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Measurement of Dam Deformations by Terrestrial Interferometric Techiques
Interferometric SAR Deformation Analysis Dam Monitoring Engineering Surveying Ground-Based InSAR
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2015/11/20
In this paper the application of a novel non-contact GBInSAR sensor to the measurement of daily deformations of an arch-gravity dam is described. The sensor, named IBIS, is a Ku-band interferometric r...
Nominal Signal Deformations:Limits on GPS Range Accuracy
Nominal Signal Deformations GPS Range Accuracy
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2015/6/26
Satellite-based navigation requires precise knowledge of the structure of the transmitted signals. For GPS, accurate knowledge of the shape of the ranging codes is required to ensure no biases are int...
Effects of Signal Deformations on Modernized GNSS Signals
Signal Deformation Modernized GNSS Signals
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2015/6/26
Satellite-based navigation requires precise knowledge of the structure of the transmitted signals.For GPS, accurate knowledge of the shape of the code correlation peaks is required to ensure no biases...
Characterization of Signal Deformations for GPS and WAAS Satellites
Characterization Signal Deformations GPS WAAS Satellites
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2015/6/25
Signal deformations are caused by imperfections or faults in the signal generating hardware onboard the satellites.Left uncorrected, these can lead to range errors. Thus they need to be measured and u...
Bounding Errors Caused by Nominal GNSS Signal Deformations
Bounding Errors Caused Nominal GNSS Signal Deformations
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2015/6/24
Nominal signal deformations are present in GNSS-GPS and WAAS-GEO satellite signals. They result in pseudorange errors, which in turn cause navigation errors for GNSS users. These navigation errors dep...
The Effect of Nominal Signal Deformations on ARAIM Users
Nominal Signal Deformations ARAIM Users
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2015/6/24
Predictions of the future performance of ARAIM users depend on a thorough understanding of the nominal performance of the satellites from all constellations. This generally requires long-term, careful...