Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Iff or sif
Patent
1983-09-30
1987-03-17
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
Iff or sif
G01S 1380
Patent
active
046511580
ABSTRACT:
A multichannel DME ranging circuit is described which is capable of simultaneous multistation operation. A microprocessor is coupled to control associated peripheral devices and the receiver/transmitter of a DME to produce a multiplexing for receiving frequency data input from up to three DME ground stations. The data received from each of the three DME stations is used to generate timing and interface signals to control the DME receiver/transmitter and associated video processing circuitry. The video processing circuitry is in turn used to provide signals to the ranging circuit to independently determine range, velocity, time-to-station, and the identity of each of the stations providing input to the DME. Each of the three channels is constructed so that it may operate independently of the others to produce rapid acquisition, search, track and identification of each of the particular ground stations to be monitored.
REFERENCES:
patent: 3801979 (1974-04-01), Chisholm
patent: 3821523 (1974-06-01), Chisholm et al.
patent: 3975731 (1976-08-01), Latham et al.
patent: 4032756 (1977-06-01), Jezo
patent: 4041486 (1977-08-01), Hussain
Greenberg Howard R.
Hamann H. Fredrick
Hellner Mark
Mayes Robert C.
Rockwell International Corporation
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