Importance

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Abstract

A high-temperature sensing system for sensing at least one parameter of interest within a high-temperature environment is provided. The system includes a substrate having at least one electrical network disposed thereon. Each of the at least one electrical network is a tuned circuit having a resonant frequency, and a temperature sensitive electrical component that varies the resonant behavior of the tuned circuit with a parameter of interest. An antenna is disposed to interact with the at least one electrical network. Transmit/receive electronics are spaced from the high-temperature environment and coupled to the antenna. The transmit/receive electronics are configured to generated selected drive signals to address each of the at least one electrical network and to detect a modulated radio-frequency reflection. A processor is coupled to the transmit/receive electronics and configured to calculate a parameter of interest for each detected modulated radio-frequency reflection.

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First Claim