| 投放式声学多普勒海流剖面仪的盲区优化和数据处理误差控制 |
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| 引用本文： | 熊学军,胡筱敏,于非,矫玉田.投放式声学多普勒海流剖面仪的盲区优化和数据处理误差控制[J].海洋技术,2006,25(1):107-110,114. |
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| 作者姓名： | 熊学军 胡筱敏 于非 矫玉田 |
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| 作者单位： | 国家海洋局第一海洋研究所,山东,青岛,266061 |
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| 基金项目： | 国家自然科学基金资助项目(40406009)，国家高技术研究发展计划(863)青年基金(2002AA639590) |
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| 摘 要： | 为了进一步完善投放式声学多普勒海流剖面仪(LADCP)测量和资料后处理技术,通过海上观测实验和资料分析,优化了盲区长度的设置,改善了第一观测层的资料质量;分析了下放过程和上升过程的不同测量误差,并反馈到对测量过程和资料后处理的质量控制,提出了较完备LADCP测量系统的必要组成。通过和相应的底跟踪结果及走航ADCP观测结果的比对分析,LADCP测量及资料后处理结果的可信性得到了初步验证。
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| 关 键 词： | LADCP 盲区长度 测量误差 LADCP测量系统 |
| 文章编号： | 1003-2029-（2006）01-0107-05 |
| 收稿时间： | 2005-05-20 |
| 修稿时间： | 2005-05-20 |
Blanking Optimizing and Error Control of Data Processing for Lowered Acoustic Doppler Current Profiler |
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| XIONG Xue-jun,HU Xiao-min,YU Fei,JIAO Yu-tian.Blanking Optimizing and Error Control of Data Processing for Lowered Acoustic Doppler Current Profiler[J].Ocean Technology,2006,25(1):107-110,114. |
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| Authors: | XIONG Xue-jun HU Xiao-min YU Fei JIAO Yu-tian |
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| Institution: | First Institute of Oceanography, SOA, Qingdao,266061 |
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| Abstract: | For improving the technology of measurement and the data post-processing of Lowered Acoustic Doppler Current Profiler(LADCP),the blanking length is optimized and the data quality of the first bin is improved based on in-situ experiments and data analyses.The different observation errors during down casting and up casting of LADCP are analyzed,respectively,and feeded back to the quality control of observation and data processing.The necessary compositions of a more perfect LADCP observation system are also suggested.Based on the comparison between bottom-track LADCP results and the isochronous ship-board ADCP results,the creditability of the measurement and the data processing of LADCP is verified. |
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| Keywords: | LADCP blanking length measurement error LADCP measurement system |
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