Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver
Patent
1984-11-02
1989-11-07
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Beacon or receiver
342351, 364434, 244 320, 244 321, G01S 504, G01S 302
Patent
active
H00007102
ABSTRACT:
A horizon reference system has a plurality of microwave radiation sensors which are selectively connected by a controller to a superheterodyne receiver. The output signals of the receiver are processed in conjunction with antenna selection data to provide roll angle with reference to the horizon and roll angle rate data about any particular axis of the platform on which the sensors are mounted.
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Hatcher: "A Survey of Attitude Sensors for Spacecraft"; NASA SP-145, 1967.
Bremer: "Improvement of Scanning Radiometer Performance by Digital Refere Averaging"; IEEE TIM, vol. IM28, No. 1, Mar. 1979.
Dillinger Robert B.
Heydlauff Bruce M.
Hooper John O.
Skeer W. Thom
Tarcza Thomas H.
The United States of America as represented by the Secretary of
Townsend William C.
Wallace Linda J.
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