[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 }3 fLV  
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Wireless autonomous surface 0R2S@4%Y  
acoustic wave (SAW) sensors offer NgmO0H  
high flexibility for modern sensor IN]`lJ  
systems. Because no battery or [XA&&EcU  
wiring is required for power-supply ej)BR'*  
and communication tasks, they can be advantageously E7d~#  
employed for nearly all kinds of short-range N2+mN0k;  
identification and measurement applications, where r_qncy,F  
the use of conventional sensors is uncomfortable, wR5\^[GN  
impossible, or dangerous, e.g., on moving or rotating &etL&s v  
parts or in industrial process chambers. Here, the C}M0XW  
basics of SAW-based radio sensor systems are u&?yPR  
reviewed and .. gNMKGf\Y  
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