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

doi:10.16182/j.issn1004731x.joss.201812034

Journal of System Simulation ›› 2018, Vol. 30 ›› Issue (12): 4760-4769.doi: 10.16182/j.issn1004731x.joss.201812034

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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)

Abstract

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

CLC Number:

TP391.9

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

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