An acoustic transducer system for long-d
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J.A. Gallego-JuΓ‘rez; G. Rodriguez; J.L. San Emeterio; P.T. Sanz; J.C. LΓ‘zaro
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Article
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1993
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Elsevier Science
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English
β 558 KB
Transducers for long-distance pulse-echo rangmg apphcauons should combme bgh efficacy and directwity with a relatively wide bandwdth Smce the air has a very low acoustic impedance, the effinent transnusslon of sound from a sohd transducer 1s one of the major problems A means to improve the impedance