Performance of multistatic space-time adaptive processing

In this paper, we analyze the benefits of using multiple airborne radar systems viewing a scene from different directions. The filter outputs from multiple radars employing space-time adaptive processing (STAP) are combined to increase signal-to-interference-plus-noise ratio (SINR) and detection performance. The performance improvement is analyzed by looking at the detection probability and the probability of false alarm of the combined system with and without bistatic components of the multistatic system. Performance is compared to a multi-radar system employing a decentralized method of detection. Sensitivity to training data availability for adaptive filtering is also considered.