System for determining the angular spin position of an object sp

Details System for determining the angular spin position of an object sp System for determining the angular spin position of an object sp

1989-05-03

1990-11-06

Jordan, Charles T.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

244 314, F41G 728

Patent

active

049679813

ABSTRACT:
System for determining the angular spin position of an object (1) spinning about an axis situated within certain limits near the surface (2) of a celestial body. The system is provided with means (4, 5, 6) for generating at least one carrier wave (7, 8) reaching as far as the surroundings of the object (1) and up to and interfering with the surface (2). The system is further provided with directional receiving antenna means (16) fitted to the object (1) and a receiving system (19) linked thereto for determining the angular spin position of the object (1) with respect to the surface (2) on the basis of the angular spin position of the object (1) with respect to the polarization direction of the carrier wave (7, 8).

REFERENCES:
patent: 2995749 (1961-08-01), Robinson, Jr.
patent: 4219170 (1980-08-01), Esker
patent: 4328938 (1982-05-01), Reisman et al.
patent: 4750689 (1988-06-01), Yff

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