Performance evaluation of algorithms for SAW-based temperature measurement

被引：46

作者：

Schuster, Stefan ^{[1
]}

Scheiblhofer, Stefan

Reindl, Leonhard

Stelzer, Andreas

机构：

[1] Johannes Kepler Univ Linz, Inst Commun & Informat Engn, A-4040 Linz, Austria

[2] Univ Freiburg, IMTEK, D-79110 Freiburg, Germany

来源：

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2006年 / 53卷 / 06期

关键词：

D O I：

10.1109/TUFFC.2006.1642516

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Whenever harsh environmental conditions such as high temperatures, accelerations, radiation, etc., prohibit usage of standard temperature sensors, surface acoustic wave-based temperature sensors are the first choice for highly reliable wireless temperature measurement. Interrogation of these sensors is often based on frequency modulated or frequency stepped continuous wave-based radars (FMCW/FSCW). We investigate known algorithms regarding their achievable temperature accuracy and their applicability in practice. Furthermore, some general rules of thumb for FMCW/FSCW radar-based range estimation by means of the Cramer-Rao lower bound (CRLB) for frequency and phase estimation are provided. The theoretical results are verified on both simulated and measured data.

引用

页码：1177 / 1185

页数：9

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