Communications: directive radio wave systems and devices (e.g. – Return signal controls radar system – Antenna control
Patent
1994-09-21
1996-01-16
Lobo, Ian J.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls radar system
Antenna control
G01S 1366
Patent
active
054851564
ABSTRACT:
A radar utilizes an antenna stabilization error correction system to automatically estimate and correct attitude sensor errors in pitch, roll and elevation. The radar system includes an antenna, an antenna positioner, a transmitter receiver, a signal processor, an antenna controller and stabilization processor and the antenna stabilization error correction system. As part of the normal signal processor sub function, ground clutter signals are extracted from the received signals. These signals are the primary input to the antenna stabilization error correction system. Other inputs are received from the signal processor, antenna controller and stabilization processor and an external aircraft radio altimeter. The antenna stabilization error correction system processes the signals and estimates pitch, roll and elevation errors which are passed back to the antenna controller and stabilization processor.
REFERENCES:
patent: 3821738 (1974-06-01), Quesinberry et al.
patent: 3924235 (1975-12-01), Heller et al.
patent: 4148029 (1979-04-01), Quesinberry
Brandao Ruy L.
Hermann Phillip R.
Manseur Arezki
Weist William C.
Allied-Signal Inc.
Lobo Ian J.
Massung Howard G.
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