空气超声源成像仪关键参数性能评价  

Performance Evaluation of Key Parameters of Air Ultrasonic Source Imaging Instrument

作　　者：王萧博 张瑞纹 肖艰[1] 许胜男[1] 陈俭[1,2] 高申平 沈煜航 WANG Xiaobo;ZHANG Ruiwen;XIAO Jian;XU Shengnan;CHEN Jian;GAO Shenping;SHEN Yuhang(Zhejiang Institute of Metrology,Hangzhou 310018,China;National Key Laboratory of Market Supervision(Acoustic Vibration Precision Measurement Technology),Hangzhou 310018,China;Shenzhen Institute of Metrology and Quality Testing,Shenzhen 518000,China;China Jiliang University,Hangzhou 310018,China)

机构地区：[1]浙江省计量科学研究院,杭州310018 [2]国家市场监管重点实验室(声学振动精密测量技术),杭州310018 [3]深圳市计量质量检测研究院,深圳518000 [4]中国计量大学,杭州310018

出　　处：《计量科学与技术》2023年第11期33-38,共6页Metrology Science and Technology

基　　金：浙江省重点研发计划(2023C01034、2022C01002);浙江省市场监督管理局科技项目(QN2023421、ZD2024007);国家市场监督管理总局科技计划项目(2022MK046、KILJ202310)。

摘　　要：空气超声成像仪是一种利用被动声源定位技术,实现对超声声源定位和成像的设备。通过与光学图像位置的比对,定位超声源的位置、强度等参数。对空气超声成像仪的发展历史和应用前景进行了综述,探究了评价空气超声成像仪的关键计量参数,包括定位误差、横向空间分辨率、声压级准确度等五个关键参数,针对五个关键参数进行评价方法研究,并分析了影响评估过程的因素,实现了对空气超声成像仪的客观评价,保障了国产该类仪器设备的性能。The airborne ultrasonic imaging instrument,utilizing passive sound source localization technology,plays a pivotal role in localizing and imaging ultrasonic sources.This paper reviews the developmental history and future prospects of these instruments,focusing on the evaluation of key metrological parameters critical for their performance.These parameters include positioning error,lateral spatial resolution,and sound pressure level accuracy,among others.The paper presents research methods for evaluating these five key parameters and analyzes factors that influence the assessment process.This comprehensive evaluation ensures the objective assessment of airborne ultrasonic imaging instruments,contributing to the performance enhancement of such devices,particularly those produced domestically.

关 键 词：计量学 空气超声源成像仪 被动声源定位 超声 分辨率 校准 

分 类 号：TB95[一般工业技术—计量学]