Non-fluctuating target detection in low-grazing angle with MIMO radar
来源期刊：中南大学学报(英文版)2013年第10期
论文作者：DING Jin-can(丁锦灿) 陈浩文 WANG Hong-qiang(王宏强) LI Xiang(黎湘) ZHUANG Zhao-wen(庄钊文)
文章页码：2728 - 2734
Key words：low-grazing angle; multiple-input multiple-output (MIMO) radar; non-fluctuating target; multipath
Abstract: The non-fluctuating target detection in low-grazing angle using multiple-input multiple-output (MIMO) radar systems was studied, where the multipath effects are very abundant. The performance of detection can be improved via utilizing the multipath echoes. First, the reflection coefficient considering the curved earth effect is derived. Then, the general signal model for MIMO radar is introduced for non-fluctuating target in low-grazing angle. Using the generalized likelihood ratio test (GLRT) criterion, the detector of non-fluctuating target with multipath was analyzed. The simulation results demonstrate that the MIMO radar outperforms the conventional radar in non-fluctuating target detection and show that the performance can be enhanced markedly when the multipath effects are considered.
DING Jin-can(丁锦灿), CHEN Hao-wen(陈浩文), WANG Hong-qiang(王宏强), LI Xiang(黎湘), ZHUANG Zhao-wen(庄钊文)
(School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China)
Abstract:The non-fluctuating target detection in low-grazing angle using multiple-input multiple-output (MIMO) radar systems was studied, where the multipath effects are very abundant. The performance of detection can be improved via utilizing the multipath echoes. First, the reflection coefficient considering the curved earth effect is derived. Then, the general signal model for MIMO radar is introduced for non-fluctuating target in low-grazing angle. Using the generalized likelihood ratio test (GLRT) criterion, the detector of non-fluctuating target with multipath was analyzed. The simulation results demonstrate that the MIMO radar outperforms the conventional radar in non-fluctuating target detection and show that the performance can be enhanced markedly when the multipath effects are considered.
Key words:low-grazing angle; multiple-input multiple-output (MIMO) radar; non-fluctuating target; multipath
