Communications: directive radio wave systems and devices (e.g. – Return signal controls radar system – Antenna control
Patent
1980-10-10
1987-05-12
Tubbesing, T. H.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls radar system
Antenna control
342 62, 342 87, 342128, G01S 1372
Patent
active
046654011
ABSTRACT:
A high frequency target seeking device, using a stabilized reflector antenna, performs range search and tracking functions and target angle search and tracking functions. A technique is provided for target range discrimination using several narrow band i.f. filters, also thereby improving signal-to-clutter ratio and signal-to-receiver noise ratio. Target search is accomplished with simultaneous range and antenna azimuth scanning, with the range bins and the antenna beam swept across the target. A multiplexer selects the range bin having signals indicative of the target. Target range tracking is accomplished by the multiplexer additionally automatically selecting range bins adjacent to the target's range bin and comparing their output signals. Antenna stabilization is accomplished utilizing signals from vehicle pitch, roll, and yaw rate sensors, and antenna elevation and azimuth rate and angle sensors. These signals are processed in the antenna control circuit according to predetermined relationships to provide the desired antenna stabilization.
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Garrard John T.
Gregg Jack E.
Roeder Robert S.
Sperry Corporation
Terry Howard P.
Tubbesing T. H.
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