专利名称：SATPS mapping with angle orientation
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发明人：Charles Gilbert,Steve Kery,James M. Janky 申请号：US08/115432
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申请日：19930901
公开号：US05379045A
公开日：
19950103
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摘要：Mobile system apparatus for accurately determining the location of a designated object, spaced apart from the apparatus, without having to approach the designated object. The invention us a Satellite Positioning System (SATPS), such as GPS or GLONASS, to determine the SATPS location of a first reference SATPS station, who location is known with high accuracy, and of a cond mobile SATPS station. The cond mobile SATPS station us two SATPS signal antennas, spaced apart a known distance but arbitrarily oriented. SATPS antennas at the first and cond SATPS stations each receive SATPS signals from a plurality of SATPS satellites that can be ud to determine the location of each antenna. The location of each SATPS antenna may be determined using differential corrections for the location of the first SATPS station antenna. The locations of the two SATPS signal antennas at the cond SATPS station define a baline for purpos of determination angular orientation. This angular orientation information, plus information provided by angle and range readouts for the designated object from a rangefinder positioned adjacent to the cond SATPS station, allows determination of the location of the designated object without requiring u of magnetic field-dependent instruments such as magnetic compass that may be inaccurate when ud adjacent to
蓬莱仙山四点metal structures or sources of inten electromagnetic fields. Another approach us triangulation of the designated object location from two or more spaced apart known locations of the cond SATPS station and does not require angular orientation information. Information on the location of the designated object can be procesd at the cond SATPS station, at the first SATPS station, or at any other place that has SATPS signal processing equipment.
申请人：TRIMBLE NAVIGATION LIMITEDedxp
代理人：John Schipper
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