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Abstract: This paper presents a digital beamforming (DBF) synthetic aperture radar (SAR) for future spaceborne earth observation systems. The objective of the DBF-SAR system is to achieve a low cost, ...

Abstract: Ka-band (26–40 GHz) is widely used for satellite links. In particular, the 26.5–29.5-GHz band is mostly used for uplink in low-Earth-orbit (LEO) constellations and is also part of the FR2 ...

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