2006•Gnss World of ChinaRequires access

Study of the Signal Modulation of Galileo Satellite Navigation System

Feixue Wang

Abstract

Currently,The test Satellite GIOVE-A of Galileo Satellite Navigation System has been launched.The Binary Offset Carrier modulation is used in the Galileo Satellite Navigation System,and the Alternate Binary Offset Carrier modulation is used in it firstly.The modulation of Galileo Satellite Navigation System's signal is analyzed in this paper,especially,the basic principle of the BOC and ALTBOC is analyzed in detail.Finally,by analyzing the changed process of parameters,GPS/ GALILEO radio frequency compatibility is also analyzed in this paper.

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Key concepts: Binary offset carrier modulation, Galileo (satellite navigation), Satellite navigation, Global Positioning System, Modulation (music), GNSS applications, Satellite, Computer science