EARLY VELOCITY MEASUREMENT FOR PROJECTILES BY DETECTING SPIN

A sensor determines the spin rate or rotation frequency of a munition body of a guided projectile relative to precision guidance munition assembly. The spin rate is used to determine launch velocity of the guided projectile early in flight before GPS is operationally active. The launch velocity is u...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Chrobak, Matthew F, Zemany, Paul D
Format:	Patent
Sprache:	eng
Schlagworte:	AIMING AMMUNITION ANALOGOUS ARRANGEMENTS USING OTHER WAVES BLASTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION HEATING LIGHTING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MECHANICAL ENGINEERING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING WEAPON SIGHTS WEAPONS
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Beschreibung
Zusammenfassung:	A sensor determines the spin rate or rotation frequency of a munition body of a guided projectile relative to precision guidance munition assembly. The spin rate is used to determine launch velocity of the guided projectile early in flight before GPS is operationally active. The launch velocity is used to determine whether a corrective maneuver is needed to change the range of the guided projectile. Logic can control the canards on the canard assembly in response to the determination that a corrective maneuver is needed.