USA as Represented by Secretary of the Navy

Rick H Charette

Michael J Sullivan

Douglas G Dussault

David J Blue

Ryan T Moore

Bonnie E Wardle

Ray E D'Addio

A method for evaluating a sensor array includes providing software having the sensor array topology, relating array elements to hardware components. Data from the array elements is collected and evaluated to determine operative components. Displays of the determinations are generated allowing a user to diagnose sensor array failures. Other aspects of the invention provide for automatic array failure diagnosis and improvement of sensor array directivity. An additional aspect provides a system for evaluating a sensor array incorporating a computer with a database and a display.

Sensor array evaluation tool and method

Apparatus for imaging an object underwater. A detector array of operationally independent transducers is deployed in a medium such as water. Each transducer generates an electrical signal across independent first and second electrodes corresponding to impinging acoustic energy. Each of the positions in the detector array is identified in sequence along with the identification of a corresponding pixel position or display position in a display structure. A first multiplexer connects to all the first electrodes and a second multiplexer connects to all the second electrodes to enable the identification circuit to select corresponding electrodes for each detector position. A single amplifier circuit couples the signals from the multiplexer to a circuit for controlling the illumination of a selected display position.

Apparatus for producing images acoustically

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Narragansett, RI, United States of America

Rick H Charette