ADCP水池校准方法研究

罗辉; 焦君圣; 陶然; 史占红; 方卫华; 刘建遥

doi:10.3969/j.issn.1000-1158.2024.07.16

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计量学报 ›› 2024, Vol. 45 ›› Issue (7) : 1055-1063. DOI: 10.3969/j.issn.1000-1158.2024.07.16

声学计量

ADCP水池校准方法研究

罗辉¹,焦君圣¹,陶然²,史占红³,方卫华²,刘建遥¹

作者信息 +

Research on ADCP Pool Calibration Methodology

LUO Hui¹,JIAO Junsheng¹,TAO Ran²,SHI Zhanhong³,FANG Weihua²,LIU Jianyao¹

Author information +

文章历史 +

摘要

提出一种在实验室消声水池环境下对声学多普勒流速剖面仪(ADCP)进行校准的方法。通过发射仿真回波信号,利用频率和延时时间实现量值溯源,进而实现对流速和深度的校准。研制了一套ADCP水池校准系统,以2波束614.4kHz ADCP为校准对象,设计不同的流速分布实现对水层流速校准,探究底跟踪信号非限幅下的校准,设计多波束和单波束对比实验。对底跟踪速度进行不确定度评定,结果表明,在0~2.5m/s速度下,不确定度最大为2.30mm/s,验证了该校准方法的可行性。

Abstract

A method for calibration of acoustic Doppler current profile (ADCP) in laboratory anechoic pool is proposed. By transmitting the simulation echo signal, the frequency and delay time are used to realize the magnitude traceability, and then the velocity and depth are calibrated. A set of ADCP pool calibration system was developed. Using 2-beam 614.4kHz ADCP as calibration object, different velocity distributions were designed to realize velocity calibration of water layer, and the calibration under non-limiting bottom tracking signal was explored. Multi-beam and single-beam comparison experiments were designed. The results show that the maximum uncertainty is 2.30mm /s at 0~ 2.5m /s, which verifies the feasibility of this method.

导出引用

罗辉,焦君圣,陶然,史占红,方卫华,刘建遥. ADCP水池校准方法研究[J]. 计量学报. 2024, 45(7): 1055-1063 https://doi.org/10.3969/j.issn.1000-1158.2024.07.16

LUO Hui,JIAO Junsheng,TAO Ran,SHI Zhanhong,FANG Weihua,LIU Jianyao. Research on ADCP Pool Calibration Methodology[J]. Acta Metrologica Sinica. 2024, 45(7): 1055-1063 https://doi.org/10.3969/j.issn.1000-1158.2024.07.16

中图分类号： TB95 TB937

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