GPS Bistatic Radar
Department of Defense
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Small Business Information
TECHNOLOGY SERVICE CORP.
11400 W. Olympic Blvd. #300, Los Angeles, CA, 90064
Socially and Economically Disadvantaged:
AbstractNot Available Solid state active array (SSAA) radars are expected to play an increasing role in the development of future surveillance, acquisition, and tracking systems. They provide the advantage of being able to schedule beams arbitrarily, thus facilitating performance-enhancing functions such as increasing the scan rate on high-priority sectors or performing track-while-scan operations. In addition, the use of digital beamforming allows for the application of adaptive array processing techniques for use in interference mitigation. This includes space-time adaptive processing (STAP) techniques comparable to those developed for airborne radar for mitigating both Doppler-shifted cold clutter and mainlobe scattered interference (MSI or hot clutter). In this proposal we address the issues associated with implementing STAP in SSAA systems such as system bandwidth effects, computational complexity, and degree of freedom (DoF) reduction techniques. We outline a program for the development and optimization of SSAA architectures together with STAP algorithm development to achieve the objectives of improved sensitivity and robustness to interference sources. In addition, we illustrate the need for site-specific clutter models to provide a meaningful simulation environment for this development.
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