1
John L Spiesberger: Ocean acoustic tomography. Woods Hole Oceanographic Institution, Norman E Brunell, November 25, 1997: US05691957 (49 worldwide citation)

An acoustic tomography telemetry system and method allowing spatially averaged ocean temperatures to be measured in real-time. The system includes autonomous acoustic sources mounted on subsurface moorings and receivers that are either suspended from drifting surface buoys or cabled to shore. The te ...


2
John L Spiesberger: Acoustic mapping system using tomographic reconstruction. Woods Hole Oceanographic Institute, Norman E Brunell, February 19, 1991: US04995011 (28 worldwide citation)

A technique for the non-intrusive position determination of one or more natural or artificial acoustic transmitters (S1, S2, S3) in marine or terrestrial environments by processing data from five or more receivers (R1, R2, R3, R4, R5) distributed in the area. The data processing includes cross corre ...


3
John L Spiesberger: Utilization of auto and cross-correlation functions in methods for locating a source of a primary signal and for localizing signals. Scientific Innovations, December 12, 2000: US06160758 (25 worldwide citation)

A method of localizing signals utilizing auto-correlation functions and cross correlation functions includes: collecting data at a plurality of input channels; filtering the data collected from the plurality of input channels in order to identify a primary signal; identifying at least two lags and a ...



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