Assertion: doppler effect | /r/HasProperty | negative
Facets:
value: for receding from the transmitter
type: PURPOSE
value: for a target
type: TRANSITIVE-OBJECT
Source sentences:
text: Notice that the Doppler shift is negative when the object is moving away (opening range) from the radar and is positive when the object is moving toward the radar (closing range).
text: For a target approaching the receiver, the Doppler shift is positive.
text: For a target receding from the transmitter, the Doppler shift is negative.
text: Because the target approaches the receiver, the Doppler shift is positive.