Assertion: radar | /r/CapableOf | use thin beam
Facets:
value: to cover a rectangular area
type: PURPOSE
value: for raster scan pattern
type: PURPOSE
Source sentences:
text: For raster scan pattern, radar uses a thin beam to cover a rectangular area by horizontally sweeping the area.
text: For this scan pattern, radar uses a thin beam, employing a spinning searching pattern for a specific sector of airspace.