Communications: directive radio wave systems and devices (e.g. – Return signal controls radar system – Antenna control
Patent
1988-05-24
1991-01-22
Barron,, Jr.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls radar system
Antenna control
342 62, G01S 1394
Patent
active
049874195
ABSTRACT:
Air-to-ground radar (2) is stabilized by comparing the power of the returning echo occurring during an initial period after the transmission of each pulse with that occurring during a following period after the transmission of each pulse, and using the result of this comparison to control an elevation controller (13) of the radar (2). Means (7, 8) provide a first power signal representative of the power of the returning echo occurring during an initial period after the transmission of each pulse, means (7, 9, 10) provide a second power signal representative of the power of the returning echo occurring during a following period after the transmission of each pulse, and a comparator (12) compares the magnitude of the first and second power signals and outputs a control signal causing the elevation controller (13) to raise or lower the elevation at which output pulses are projected.
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Barron Jr.
British Aerospace Public Limited Company
Sotomayor John B.
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