Receiver-transmitter for a target identification system

Details Receiver-transmitter for a target identification system Receiver-transmitter for a target identification system

1993-03-26

1994-10-04

Buczinski, Stpehen C.

Optics: measuring and testing

Velocity or velocity/height measuring

With light detector

73657, 356349, G01P 336, G01B 902

Patent

active

053531094

ABSTRACT:
A receiver-transmitter for a target identification system having a particular but not necessarily an exclusive application for the identification of aircraft which utilizes laser vibrometry and a coherent array receiver including an array of photodetectors adapted to receive signals from different parts of the target and to use a corresponding array of frequency-offset reference beams to provide coherent detection of each of the received signals.

REFERENCES:
patent: 3746454 (1973-07-01), Pace et al.
patent: 4020340 (1977-04-01), Cooke
patent: 4193088 (1980-03-01), Moran
patent: 4195221 (1980-03-01), Moran
patent: 4515472 (1985-05-01), Welch
patent: 4707698 (1987-11-01), Constant
patent: 4887310 (1989-12-01), Meyzonnette et al.
patent: 4906092 (1990-03-01), O'Meara
patent: 5042922 (1991-08-01), Pepper
patent: 5200793 (1993-04-01), Ulich et al.
Optical Engineering, vol. 20, No. 6, Nov., 1981, pp. 976-980, "Dual Active/Passive Infrared Imaging Systems", R. C. Harney.

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