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ABSTRACT: VSI proposes the development of the SIGMA (Speedy Imagery Geo-registration and Motion Analysis) system, which will address three key requirements by the end of Phase II: (i) adapt to different type of sensors, sensor-configurations and sensor operating conditions, (ii) handle large amount of data in real-time or close to real-time using limited resources, and (iii) operate under conditi ...

Applied Radar has developed a multi-channel wideband digital receiver/exciter (DREX) module denoted as the Single Channel Open Architecture Receiver Exciter (SCORE-X750) which operates at X-band (tunable over 812 GHz) with 750 MHz of instantaneous bandwidth. This DREX module is designed for ground-based radars and can be used in new designs or in retrofit and modernization of existing radars. The ...

New missions require that airborne radars operate at increasing ranges with higher target resolution. This combination necessitates the cost-effective deployment of large apertures while maintaining aerodynamic performance. Externally mounted antenna arrays are not a satisfactory solution due to the large size at low frequencies, for example with UHF foliage penetration radar. Another approach emp ...

The objective of the proposed effort is to develop a digital beamforming (DBF) processor capable of generating multiple simultaneous receive beams with a wide (>500 MHz) instantaneous bandwidth (IBW). This would offer a significant improvement over a similar DBF processor with 15 MHz IBW that Applied Radar, Inc. previously developed for AFRL. The wide bandwidth is necessary for a number of high-re ...