Method and reciever using a low earth orbiting sat

更新时间:2023-06-30 15:22:05 阅读: 评论:0

我国最大的海专利名称:Method and reciever using a low earth orbiting satellite signal to augment the
global positioning system
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发明人:Per K. Enge,Nicholas Charles Talbot龙虎宗
申请号:US08/580504
中国白酒十大名酒
申请日:19951228u盘无法访问
公开号:US05812961A
公开日:
19980922
专利内容由知识产权出版社提供
摘要:A method and an apparatus using a low Earth orbiting (LEO) satellite signal to augment the Global Positioning System (GPS) for finding a location vector between a GPS ur receiver and a GPS reference receiver. The GPS ur receiver computes a LEO ur-reference carrier pha difference and a GPS ur-reference carrier pha difference for the LEO satellite signal and a GPS satellite signal, respectively, received simultaneously at the GPS ur receiver and the GPS reference receiver. Carrier pha double differences are computed from a difference between the GPS ur-reference carrier phas from two GPS satellites and either the LEO ur-reference carrier phas from two LEO satellites or the GPS ur-reference carrier pha from one GPS satellite and the LEO ur-reference carrier pha from one LEO satellite. The location vector is computed from a difference between the double differences for two satellite geometries. The GPS reference receiver communicates the reference carrier pha data to the GPS ur receiver through the LEO satellite. An ionospheric delay model is determined by tracking the LEO satellite signal as the LEO satellite travers the sky. An optional calibrator corrects for measurement delay in determining the carrier phas in the GPS ur日本七夕
以德治国receiver and the GPS reference receiver.
申请人:TRIMBLE NAVIGATION LIMITED 代理人:David R. Gildea
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