Multi-dimensional data processing and display

Details Multi-dimensional data processing and display Multi-dimensional data processing and display

1990-12-14

1992-12-29

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Receiver circuitry

H04B 106

Patent

active

051757109

ABSTRACT:
A multi-dimensional processing and display system is used with a sonar tracking system to monitor ocean-going vessels. The system arranges data in a three-dimensional matrix, which is then reformatted into a two-dimensional matrix. The two-dimensional matrix is decomposed into singular vectors and singular values. Certain data elements in the two-dimensional matrix are enhanced or diminished by modifying selected angular values. A history database is maintained by saving certain of the singular vectors, which is concatenated with the two-dimensional matrix. An enhanced two-dimensional matrix is generated by multiplying the two-dimensional concatenated matrix by the modified singular values and the singular vectors. After data enhancement, the two-dimensional enhanced matrix is reformatted back into a three-dimensional matrix. All or portions of the enhanced three-dimensional matrix can then be displayed.

REFERENCES:
patent: 3894348 (1975-07-01), Fontaine
patent: 4736199 (1988-04-01), Chadwick et al.
Schmidt, "Multiple Emitter Location and Signal Parameter Estimation", Mar. 1986.
Carroll et al., "Models and Methods for Three-way Multidimensional Scaling", 1974.
Owsley, "Enhanced Minimum Variance Beamforming", Nov. 1988.
Marple, "Digital Spectral Analysis", 1987.
Kung, "Warp Demo", Aug. 1986.
Comon, "An Array Processing Technique Using the First Principal Component", 1988.

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