Radar device for obstacle warning
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United States of America Patent
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Sep 19, 1995
Grant Date -
N/A
app pub date -
Jul 12, 1994
filing date -
Jul 14, 1993
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention pertains to a radar device with synthetic aperture based on rotating antennae (ROSAR principle), preferably for helicopters, which operates in the millimeter-wave range and is used mainly as an obstacle radar, wherein the full synthetic aperture length can be reached already within very short distances due to the arrangement of the antennae on a turnstile. Exemplary embodiments, calculations and representations are shown and explained.
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