【摘要】 阐述了目前目标识别系统的发展和应用情况，介绍了声表面波的传感技术，着重分析了声表面波传感技术的工作原理，研究了应用声表面波技术的目标识别系统，并进行了实验验证．更多还原

【Abstract】 This paper narrates the development and application status of the ID-tag. It introduces the surface acoustic wave transducer technology and analyzes the theory of transducer. It studies on the ID-tag system based on the surface acoustic waye technology. And the experimental results validated the resesarch.更多还原