Response of a focused transducer facing a rigid reflector | Zendy

M. Manley | Zendy; Nelson N. Hsu | Zendy

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Response of a focused transducer facing a rigid reflector

Author(s) -

M. Manley,

Nelson N. Hsu

Publication year - 1995

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.413178

Subject(s) - transducer , diffraction , reflector (photography) , acoustics , plane (geometry) , optics , coupling (piping) , physics , materials science , mathematics , geometry , light source , metallurgy

Foeused ultrasonie transdueers ean be useful in material eharaeterization and tissue property measurement beeause of the improved signal to noise ratio as eompared to flat transdueers. To fully understand the transdueer output, it is useful to know the system transfer funetion or impulse response of a foeused transdueer first aeting as a transmitter and then reeeiving the signal refleeted off a rigid plane. The resulting reeeived pressure of a pulse-eeho system ean also be eharaeterized in terms of a diffraetion eorreetion faetor. The determination of the im pulse response or diffraetion eorreetion faetor is weil understood for flat disk transdueers, but is more eomplex for foeused transdueers.

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