[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 F m$;p6&j  
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Wireless autonomous surface 'qlWDt/  
acoustic wave (SAW) sensors offer QV*W#K\7q  
high flexibility for modern sensor IfF&QBi  
systems. Because no battery or &Tn7  
wiring is required for power-supply 0$I!\y
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and communication tasks, they can be advantageously -z?O^:e#x  
employed for nearly all kinds of short-range -FW'i10\2+  
identification and measurement applications, where W}.p,d  
the use of conventional sensors is uncomfortable, Jo9!:2?  
impossible, or dangerous, e.g., on moving or rotating jKhj 7dR  
parts or in industrial process chambers. Here, the eSA%:Is.  
basics of SAW-based radio sensor systems are /GU%{nT  
reviewed and .. ghVxcK  
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