Modulators – Amplitude modulator – Nonlinear device controlled by modulating signal
Patent
1988-02-12
1989-08-29
Moskowitz, Nelson
Modulators
Amplitude modulator
Nonlinear device controlled by modulating signal
364822, 367123, G06G 900, G01S 1358, H01J 4014
Patent
active
048621153
ABSTRACT:
Disclosed as a beamforming system, particularly useful for seismic exploration or undersea surveillance, in which data processing of the system is done optically. Sensor outputs are subjected to plural sets of time delays, and the system beams formed optically. Four embodiments are presented of the optical processing hardware.
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Athale Ravindra A.
Lee John N.
Rolsma Peter B.
McDonnell Thomas E.
Miles Edward F.
Moskowitz Nelson
The United states of America as represented by the Secretary of
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