Channel formation system for panoramic sonars

Details Channel formation system for panoramic sonars Channel formation system for panoramic sonars

G - Physics

01

S

349/25

G01S 15/02 (2006.01) G01S 7/526 (2006.01) G10K 11/34 (2006.01)

Patent

CA 1198202

A CHANNEL FORMATION SYSTEM FOR PANORAMIC SONARS Abstract of the Disclosure In a panoramic sonar for underwater detection, a channel formation device supplies channels sequentially over 360° from a circular base of N receiving transducers, one channel being formed from M transducers. The signals received by the N transducers are multiplexed and applied to two subassemblies. One subassembly is composed of shift registers corresponding to N and N-1 cells (CN, CN-1) and the other subassembly is composed of shift registers corre- sponding to N and N+1 cells (CN, CN+1). Taps on the sub- assemblies make it possible to obtain the delayed signals corresponding to the M receiving transducers. The signals are summated and applied sequentially to the channels.

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