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声表面波无线传感系统设计 被引量:2

Design of Surface Acoustic Wave Based Wireless Measurement System
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摘要 无线和无源化的声表面波传感器适用于许多特殊场合 ,其测量系统的设计与基于调制解调的无线传感器相比有许多特殊性。在介绍该类型传感器的测量原理的基础上 ,结合时域采样的延迟线型声表面波无线传感器 ,分析了无线信道特征、正交相位解调、本振等要素对无线声表面波传感器测量系统的测量产生的影响 。 The wireless and passive surface acoustic wave(SAW)sensors are suitable for some special environment applications The design of the measurement system is special compared to the demodulation The effect of the channel characteristics of the wireless sensors,the coherent demodulation components and the local oscillator in the time domain sampling measurement system are analyzed when the principle of the wireless system is given
作者 韩韬 施文康
出处 《压电与声光》 CSCD 北大核心 2001年第5期327-329,369,共4页 Piezoelectrics & Acoustooptics
关键词 无线传感器 声表面波 测量系统 wireless sensor surface acoustic wave measurement system
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