Determination of roll angle
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United States of America Patent
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-
May 9, 1995
Issued Date -
N/A
app pub date -
Sep 8, 1993
filing date -
Jul 2, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for an unambiguous determining of the roll angle attitude of a rotating projectile, grenade, missile or the like with the aid of a polarized electromagnetic radiation, comprises a transmitter for emitting a position-determining polarized radiation (space wave) in the direction of the projectile and a receiver arranged in the projectile for receiving the emitted radiation. The emitted space wave is made up of a carrier wave reference with frequency f.sub.1 which has been phase-modulated with a modulation frequency f.sub.2, wherein f.sub.2 is<
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