Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Patent
1997-12-05
1998-06-23
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
342154, 342157, H01Q 322, H01Q 324, H01Q 326
Patent
active
057710163
ABSTRACT:
In a phased array radar, simultaneous beam steering and single-sideband mlation is accomplished in the phase shifters in response to phase control signals produced by the beam steering controller and input to the phase shifters. The beam steering controller produces the phase control signals from a pre-selected beam steering angle, a pre-selected radar intermediate frequency and a voltage representing the frequency error from incomplete compensation of the target motion (doppler) of the previous cycle of the radar. Using the phase shifters thusly eliminates the need for an expensive separate component, the single sideband modulator.
REFERENCES:
patent: 5592178 (1997-01-01), Chang et al.
patent: 5623270 (1997-04-01), Kempkes et al.
Christian Michael R.
Halladay Ralph H.
Mullins James H.
Blum Theodore M.
Chang Hay Kyung
The United States of America as represented by the Secretary of
Tischer Arthur H.
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