EditorInstitute of Electrical and Electronics Engineers (IEEE)
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Earth-reflected Global Navigation Satellite System (GNSS)
signals have become an attractive tool for remote sensing.
Recently it has been proposed as an alternative to the
conventional altimetry to estimate the surface height
However GNSS-R altimetry offers lower bandwidths and
signals power compared to radar altimeters. This implies a
poorer altimetry precision, accuracy and resolution per
pulse.Also the altimetry precision will be impacted by the
impact of the thermal, and speckle noise mainly.
This paper gives a critical review of the cross-correlation
CitacióMartin, F. [et al.]. Cross-correlation waveform mode: a critical review. A: IEEE International Geoscience and Remote Sensing Symposium. "IGARSS 2012: International Geoscience and Remote Sensing Symposium". Munich: Institute of Electrical and Electronics Engineers (IEEE), 2012, p. 2669-2672.