Temperature distribution monitoring using ultrasonic thermometry based on markov radial basis function approximation and singular values decomposition

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Abstract

Information about temperature distribution is complex but of critical importance for the control of various microwave applications. In this paper, an innovative way of temperature distribution monitoring using ultrasonic thermometry in microwave field is investigated. The principle of ultrasonic thermometry in the situation of ideal gas is elaborated, and reconstruction algorithm based on Markov radial basis function approximation and singular values decomposition is presented and described in detail. In order to validate the performance of temperature distribution reconstruction of our presented algorithm, four two-dimensional temperature distribution models with different complexities are utilized in simulation experiments. Especially, simulation experiments taking error of measurement into account are studied to verify the robustness. Figure profiles show remarkable correspondence between the reconstructed ones and their models, while quantitative analysis, including the overall temperature error analysis and the hotspot positioning analysis, shows that different kinds of errors calculated are all within the limit ranges. In addition, the time analysis of simulation experiments also demonstrates its well real-time capability. © 2014 Xuehua Shen et al.

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Shen, X., Xiong, Q., Shi, W., Wang, K., & Lai, G. (2014). Temperature distribution monitoring using ultrasonic thermometry based on markov radial basis function approximation and singular values decomposition. Mathematical Problems in Engineering, 2014. https://doi.org/10.1155/2014/835619

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