发明名称 |
DEVICE FOR TRACKING A SATELLITE RADIONAVIGATION SIGNAL IN A MULTIPATH ENVIRONMENT |
摘要 |
A GNSS receiver comprising a circuit configured to receive a positioning signal comprising a carrier modulated by a subcarrier and a PRN code; a subcarrier and code tracking loop, comprising a first discrimination circuit, configured to calculate a first pseudo range from said received positioning signal and a first reference signal; a code tracking loop, comprising a second discrimination circuit, configured to calculate a second pseudo range from said received positioning signal and a second reference signal; and a calculation circuit configured to evaluate a difference between said first pseudo range and said second pseudo range, and to modify the output of the first discrimination circuit accordingly. The invention further addresses a method for calculating a pseudo-range in such a GNSS receiver. |
申请公布号 |
EP3109671(A1) |
申请公布日期 |
2016.12.28 |
申请号 |
EP20150305977 |
申请日期 |
2015.06.24 |
申请人 |
Centre National d'Etudes Spatiales;M3 Systems |
发明人 |
JARDAK, Nabil;VIGNEAU, Willy;MARMET, François-Xavier;RIES, Lionel |
分类号 |
G01S19/30 |
主分类号 |
G01S19/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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