[射频]SAW-based redio sensor systems for short-range applications - Microwave Magazine, IEEE

SAW-based redio sensor systems for short-range applications - Microwave Magazine, IEEE "N/K*  
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Wireless autonomous surface |2&mvjk@H  
acoustic wave (SAW) sensors offer >E,L"&_j  
high flexibility for modern sensor ;WAu]C|  
systems. Because no battery or rMFZ#38d  
wiring is required for power-supply awW\$Q  
and communication tasks, they can be advantageously 7<Js'\Z  
employed for nearly all kinds of short-range __n"DLW  
identification and measurement applications, where U)%u`C
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the use of conventional sensors is uncomfortable, adE0oXQH"  
impossible, or dangerous, e.g., on moving or rotating 5F+ f'~  
parts or in industrial process chambers. Here, the Ek
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basics of SAW-based radio sensor systems are #<>E+r+  
reviewed and .. `V_/Cz_}D  
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