2019
DOI: 10.1007/s10291-019-0912-5
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Estimation of snow depth using pseudorange and carrier phase observations of GNSS single-frequency signal

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Cited by 36 publications
(23 citation statements)
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“…Recent satellite-based remote sensing technology shows a SLR rate of 3.2 mm/year since 1992 [38]. Moreover, since the snow/ice has different characteristics in a variety of areas (such as Alaska and Texas in the U.S), it leads to a tremendously different impact weight in GNSS time series [39]. Notably, we expect the hybrid method to be fully tested and have the characteristics of generality and efficiency.…”
Section: Journal Of Sensorsmentioning
confidence: 99%
“…Recent satellite-based remote sensing technology shows a SLR rate of 3.2 mm/year since 1992 [38]. Moreover, since the snow/ice has different characteristics in a variety of areas (such as Alaska and Texas in the U.S), it leads to a tremendously different impact weight in GNSS time series [39]. Notably, we expect the hybrid method to be fully tested and have the characteristics of generality and efficiency.…”
Section: Journal Of Sensorsmentioning
confidence: 99%
“…where θ(t) is the time-varying satellite elevation angle, H 0 is the antenna height relative to the reflection surface, and λ is the wavelength of GNSS signal. Due to the geometrical relationship, the squared amplitude (A) of received signal can be expressed as [38][39][40]…”
Section: Normalization Of Signal-noise Ratio Multipath Signalmentioning
confidence: 99%
“…Here, A d and A r are the amplitude of direct and reflected signal, and α is the amplitude attenuation factor (AAF) as studied in our previous work [40]. The AAF mainly depends on the characteristics of scattering surface and antenna gain patterns.…”
Section: Normalization Of Signal-noise Ratio Multipath Signalmentioning
confidence: 99%
“…Combined GPS and GLONASS observations have no significant improvement on the precision, but improve the spatial resolution because of more satellites. Li et al 11 proposed a new method to estimate snow depth by using the single frequency GNSS signal combined by pseudo-range and carrier phase observations and a weighted method for combining multiple snow depth values generated by observations of multiple individual GNSS satellites. Yu et al 22 proposed two methods for inverting snow depth using dual GNSS receiving systems, one using dual-frequency carrier phase observation, and the other using a single-frequency carrier phase and pseudorange observation.…”
Section: Introductionmentioning
confidence: 99%