Test apparatus in a radar system

Details Test apparatus in a radar system Test apparatus in a radar system

1986-03-06

1987-06-16

Tarcza, Thomas H.

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

Testing or calibrating of radar system

By monitoring

G01S 740

Patent

active

046739394

ABSTRACT:
A test apparatus for the reception channels, e.g. in a doppler radar system with electrically controlled aerial elements (A1-An). Behind each aerial element there are optical detectors (O1-On) arranged for receiving an optical signal from the system transmitter and converting it to an RF signal. The latter is sent to the transmitter-receiver modules (M1-Mn) of the system and further to a detection-measurement unit (3). The measurement unit evaluates the different modules (M1-Mn) with relation to amplitude and phase of the test signal, and sends correction signals to the modules in response to the evaluation. The apparatus can also be utilized for testing the system transmission channels.

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Frappe et al., "Liaisons Optiques Appliquees aux Antennes a Balayage Electronique"; Revue Technique Thomson CSF, (vol. 14, No. 2; 6/82; pp. 475-483).
Psaltis et al., "Iterative Optical Processor (IOP) for Adaptive Phased Array Radar Processing"; Conf. Procs. of the Soc. of Photo-Optical Instr. Engs. (1979); pp. 114-119.

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