Wireless identification and sensing using surface acoustic wave devices

被引：35
作者：
Springer, A [1 ]
Weigel, R
Pohl, A
Seifert, F
机构：
[1] Univ Linz, Inst Commun & Informat Sci, A-4040 Linz, Austria
[2] Vienna Univ Technol, Appl Elect Lab, A-1060 Vienna, Austria
来源：
MECHATRONICS | 1999年 / 9卷 / 07期
关键词：
Surface Acoustic Wave; sensor; identification; wireless;
D O I：
10.1016/S0957-4158(99)00030-6
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Today Surface Acoustic Wave (SAW) devices are used in many electronic products, e.g. as filters in communications applications or for signal processing in radar systems. Due to the dependence of the propagation characteristic of the microacoustic wave on many physical parameters (e.g. temperature or strain) it is possible to build SAW sensors for a great variety of physical, chemical and biological parameters. SAW sensors are not only small, rugged and show small aging rates, they also can be used as wirelessly interrogable and completely passive sensors for many hostile environments. In this contribution the SAW device principles, design procedures and technological issues as well as examples of their use in certain measurement and identification applications are reviewed. (C) 1999 Elsevier Science Ltd. All rights reserved.
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收藏
页码：745 / 756
页数：12
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