Carrier phase delay altimetry with GPS-reflection/occultation interferometry from low Earth orbiters

Details Carrier phase delay altimetry with GPS-reflection/occultation interferometry from low Earth orbiters Carrier phase delay altimetry with GPS-reflection/occultation interferometry from low Earth orbiters

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3110402c&link_type=abstract

Geophysical Research Letters, Volume 31, Issue 10, CiteID L10402

Physics

Geophysics

5

Exploration Geophysics: Remote Sensing, Exploration Geophysics: Instruments And Techniques, Geodesy And Gravity: Standards And Absolute Measurements, Hydrology: Snow And Ice (1827), Radio Science: Interferometry

Scientific paper

GPS signals reflected off the surface of the Earth can be detected by receivers aboard occulting Low Earth Orbiters (LEOs). In this work, carrier phase interferometry between the reflected and direct occultation signals is performed to infer its relative delay at centimetric error. Our analysis shows that submeter sensitivity on the surface heights can formally be reached with this technique. The potential applications to polar ice altimetry are discussed.

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