A multi-resolution wireless force sensing system based upon a passive SAW device

Referring to the technology of SAW wireless identification systems, a multi-resolution wireless force sensing system, including a passive time-delay SAW device and a specific interrogation unit, is introduced in this paper. Using an IDT, which connects with an antenna, as the force sensing element i...

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Veröffentlicht in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control. - 1999. - 48(2001), 5 vom: 17. Sept., Seite 1438-41
1. Verfasser: Cheng, W (VerfasserIn)
Weitere Verfasser: Dong, Y, Feng, G
Format: Aufsatz
Sprache:English
Veröffentlicht: 2001
Zugriff auf das übergeordnete Werk:IEEE transactions on ultrasonics, ferroelectrics, and frequency control
Schlagworte:Journal Article
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520 |a Referring to the technology of SAW wireless identification systems, a multi-resolution wireless force sensing system, including a passive time-delay SAW device and a specific interrogation unit, is introduced in this paper. Using an IDT, which connects with an antenna, as the force sensing element is a design to transduce the electromagnetic wave into surface acoustic wave and vice versa. Several reflectors are designed to get multi-resolution. Sample/hold devices are used instead of high-speed A/D converter to construct a low-cost interrogation system. Properties of the sensing system are theoretically predicted and experimentally verified 
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700 1 |a Feng, G  |e verfasserin  |4 aut 
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