| 21. | For example, a microphone converts an acoustic signal to a voltage waveform, and a speaker does the reverse.
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| 22. | The system is reversible : when the tip follows the furrow the membrane restores the original acoustic signal.
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| 23. | Particularly, the early April acoustic signals that were detected by " Ocean Shield " were publicized and described.
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| 24. | In several species of " Hypocnemis " antbirds, acoustic signals function in both intrasexual competition and mate choice.
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| 25. | Over the years dust detectors have measured, among others, the impact light flash, acoustic signal and impact ionisation.
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| 26. | Later versions of the AQS-13 were also capable of processing acoustic signals transmitted to the aircraft from sonobuoys.
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| 27. | A major thread in Robinson's work focuses on new developments in software-based computer music and electro-acoustic signal processing.
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| 28. | Studies suggest caterpillar acoustic signals are used to enhance their symbioses with ants ( see singing caterpillars ).
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| 29. | Before defecting in 1990, Donskoy helped the Soviets develop a way to detect submarines through acoustic signals, he said.
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| 30. | The interrogator transmits an acoustic signal that is received by the baseline transponders ( B, C, D, E ).
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