Towed Array with Non-Acoustic Sensor Module
Patent, Filed 21 Jan 97, patented 21 Jul 98,
DEPARTMENT OF THE NAVY WASHINGTON DC
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A towed array includes an array of N hydrophone groups and one or more non-acoustic sensor modules structurally connected in-line with the array of hydrophone groups. The hydrophone groups and non-acoustic sensor modules are coupled to a common data transmission line. Each of the hydrophone groups defines a portion of an acoustic aperture occupying a specified length of the towed array. Each non-acoustic sensor module has a length that is n times the specified length where n is a whole number multiple of the total number of hydrophone groups.