(19)
(11) EP 0 316 433 A1

(12)

(43) Date of publication:
24.05.1989 Bulletin 1989/21

(21) Application number: 88905491.0

(22) Date of filing: 18.05.1988
(51) International Patent Classification (IPC): 
G01S 7/ 523( . )
G10K 11/ 34( . )
(86) International application number:
PCT/US1988/001671
(87) International publication number:
WO 1988/009548 (01.12.1988 Gazette 1988/26)
(84) Designated Contracting States:
DE FR GB SE

(30) Priority: 21.05.1987 US 19870052813

(71) Applicant: Hughes Aircraft Company
Los Angeles California 90045-0066 (US)

(72) Inventor:
  • REED, Frank, A.
    Yorba Linda, CA 92686 (US)

(74) Representative: Colgan, Stephen James, et al 
CARPMAELS & RANSFORD 43 Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)

   


(54) DELAY QUANTIZATION TECHNIQUE TO REDUCE STEERING ERRORS IN DIGITAL BEAMFORMERS