Communications: directive radio wave systems and devices (e.g. – Determining direction – Scanning
Patent
1991-01-29
1992-07-14
Barron, Jr., Gilberto
Communications: directive radio wave systems and devices (e.g.,
Determining direction
Scanning
342 81, 342 96, G01S 1366
Patent
active
051307154
ABSTRACT:
A method of managing beams transmitted and received by a plurality of phased array antennas. In a search mode, the phased array antennas transmit searching pulses synchronously in a search mode. In a tracking mode, targets tracked by the phased array antennas are divided to a plurality of groups on the basis of pulsed repetition rate. Then, for the respective divided groups, transmission timings of tracking pulses to be sent form the phased array antennas are calculated by using ranges of the targets belonging to the respective groups so that transmission and reception operations do not occur simultaneously, thereby enabling the simultaneous usage of the phased array antennas.
REFERENCES:
patent: 4720711 (1988-01-01), Quesinberry et al.
patent: 4724438 (1988-02-01), Arnold et al.
Farina et al, "Multitarget Interleaved Tracking for Phased-Array Radar", IEEE PROC vol. 127, Pt. F., No. 4, Aug. 80 pp. 312-318.
Billeter, "Efficient Radar Control", Microwave Journal, Jan. 1986, pp. 147-157.
Mulle, "A Radar Phased Array Primer", RCA Engineer, 31-5, Sep. 1986, pp. 70-76.
Barron Jr. Gilberto
Mitsubishi Denki & Kabushiki Kaisha
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