发明授权
- 专利标题: Present position locating method
- 专利标题(中): 现在位置定位方法
-
申请号: US12576873申请日: 2009-10-09
-
公开(公告)号: US08164513B2公开(公告)日: 2012-04-24
- 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
- 代理机构: Global IP Counselors, LLP
- 优先权: JP2007-101478 20070409; JP2008-037116 20080219
- 主分类号: G01S19/42
- IPC分类号: G01S19/42 ; G01S19/46 ; G01S19/09
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
- US20100079335A1 PRESENT POSITION LOCATING METHOD 公开/授权日:2010-04-01
信息查询