Assertion: ellipsoid's ax | /r/HasProperty | aligned along direct line-of-sight
Facets:
value: between a receiver
type: TRANSITIVE-OBJECT
value: between a transmitter
type: LOCATION
Source sentences:
text: Fresnel zones, used to analyze wave propagation and interference in space, are a series of concentric prolate spheroids with principal axes aligned along the direct line-of-sight between a transmitter and a receiver.