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The wavenumber shift in SAR interferometry

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6 Author(s)
Gatelli, F. ; Dipartimento di Elettronica, Politecnico di Milano, Italy ; Monti Guamieri, A. ; Parizzi, F. ; Pasquali, P.
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SAR surveys from separate passes show relative shifts of the ground wavenumber spectra that depend on the local slope and the off-nadir angle. The authors discuss the exploitation of this spectral shift for different applications: 1) generation of "low noise" interferograms benefiting phase unwrapping, 2) generation of quick-look interferograms, 3) decorrelation reduction by means of tunable SAR systems (TINSAR), 4) range resolution enhancement, and 5) the combination of SAR data gathered by different platforms (airborne and satellite) for a "long-time coherence" study.<>

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:32 ,  Issue: 4 )