Low-Power Ultrasonic Front End for Cargo Container Monitoring.

José María Algueta-Miguel,José Ramón García Oya,Antonio J. López-Martín,Carlos Aristoteles De la Cruz-Blas,Fernando Muñoz Chavero,Eduardo Hidalgo Fort

IEEE Transactions on Instrumentation and Measurement（2020）

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摘要

A low-power ultrasonic communication front end conceived for cargo container monitoring is presented. Two piezoelectric transducers (PTs) operating at 40 kHz are fixed to the metallic wall by means of a customized magnetic case, allowing a noninvasive inside-outside communication preserving the container integrity. Once the resulting ultrasonic channel is characterized, an experimental measurement...

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关键词

Containers,Transducers,Acoustics,Modulation,Monitoring,Magnetic separation,Bit error rate

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