Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1979-09-26
1981-03-24
Hubler, Malcolm F.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
G01S 1370
Patent
active
042583624
ABSTRACT:
A tracker for predicting the occurrence of an arbitrary number of phase coherent signals comprising a signal train, which predicts the phase and pulse repetition intervals for each individual signal and which maintains phase coherence of all signals provided at least one signal is present. A multiplexing system permits tracking of a multiple of phase coherent signal trains by successively connecting a series of tracker channel memories with the phase and pulse repetition interval error correction circuitry required for a single tracker. Each channel maintains phase coherency for all signals of its associated signal train while at least one signal of the train is present.
REFERENCES:
patent: 3354455 (1967-11-01), Briggs et al.
patent: 3881101 (1975-04-01), Pederson et al.
patent: 3900850 (1975-08-01), Ulman et al.
patent: 3936823 (1976-02-01), Weber
patent: 4040054 (1977-08-01), Overman
Brown Joel E.
Overman Kelly C.
Hubler Malcolm F.
Westinghouse Electric Corp.
Zitelli W. E.
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