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A Novel Waveform Diversity Model for Distributed Aperture Radars with Consideration on Environment Non-Stationarity

A Novel Waveform Diversity Model for Distributed Aperture Radars with Consideration on Environment Non-Stationarity

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This chapter discusses the benefit of the joint use of distributed aperture radars and waveform diversity in conjunction with space-time adaptive processing. The interference is modeled as a sum of noise and clutter; the clutter contribution, basically due to chaff cloud, is, in turn, modeled as the sum of several low power interference sources as done for airborne radar, however, here, each source has a range dependent contribution. A well known problem in bistatic radar is that clutter Doppler center is range dependent due to the relative motion between antennas and interference source. This dependency significantly degrades the achievable performance of the receiver and must be taken in account for effective clutter suppression.

Inspec keywords: radar receivers; radar clutter; interference suppression; Doppler radar; radar signal processing; airborne radar

Other keywords: radar receiver; distributed aperture radars; waveform diversity model; radar clutter; bistatic radar; Doppler center; chaff cloud; airborne radar; space time adaptive processing; environment nonstationarity; clutter suppression; low power interference sources

Subjects: Signal processing and detection; Electromagnetic compatibility and interference; Radar equipment, systems and applications; Radar theory

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