Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver
Patent
1984-05-29
1987-09-22
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Beacon or receiver
G01S 508
Patent
active
046958436
ABSTRACT:
The present invention relates to a method and a receiver for radionavigation, said receiver comprising a single filter mounted downstream of a mixer and adapted to allow the passage of the composite signal formed by the superposition of the signals of lower frequency at the output of the mixer, a sampler intended to sample the composite signal filtered at a predtermined frequency (f.sub.e), a unit intended to produce by a frequency analysis operation a series of signals including the same frequency components as the composite signal and means adapted to establish the phases and, if appropriate, the amplitude of the signals produced in the receiver by correlating these signals with the samples obtained from the sampler.
REFERENCES:
patent: 3936763 (1976-02-01), Palmer
patent: 4015262 (1977-03-01), Etcheverry et al.
patent: 4138680 (1979-02-01), Delorme et al.
"Sampling Network Analyzer for Periodic Functions", Wescon Conference Record, vol. 25, 9/81, pp. 1-7.
"Phasemeter Large Bande a Detection . . . ", L'Onde Electrique, vol. 55, No. 6, Jun., 1985, pp. 341-346.
"Les Radionavigateurs RANA", L'Onde Elecrique, vol. 33, No. 314, May, 1953, pp. 319-327.
Blum Theodore M.
Hellner Mack
MLR Electronic
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