SATELLITE NAVIGATION SYSTEM AND ATTITUDE DETERMINATION METHOD OF OBJECT USING THE SAME

摘要

The present invention provides a satellite navigation system and method for providing fast and precise determination of a 2 or 3-dimensional attitude of a vehicle by using functionally-divided three processes. The three processes comprises: a first process operated by using an interrupt signal with 1 mili-second generated at a correlator for performing a reading of correlation value, a synchronization of data bit and frame, and a code and a carrier tracking; a second process allocating satellites to channels of the correlator, acquisiting a code from the correlator, a phase and the number of a cycle of the carrier wave at a periodic interval of about 100 mili-seconds; and a third process for performing an acquisition of the satellite information, a communication with another device and a determination of the vehicle-attitude by calculating navigation solution and determining an ambiguity interger at a periodic interval of about 1 second.