Method of and device for removing range ambiguity in a pulse-dop

Details Method of and device for removing range ambiguity in a pulse-dop Method of and device for removing range ambiguity in a pulse-dop

1982-05-06

1988-05-24

Tubbesing, T. H.

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

Return signal controls radar system

Transmitter

342109, 342137, G01S 1312

Patent

active

047469226

ABSTRACT:
This invention relates to a method of and a device for removing range ambiguity in a pulse Doppler radar and to a radar including such a device especially for missile guidance. On tracking operation at a high pulse repetition frequency the method consists in switching the repetition frequency f.sub.R (k) for each time interval .DELTA.t, over a new value f.sub.R (k+1) obtained in a circuit from the measured ambiguous range y(k) and from the ambiguity number n(k), as estimated in a circuit from radar information supplied by the radar, in order to remove eclipsing, to maintain the ambiguity number constant and to estimate the range with a growing accuracy in the course of the tracking operation.

REFERENCES:
patent: 3935572 (1976-01-01), Broniwitz et al.
patent: 4064510 (1977-12-01), Chabah
patent: 4106019 (1978-08-01), Alexander et al.
patent: 4143373 (1979-03-01), Chernick

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