机载广域监视雷达系统设计要点分析与仿真

doi:10.16182/j.issn1004731x.joss.201812034

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (12): 4760-4769.doi: 10.16182/j.issn1004731x.joss.201812034

机载广域监视雷达系统设计要点分析与仿真

闫贺, 朱岱寅

南京航空航天大学电子信息工程学院,南京 210016

收稿日期:2016-08-26 修回日期:2017-01-05 出版日期:2018-12-10 发布日期:2019-01-03

Key Points Analysis and Simulation for System Design of Airborne WAS-GMTI Radar

Yan He, Zhu Daiyin

College of Information Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Received:2016-08-26 Revised:2017-01-05 Online:2018-12-10 Published:2019-01-03
About author:Yan He (1985-), male, Jiangsu, China, Ph.D. degree, research interests: air-borne/space-borne synthetic aperture radar (SAR) system design and multichannel SAR signal processing.
Supported by:
General Program of National Natural Science Foundation of China (61501231), Jiangsu Provincial Natural Science Foundation (BK20150759), Aeronautical Science Foundation of China (20152052027)

摘要/Abstract

摘要： 机载广域监视模式是多功能机载雷达的重要模式之一。对广域监视模式进行的系统设计将在很大程度上影响最终动目标的检测及跟踪效果。因此,我们重点研究了多通道广域监视雷达的系统设计问题。推导了含有偏流角信息的广域监视雷达回波表达式。给出了系统信噪比和杂噪比的计算方法。这些都是进行系统设计的基础。详细分析了广域监视雷达系统设计时的四个关键因素,包括:距离走动和距离弯曲分析,杂波谱分析,多载频系统和多PRF系统分析,每个波位脉冲数分析。这四个关键因素都进行了仿真并在仿真后给出了相关结论。

关键词: 广域监视, 地面运动目标指示, 雷达回波, 系统设计

Abstract: Wide area surveillance-ground moving target detection (WAS-GMTI) mode is one of the important modes for most multi-functional airborne radar. System design of the WAS-GMTI mode can affect the final moving targets detection and tracking abilities to a great extent. Therefore, research focuses on the system design of multi-channel WAS-GMTI radar system. The expression of WAS-GMTI radar echo (including the crab angle) is derived. Signal to noise ratio (SNR) and clutter to noise ratio (CNR) are presented. These are the preparations and foundations for the further discussion. Four key points are detailedly analyzed in the process of system design of WAS-GMTI radar, including range walk and range curvature analysis, clutter spectrum analysis, multi-frequency system and multi-PRF system analysis, number of pulses per burst analysis. Besides, these four key points are simulated and some conclusions are drawn after each discussion.

Key words: wide-area surveillance, ground moving target indication, radar echo, system design

中图分类号:

TP391.9

闫贺, 朱岱寅. 机载广域监视雷达系统设计要点分析与仿真[J]. 系统仿真学报, 2018, 30(12): 4760-4769.

Yan He, Zhu Daiyin. Key Points Analysis and Simulation for System Design of Airborne WAS-GMTI Radar[J]. Journal of System Simulation, 2018, 30(12): 4760-4769.

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机载广域监视雷达系统设计要点分析与仿真

Key Points Analysis and Simulation for System Design of Airborne WAS-GMTI Radar

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