We propose a new approach to forming an estimate of a target track in a distributed sensor system using very limited sensor information. This approach uses a central fusion system that collects only the peak energy information from each sensor and assumes that the energy attenuates as a power law in range from the source. A geometrical invariance property of the proximity of the distributed sensors relative to a target track is used to generate potential target track paths. Numerical simulation examples are presented to illustrate the practicality of the technique.
Approaches for portable deep water acoustic tracking systems are considered, and a b e s t approach i s recommended. Two proposed systems, a bottom mounted beacon system and a bottom mounted transponder system, are described.
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