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Investigation of NavIC and GPS Multipath Phase for Soil Moisture Studies
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This paper aims to investigate the relationship between the multipath phase ofGlobal Navigation Satellite System (GNSS) and volumetric moisture content(VMC) of soil. The carrier to noise ratio (C/No) data of multipath signals attwo different frequencies has been analyzed. The first one is India’s NavICL5 frequency (∼1176 MHz) and the second one is GPS L1 frequency (∼1575MHz). The received multipath signals are highly dependent on dielectricvalue of soil and the elevation angle of satellite. The relationship drawn forthe NavIC and GPS C/No data is based on multipath phase analysis andin situ soil moisture. The values of correlation coefficient observed betweenthese parameters were 0.9 and 0.63 for NavIC and GPS multipath signalrespectively. The result from both GNSS shows good sensitivity and couldbe used to estimate the soil moisture for agricultural land
River Publishers
Title: Investigation of NavIC and GPS Multipath Phase for Soil Moisture Studies
Description:
This paper aims to investigate the relationship between the multipath phase ofGlobal Navigation Satellite System (GNSS) and volumetric moisture content(VMC) of soil.
The carrier to noise ratio (C/No) data of multipath signals attwo different frequencies has been analyzed.
The first one is India’s NavICL5 frequency (∼1176 MHz) and the second one is GPS L1 frequency (∼1575MHz).
The received multipath signals are highly dependent on dielectricvalue of soil and the elevation angle of satellite.
The relationship drawn forthe NavIC and GPS C/No data is based on multipath phase analysis andin situ soil moisture.
The values of correlation coefficient observed betweenthese parameters were 0.
9 and 0.
63 for NavIC and GPS multipath signalrespectively.
The result from both GNSS shows good sensitivity and couldbe used to estimate the soil moisture for agricultural land.
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