发明申请
- 专利标题: PRESENT POSITION LOCATING METHOD
- 专利标题(中): 现在位置定位方法
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申请号: US12062183申请日: 2008-04-03
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公开(公告)号: US20090040104A1公开(公告)日: 2009-02-12
- 发明人: Shinichi MITSUNAGA , Mikio NAGAHARA
- 申请人: Shinichi MITSUNAGA , Mikio NAGAHARA
- 申请人地址: JP Tokyo
- 专利权人: SEIKO EPSON CORPORATION
- 当前专利权人: SEIKO EPSON CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2007-101478 20070409; JP2008-037116 20080219
- 主分类号: G01S5/14
- IPC分类号: G01S5/14
摘要:
An evaluation point E of a present position candidate corresponding to each satellite set is calculated based on an a priori residual (APR) (APR value), a PDOP value, and the number of satellites of the target satellite set according to E=k1·f1(APR)+k2·f2(PDOP)+k3·f3(number of satellites). Evaluation coefficients k1 to k3 for respectively weighting evaluation functions f1 to f3 are determined based on an APR average value.
公开/授权文献
- US07623069B2 Present position locating method 公开/授权日:2009-11-24
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