周しゅう波は数すう偏へん移いしゅうはすうへんいMeanings1nounfrequency shiftTechnical term used in telecommunications, signal processing, and physics to describe a change in the frequency of a wave or signal.ドップラー効こう果かにより、観かん測そくされる周しゅう波は数すう偏へん移いが生しょうじる。Due to the Doppler effect, an observed frequency shift occurs.