This paper presents a wireless ultrasound sensor that uses frequency conversion to convert the ultrasound signal to a microwave signal and transmit it directly without digitization. Constructed from a few passive microwave components, the sensor is able to sense, modulate, and transmit the full waveform of ultrasound signals wirelessly without requiring any local power source. The principle of operation of the unpowered wireless ultrasound sensor is described first. Implementation of the sensor and the sensor interrogation unit using commercially-available antennas and microwave components is described in detail. Validation of the sensing system using an ultrasound pitch-catch system and the power analysis model of the system are also presented.
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ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 28–October 1, 2010
Philadelphia, Pennsylvania, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4416-8
PROCEEDINGS PAPER
Unpowered Wireless Ultrasound Sensor
Daniel Paramo,
Daniel Paramo
University of Texas at Arlington, Arlington, TX
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Haiying Huang
Haiying Huang
University of Texas at Arlington, Arlington, TX
Search for other works by this author on:
Daniel Paramo
University of Texas at Arlington, Arlington, TX
Haiying Huang
University of Texas at Arlington, Arlington, TX
Paper No:
SMASIS2010-3745, pp. 627-631; 5 pages
Published Online:
April 4, 2011
Citation
Paramo, D, & Huang, H. "Unpowered Wireless Ultrasound Sensor." Proceedings of the ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2. Philadelphia, Pennsylvania, USA. September 28–October 1, 2010. pp. 627-631. ASME. https://doi.org/10.1115/SMASIS2010-3745
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