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

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

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