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GPS Earth Coordinate Series Brief description

　　　　To describe the position of an object, there must be a related coordinate system. The location of the GPS receiver on the surface of the earth is relative to the earth. Therefore, to describe the ...

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The historical development of GPS in the 20th century

　　　　In the 1970s, Lu, Hai, and Air Force jointly developed a new generation of global positioning systems. The main purpose of GPS was to provide real -time, all -weather and global navigation service...

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The main error and elimination algorithm in GPS positioning

　　　　The main errors in GPS positioning are: star clock errors, relativity errors, earth rotation errors, ionization layers and stream layer errors. 1) Star clock error is formed by the error between t...

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GPS Starry Structure and Solving Process

　　　　To get the position of the receiver, when the receiver clock clock and the GPS standard are strictly synchronized, the location is to be solved. The position is 3 unknown variables, and 3 independ...

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Car GPS system

　　　　1 GPS processor (GPSPU)　　It is an information system that is installed in the vehicle to continuously calculate the location of the vehicle. It has the characteristics of small size, not smooth su...

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Car GPS Global Positioning System

　　　　GPS is the abbreviation of GLOBLEPOSITIONGSYSTEM, which means a global positioning system. It is a huge universe and aerospace project that has been implemented by the US government for more than ...

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GPS system principle

　　　　System principle　　The vehicle system receives satellites (a total of 24 pieces, which runs on the 6 satellite orbit). Data from the coordinate position of the satellite itself per second can be pl...

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GPS system performance index

　　　　· The shock-proof of the entire vehicle system meets the standards of MIL-STD-883　　· GPS satellite receiver　　Receiving method: 12 channels parallel receiving　　Tracking method: full-in-view (all-in...

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With GPS positioning function police smart clothing

　　　　In the past, clothing pursued the color fashion and novel style, and now smart elements have begun to be sought after by more and more people. Professor Wang also told reporters that during the Wo...

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