Optical Interarray Processing.
Abstract
The objective of this contract was to design, fabricate, and test an optical processor to perform an ambiguity function to detect relative time delay and frequency shift between a pair of passive sonar receivers. The optical architecture used in this program is the unique linear phase shifter (LIPS) architecture which was developed at Honeywell. The support electronics for the optical processor were designed around a PDP-11/23 minicomputer. The PDP-11/23 controls the functions of the optical processor, stores input and output data, and provides I/O to an outside Host computer. Real sonar data on synthetic calibration data were processed to demonstrate the functionality of the system. Overall, the objectives of this program were completed. The result of this program was the development of an optical processing system capable of supporting different optical architectures or processing scenarios. Using a minicomputer controller gives the system the required flexibility to handle different tasks. The LIPS optical architecture used for this program is capable of running at 500 frames/seconds if it were not I/O limited at the detector output. This rate corresponds to approximately a 10 giga-multiply/adds per second processing rate. The electronic I/O limited the processing rate to approximately 5 frames/second.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 07, 1985
- Accession Number
- ADA160256
Entities
People
- P. R. Haugen
Organizations
- Honeywell International, Inc.