Piezoelectric transceiver matching for multiple frequencies

  title={Piezoelectric transceiver matching for multiple frequencies},
  author={Alexander Ens and Leonhard M. Reindl},
Robust data transmission over long ranges with standard ultrasound devices is a challenge. Ultrasound indoor positioning systems in particular require long ranges and a robust data communication link. Fundamentally, a piezoelectric transducer has a narrow bandwidth for high sound pressure level and efficiency and is not suitable for broad-band applications. Moreover, ultrasound attenuation in the air increases quadratically within frequency, and thus ultrasound localization systems are… CONTINUE READING
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