Resolving Doppler Ambiguity of High-Speed Moving Targets via FDA-MIMO Radar
Weitao Wan, Shunsheng Zhang, Wen-Qin Wang
Abstract
To address the problem of Doppler ambiguity in low pulse repetition frequency (PRF) radar, we propose the use of frequency diverse array multiple-input–multiple-output (FDA-MIMO) radar to detect high-speed moving targets. This method does not require the radar to transmit multiple-PRF pulses. The possible Doppler ambiguity is resolved by exploiting the multicarrier characteristics of FDA-MIMO radar. The effectiveness of the proposed method is verified by simulation results.
Topics & Concepts
Pulse repetition frequencyComputer scienceRadarDoppler radarContinuous-wave radarAmbiguity functionDoppler effectPulse-Doppler radarMIMORadar engineering detailsElectronic engineeringAmbiguityRadar imagingTelecommunicationsPhysicsEngineeringWaveformChannel (broadcasting)Programming languageAstronomyRadar Systems and Signal ProcessingAdvanced SAR Imaging TechniquesFull-Duplex Wireless Communications