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Aperture synthesis measurements, also termed complex visibilities, are the sparse samplings in the (u,v) frequency plane, which causes undesirable side lobes in the synthesized beam. Through the side lobes, artificial sources emitting in the protected 1400–1427MHz band are contaminating the retrievals of the soil moisture and ocean salinity (SMOS) satellite launched by the European Space Agency (ESA)...
French-Indo joint mission SARAL/AltiKa is the first space-borne altimeter operating at Ka-band, which is expected to obtain finer resolution ocean surface wind speed and significant wave height (SWH) measurements particularly in coastal areas compared to the traditional Ku-band altimeters. In this paper, we present the preliminary validation results for the SARAL/AltiKa coastal SWH and wind speed...
A new version of the digital elevation model (DEM) generated from Shuttle Radar Topography Mission (SRTM) data is to begin release in 2016. The so-called NASADEM results from re-processing the raw radar echoes and telemetry, guided by global measurements of topography from the ICESat's Geoscience Laser Altimeter System (GLAS). Significant improvements in accuracy were obtained thanks to the removal...
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