Transcription of GNSS Solutions
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GNSS Solutions
20 InsideGNSS n o v e m b e r / d e c e m b e r 2 0 1 0 gnss Solutions : What is the difference between SNR and C/N0?GPS receivers built for various applications , such as hand-helds, automobiles, mobile phones, and avionics, all have a method for indicating the signal strength of the different satellites they are tracking. Some receivers display the signal strength in the form of verti-cal bars, some in terms of normalized signal strength, and others in terms of carrier-to-noise density (C/N0) or sig-nal-to-noise ratio (SNR). The latter two terms are regularly used so interchangeably that their fundamental differences are often overlooked. A full understanding of the differences between SNR and C/N0 is useful both for users of GPS receiv-ers and for GPS receiver designers and and C/N0 SNR is usually expressed in terms of decibels.
20 InsideGNSS november /december 2010 www.insidegnss GNSS Solutions: What is the difference between SNR and C/N 0? G PS receivers built for various applications…
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