DD-R27P X-band Long-range Quad-cell Radar Product Overview The DD-R27P X-band long-range quad-cell radar employs a fully solid-state, fully coherent pulse Doppler system designed for all-weather detection and early warning of "low, small, slow" targets. Utilizing advanced machine learning and AI recognition based on micro-Doppler signatures and flight path features, this system achieves ultra-low false alarm rates while effectively detecting and classifying various targets