Signal processing device for acoustic transducer array

Details Signal processing device for acoustic transducer array Signal processing device for acoustic transducer array

2008-01-15

2008-01-15

Pihulic, Daniel (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Transmitter systems

With beam forming, shaping, steering, or scanning

C381S018000

Reexamination Certificate

active

07319641

ABSTRACT:
The invention provides transducer arrays which are capable of outputting sound beams having a relatively constant width, and with minimal sidelobes, across a range of frequencies. This is achieved by utilising one or more digital signal modifiers within the signal path between the input sound signal and the array of transducers. Variable window functions are also disclosed.

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