Assertion: doppler effect | /r/HasProperty | experienced
Facets:
Source sentences:
text: The Doppler effect is experienced when a source is moving and when the sound is reflected off a moving object.
text: The Doppler effect is an experience which can be likened to what happens to a moving train.
text: The Doppler effect is the apparent change in the transmission frequency of the received signal and is experienced whenever there is any relative motion between the emitter and receiver of wave signals.