钱进,毛卫宁.水下被动定位系统的校准子系统[J].声学技术,1995,(3):102~104,138 |
水下被动定位系统的校准子系统 |
Calibration subsystem for underwater passive location system |
投稿时间:1994-11-05 修订日期:1995-01-25 |
DOI: |
中文关键词: 校准 被动定位 时延差 |
英文关键词: calibration passive location time-delay difference |
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中文摘要: |
减小水下被动定位系统的定位误差是多年来人们一直关注的一个问题。对于一个实际定位系统,定位误差通常由随机误差和系统误差两部分组成,予以分别对待,可提高定位精度。其中系统误差可对采用系统校准进行消除。本文介绍一个可对实际定位系统实施校准的校准子系统。海上试验的结果表明,定位系统经过校准可有效地减小定位误差,提高定位精度。 |
英文摘要: |
Reducing location errors of underwater passive location system has been an attractive problem for many years.Usually,location errors are composed of systematic errors and random errors for a practical location system. Handling them respectively can improve location precision. Systematic errors can be eliminated by system calibration.In this paper.a calibration subsystem used for a practical location system is presented. Test results at sea show that location precision can be improved through calibration. |
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