Ultrasonic detection system maintains shields between...

Details Ultrasonic detection system maintains shields between... Ultrasonic detection system maintains shields between...

G - Physics

01

S

349/25

G01S 3/86 (2006.01) G01S 15/89 (2006.01)

Patent

CA 1116739

Abstract of the Disclosure An ultrasonic detection system uses an array of ultrasonic transducers that are uniformly closely disposed relative to each other so that their active surfaces for transmission (and reception) are maintained on a straight or curved line. These transducers form radiation (and reception) beams each in a specific direction. Beam orientation is accomplished by selecting a group of transducers from the array and applying appropriate phase-shifts to the signals transmitted to each transducer or to the signals received from each transducer. Shields are maintained between adjacent pairs of transducers for suppression of sidelobes in the beam pattern.

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