Pulse or digital communications – Repeaters – Testing
Patent
1993-02-24
1994-02-08
Cangialosi, Salvatore
Pulse or digital communications
Repeaters
Testing
H04K 100, H04L 2730
Patent
active
052854728
ABSTRACT:
A system which receives a pseudonoise sequence signal quantizes the signal during a fixed interval of time and passes the quantized signal to a plurality of correlation channels. Each of the correlation channels rotates the incoming phase modulation at a different fixed rate to cancel out a corresponding component of offset frequency. The outputs of the correlation channels are examined to determine whether acceptable correlation has been attained and, if so, which channel provides the best frequency compensation.
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patent: 5179573 (1993-01-01), Paradise
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Fred E. Nathanson, Radar Design Principles, pp. 421-423, McGraw-Hill, 1969.
J. B. Thomas et al., Counterrotator and Correlator for GPS Receivers, NASA TECH BRIEF, vol. 13, No. 6, Item #148, Jet Propulsion Laboratory, Jun. 1989.
T. K. Meehan et al., Chip Advancer for GPS Receiver, NASA TECH BRIEF, vol. 13, No. 6, Item #147, Jet Propulsion Laboratory, Jun. 1989.
Leonard Jay F.
Paradise Ronald Y.
Cangialosi Salvatore
Davis David L.
GEC-Marconi Electronic Systems Corp.
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