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  2. Electromagnetic acoustic transducer - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_acoustic...

    Using EMAT, the requirements to surface smoothness are less stringent; the only requirement is to remove loose scale and the like. Easier for sensor deployment. Using piezoelectric transducer, the wave propagation angle in the test part is affected by Snell's law. As a result, a small variation in sensor deployment may cause a significant ...

  3. Transducer - Wikipedia

    en.wikipedia.org/wiki/Transducer

    A transducer is a device that converts energy from one form to another. Usually a transducer converts a signal in one form of energy to a signal in another. [1] Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities (energy, force, torque, light, motion, position, etc.).

  4. Finite-state transducer - Wikipedia

    en.wikipedia.org/wiki/Finite-state_transducer

    A finite-state transducer (FST) is a finite-state machine with two memory tapes, following the terminology for Turing machines: an input tape and an output tape. This contrasts with an ordinary finite-state automaton , which has a single tape.

  5. Signal conditioning - Wikipedia

    en.wikipedia.org/wiki/Signal_conditioning

    In electronics and signal processing, signal conditioning is the manipulation of an analog signal in such a way that it meets the requirements of the next stage for further processing. In an analog-to-digital converter (ADC) application, signal conditioning includes voltage or current limiting and anti-aliasing filtering .

  6. US weekly jobless claims fall; third-quarter GDP growth ...

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    The economy grew at a 3.0% pace in the April-June quarter. It is expanding at a pace that is well above what Fed officials regard as the non-inflationary growth rate of around 1.8%.

  7. Despairing Syrians search notorious Sednaya prison for ...

    www.aol.com/news/despairing-syrians-search...

    As families desperately scoured the filthy cells of Syria's forbidding Sednaya prison on Monday for any sign of long-detained relatives after its gates were flung open by rebels, hope for finding ...

  8. Man with crocodile skull in luggage arrested at Delhi airport

    www.aol.com/man-crocodile-skull-luggage-arrested...

    A Canadian man has been arrested by Indian authorities at the New Delhi’s airport after a crocodile skull was found in his luggage.

  9. Bandwidth (signal processing) - Wikipedia

    en.wikipedia.org/wiki/Bandwidth_(signal_processing)

    The 3 dB bandwidth of an electronic filter or communication channel is the part of the system's frequency response that lies within 3 dB of the response at its peak, which, in the passband filter case, is typically at or near its center frequency, and in the low-pass filter is at or near its cutoff frequency. If the maximum gain is 0 dB, the 3 ...