Ballistic projectiles

Details Ballistic projectiles Ballistic projectiles

1988-05-31

1989-10-31

Jordan, Charles T.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

F42B 1502

Patent

active

048772011

ABSTRACT:
A method and apparatus for determining a vertical component of a spinning ballistic projectile. Signals are obtained corresponding to the acceleration along a sensitive axis, that is parallel but spaced from an axis of the spin. These signals include periodic and non-periodic terms. The periodic term is related to the spin frequency. Therefore, these signals are processed to isolate the periodic term. By ascertaining the phase of this signal with reference to a reference point, an indication of the vertical plane can be obtained.

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patent: 4462254 (1984-07-01), Rider
patent: 4467639 (1984-08-01), Bush
patent: 4608641 (1986-08-01), Snell

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