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首页> 外文期刊>IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control >Performance evaluation of algorithms for SAW-based temperature measurement
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Performance evaluation of algorithms for SAW-based temperature measurement

机译：基于声表面波的温度测量算法的性能评估

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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.
机译：每当苛刻的环境条件（例如高温，加速，辐射等）禁止使用标准温度传感器时，基于表面声波的温度传感器都是进行高度可靠的无线温度测量的首选。对这些传感器的询问通常基于调频或频率步进连续波雷达（FMCW / FSCW）。我们研究关于其可达到的温度精度及其在实践中的适用性的已知算法。此外，还提供了一些通用的经验法则，用于借助Cramer-Rao下界（CRLB）进行频率和相位估计的基于FMCW / FSCW雷达的距离估计。理论结果在模拟和测量数据上均得到验证。

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