Array Processing That Uses a Normal-Mode Model for Signal Representation

Array Processing That Uses a Normal-Mode Model for Signal Representation

A signal processing procedure is designed for a hypothetical low frequency sonar array. The design process is based upon the normal mode expansion of the signal field. Unusual problems associated with this expansion are discussed and some useful simplifications are found. Basic array processing form...

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Bibliographische Detailangaben
1. Verfasser: Edelblute, David J
Format: Report
Sprache:eng
Schlagworte:
Acoustic Detection and Detectors
AND BEAM FORMING
ARRAYS
BEAM FORMING
EXPANSION
FORMULATIONS
LOW FREQUENCY
NORMALITY
PE62314N
PROCESSING
RAY PROCESSING
SIGNAL PROCESSING
SIGNALS
SONAR ARRAYS
WAVEFRONTS
WUDN308291
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Beschreibung
Zusammenfassung:A signal processing procedure is designed for a hypothetical low frequency sonar array. The design process is based upon the normal mode expansion of the signal field. Unusual problems associated with this expansion are discussed and some useful simplifications are found. Basic array processing formulations are redeveloped to accommodate the possibility of a signal field which is a superposition of known wave fronts.