Global positioning system

Global Positioning System By T.Srinivas

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Introduction ,[object Object],[object Object]

GPS Elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Working of GPS ,[object Object],It works something like this : If we know our exact distance from a satellite in space, we know we are somewhere on the surface of an imaginary sphere with radius equal to the distance to the satellite radius. If we know our exact distance from two satellites, we know that we are located somewhere on the line where the two spheres intersect. And, if we take a third measurement, there are only two possible points where we could be located. By taking the measurement from the fourth satellite we can exactly point out our location.

Sources of GPS signal errors ,[object Object],[object Object],[object Object],[object Object],[object Object]

Differential GPS ,[object Object],[object Object]

Implementing DGPS ,[object Object],[object Object],[object Object]

Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Global positioning system

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