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| Hybrid Phased-MIMO Radar with Non-monotone Increasing Frequency Offset for Target Tracking |
| WANG Yuxi HUANG Guoce LI Wei WANG Yequn |
| (School of Information and Navigation, Air Force Engineering University, Xi’an 710077, China) |
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Abstract The traditional radar system can form an angle-dependent beam for target tracking, which is independent on the range of target and as a result can not make the transmit energy focus on the target’s position. For this problem, a novel hybrid phased-MIMO radar with non-monotone increasing frequency offset for target tracking is proposed based on the combination of the Frequency Diverse Array (FDA) with MIMO radar. With the non-monotone increasing frequency offset, this new method can form a transmit beampattern in two dimensions of range and angle, and cancel the periodicity of basic FDA beampattern in range domain as well as decouple the beampattern in range and angle dimensions. With the help of the decoupled beampattern, a two dimensional point beam can be formed to track target. With the advantages of the hybrid phased-MIMO radar’s transmit gain and waveform diversity, the tracking performance can be enforced. Finally, the target tracking accuracy of the proposed method is analysed and the performance of anti-jamming is proved by simulations results.
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Received: 29 January 2016
Published: 08 September 2016
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| Fund: The National Natural Science Foundation of China (61302153) |
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Corresponding Authors:
WANG Yuxi
E-mail: WYX10013@163.com
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