bn:00028274n
Noun Concept
Categories: Wave mechanics, Sound, Radio frequency propagation, Radar signal processing, Acoustics
EN
Doppler effect  Doppler shift  Aberration redshift  Acoustic Doppler effect  Change in notes of cats effect
EN
Change in the apparent frequency of a wave as observer and source move toward or away from each other WordNet 3.0
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EN
Change in the apparent frequency of a wave as observer and source move toward or away from each other WordNet 3.0 & Open English WordNet
The Doppler effect is the change in the frequency of a wave in relation to an observer who is moving relative to the source of the wave. Wikipedia
Frequency change of a wave for observer relative to its source Wikidata
The doppler effect is the change of the received frequency of waves (e. g. light or sound), that occurs when sender and receiver move relatively to each other. OmegaWiki
The apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves. Wiktionary
Change in frequency or wavelength. Wiktionary (translation)