Abstract-An effective and robust strategy for concurrently designing the transmit and receive antennas of a frequency-modulated, continuoswave radar is discussed. The aperture architecture is based on the use of non-periodic, interleaved sub-arrays. Deterministic element placement is employed for ensuring design efficiency. The procedure yields controllable sub-array radiation patterns and two-way side-lobe levels below 30 dB, that are also stable over a wide frequency range.

Synthetic Aperture Radar (SAR) is becoming more and more requested in the commercial and scientific world, especially considering the latest developments toward compact, high-resolution and cost-effective sensors. Since 2008, MetaSensing has been commercially offering services and sensors allowing a larger group of users to benefit from the advantages of SAR technology. During the last year of operation, MetaSensing has remarkably extended its radar capabilities by performing several airborne campaigns at different frequencies and interfer-ometric and polarimetric configurations. This paper reports about technical specifications of a selection of airborne data acquisitions at L, X and Ku band.

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