The current state shows synthetic aperture radar (SAR) with multimode and multipolarization capability and high performance in terms of image quality (e.g. COSMO-SkyMed, SPOTLIGHT: lm resolution @ 10 km swath). A second generation of sensors (2009-2017) will include, among the main characteristics: the high resolution (sub-meter), the possibility of bistatic acquisition, the ability to identify moving targets (ATI / MTI). A next generation of sensors (> 2017), while maintaining the capacity already developed in previous generations, should include the possibility of:1. multifrequency operations,2. Flexibility (i.e. simultaneous acquisitions in different modes)3. ECCM capabilities using beam forming / nulling,4. On-board processingThese capabilities must necessarily be associated to a reduction of mass, volume and power consumption thus implying a larger integration and new technologies.
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