Digital monopulse

Details Digital monopulse Digital monopulse

1993-07-02

1994-05-24

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Testing or calibrating of radar system

342174, 342151, G01S 740

Patent

active

053153049

ABSTRACT:
A digitally formed monopulse radar employing dynamic real-time calibration uring operation. The invention has a transmitter section, timing circuit, RF section, IF section, in-phase and quadrature section and a digital signal processor. A portion of the transmit signal is diverted from the transmitter section for preparation of calibration factors during the calibration period between receive signals. The calibration factors prepared by the digital signal processor are applied by the processor to antenna received signals during the receive mode and to produce the corrected sum and delta pitch, and delta yaw signals and the tracking errors .epsilon..sub.y and .epsilon..sub.p.

REFERENCES:
patent: 3794998 (1974-02-01), Pearson, Jr. et al.
patent: 3921173 (1975-11-01), Thomson
patent: 4646093 (1987-02-01), Postema et al.
patent: 4994810 (1991-02-01), Sinsky
patent: 5070336 (1991-12-01), Pringle
patent: 5241316 (1993-08-01), Pringle

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