technical term in digital communications; a modulation method where the phase of the carrier signal is changed relative to the previous symbol.

• 差さ動どう位い相そう偏へん移い変へん調ちょうは、無む線せん通つう信しんでよく使つかわれる変へん調ちょう方ほう式しきの一ひとつです。

  Differential phase-shift keying is one of the modulation methods often used in wireless communication.