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Mix-scene of forest with the combination of different land cover types, such as grass, or crop, in one pixel is common, especially for the low resolution SAR images. Various radar models have been developed through years. However, the heterogeneous effect of mix-scene is not well understood quantitative so far, which might cause substantial uncertainty in the soil moisture and biomass estimations...
A unique method for investigating continental surfaces uses backscatter data measured by a radar altimeter at the nadir point of a satellite, in contrast to other microwave sensors designed to work at oblique angles, such as scatterometers and synthetic aperture radar. To improve the altimetry resolution over land, we generated $0.5^{\circ}\times 0.5^{\circ}$ merged altimetry backscatter maps covering...
It is a special way to investigate continental surfaces using radar altimeter, besides scatterometers and Synthetic Aperture Radar among the active microwave remote sensing sensors for the altimeter works at the nadir point of satellite and at dual-frequency, which can measure the backscatters from different layers instantaneously. The aim of this paper is to merge multi-radar altimeter dual-frequency...
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