Acta Metrologica Sinica  2020, Vol. 41 Issue (7): 848-851    DOI: 10.3969/j.issn.1000-1158.2020.07.13
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Echo Frequency Estimation of Surface Acoustic Wave Resonator Based on Phase Information in Frequency Domain
LI Ya-fei1,CHEN Zhi-jun1,2,ZHU Wei-jun3,HUANG Hong-wei1,XIONG Zhi-qiang1
1. College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu 211106, China
2. Key Laboratory of Non-destructive Testing and Monitoring of High-speed Transport Facilities of Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu 211106, China
3. CETC Deqing Huaying Electronics Co., Deqing, Zhejiang 313200, China
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