Adaptive Moving Target Indication
A mechanism to suppress Doppler-spread ground clutter reflections is essential to the effective operation of an aerospace bistatic moving target indication (MTI) radar. Bistatic space-time adaptive processing (STAP) techniques combine spatial and temporal radar samples in a finite impulse response (FIR) filter to cancel stationary clutter returns while providing maximal gain on target. This strategy holds the potential to maximize output signal-to-interference-plus-noise ratio (SINR), thereby increasing the probability of detection for a fixed false alarm rate. This chapter describes adaptive bistatic clutter cancellation methods based on STAP.
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