期刊名称：Journal of Theoretical and Applied Information Technology
印刷版ISSN：1992-8645
电子版ISSN：1817-3195
出版年度：2013
卷号：47
期号：3
出版社：Journal of Theoretical and Applied
摘要：Multiple-input multiple-output (MIMO) radar can achieve improved localization performance by employing a coherent processing approach with proper antenna positioning. Coherent processing, however, entails the challenge of ensuring phase coherence of the carrier signals from different distributed radar elements. In recent years, studies have shown how the performances of conventional phased-array radar can be improved by using the same approach. In this work, we aim to address such a challenge by providing a systematic treatment of the phase synchronization problem in coherent MIMO radar systems. We propose and study in coherent MIMO radar and phase array radar with coherent beam for the effectiveness of the above problems. The results show that at high and low SNR values phase array radar with coherent beam provides great improvements of target detection performance over coherent MIMO radar. Simulation results are presented to validate our theoretical analysis.
