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23:59 Dec 17, 2020 |
English to Polish translations [PRO] Tech/Engineering - Physics / backscatter | |||||
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| Selected response from: Frank Szmulowicz, Ph. D. United States Local time: 04:59 | ||||
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2 | tłumione dzwonienie / tłumiona oscylacja sygnału |
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tłumione dzwonienie / tłumiona oscylacja sygnału Explanation: The long duration of the echo from the mote indicates transducer ringing despite a damping backing layer. This is a ringing signal that is attenuated at the same time, which is why the author may have used the term ring-down. cccccccccccc The metalized polyester film 324 can provide a common ground and acoustic matching for the transducers, while the absorptive backing layer 326 (such as tungsten powder filled polyurethane) can reduce ringing of the individual transducers. The long duration of the echo from the mote indicates transducer ringing despite a damping backing layer https://patents.google.com/patent/WO2018009910A1/en Methods for reducing ringing of ultrasonic transducers As a result, residual electrical oscillations at the transducer terminals deteriorate and mask weak received signals. This is known as ringing and is similar to the sound that a bell continues to emit after it has been struck. https://patents.google.com/patent/WO2018009910A1/en |
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