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A switch uniform linear array (ULA) frequency-modulated continuous-wave (FMCW) synthetic aperture radar (SAR) system transmits and receives FMCW waveform by firing elements of the ULA sequentially under the control of a switch network. Resolution in range is achieved by range compression and in ULA direction is achieved by digital beamforming. Compared with a conventional SAR system, a switch ULA...
Slope radar which is based on the principles of synthetic aperture radar and differential interferometry can be used to the deformation monitoring in open pit mines, tailings, dump and other occasions. The existing slope radar systems mainly adopt stepping frequency continuous wave signal (SFCW) to achieve range resolution, and achieve azimuth resolution by stop-go motion mode along track direction...
Recently ground-based synthetic aperture radar (GB-SAR) has been an important technical means in remote sensing deformation monitoring. However, similar to spaceborne and airborne SAR, the accuracy of GB-SAR interferometry is also seriously affected by atmospheric phase disturbances. In this paper, a novel GB-SAR atmospheric phase correction (APC) algorithm based on coherent scatterers (CSs) is proposed...
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