海洋科学2011，Vol.35Issue(3)：42-49,8.
声学法深海热液速度场测量重建算法研究
Reconstruction algorithm for acoustic measurement of velocity field of deep-sea hydrothermal vents
摘要
Abstract
The basic theory of acoustic velocity field measurement in deep-sea hydrothermal vents was introduced.The time of flight (TOF) of acoustic signals through hydrothermal vents was dependent on temperature and velocity.The velocity field was reconstructed by inverse problem solving techniques based on the relationship between the round-trip TOF difference and velocity of flow. The reconstruction of velocity field using the least square method was presented. At the same time, flow flux of reconstruction results was analyzed. The results show that the least square method has good accuracy. Increase of the number of acoustic transducers and mesh density can improve the reconstruction accuracy effectively.关键词
热液/速度场/声波/重建算法/最小二乘法Key words
hydrothermal vents/ velocity field/ acoustic/ reconstruction algorithm/ least square method分类
通用工业技术引用本文复制引用
白燕,毛洁,樊炜,潘华辰,刘云峰..声学法深海热液速度场测量重建算法研究[J].海洋科学,2011,35(3):42-49,8.基金项目
国家863计划项目(2007AA09Z213) （2007AA09Z213）
浙江省科技计划钱江人才计划项目(2008R10020) （2008R10020）
国家自然科学基金重点项目(40637037) （40637037）
杭州电子科技大学浙江省重中之重学科"海洋机电装备技术"开放基金 （）
