文章摘要
邹洪,向大威,宣志芬,张串.多普勒计程仪测速精度的测定[J].声学技术,2002,(4):188~191
多普勒计程仪测速精度的测定
Speed-precision measurement for ADL
投稿时间:2001-09-28  修订日期:2002-05-31
DOI:
中文关键词: 测速精度  实时测定  准实时测定  中分纬度法  墨卡托法  波林法
英文关键词: speed-precision  real-time measurement  quasi-real-time measurement  mid-latitude sailing method  Mercator sailing method, Bowring sailing method
基金项目:
作者单位
邹洪 上海航海仪器厂, 上海, 200129 
向大威 中国科学院声学研究所, 上海, 200032 
宣志芬 中国科学院声学研究所, 上海, 200032 
张串 中国科学院声学研究所, 上海, 200032 
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中文摘要:
      文章介绍多普勒计程仪测速精度的两种测定方法,实时法与准实时法。在实时法中,载体的航迹向与对地速度的真值均取自差分卫星定位仪。在准实时法中,利用差分卫星定位仪给出的地理坐标,根据中分纬度法、墨卡托法或波林法算得航迹向与对地速度的真值。两种方法所需的航向均取自于平台罗经。
英文摘要:
      Two speed-precision measurement methods, real-time and quasi-real-time method, are described. For real-time method, the real-values of COG and SOG are got from DGPS. For quasi-real-time method, the real-values of COG and SOG are calculated by Mid-Latitude, Mercator or Bowring sailing method, the geographic coordinates obtained from DGPS are taken as the original datum of the three sailing methods. The bearings used by both two method are got from platform-gyrocompass.
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