A Range-ambiguous Clutter Suppression Method for MIMO Bistatic Airborne Radar

Wang Yuzhuo; Zhu Shengqi; Xu Jingwei

doi:10.12000/JR18016

Volume 7 Issue 2

May 2018

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Article Navigation > Journal of Radars > 2018 > 7(2): 202-211

Zhang Ran, Feng Dejun, Xu Letao. Design and Polarization Characteristics Analysis of Dihedral Based on Salisbury Screen[J]. Journal of Radars, 2016, 5(6): 658-665. doi: 10.12000/JR16055

Citation:

Wang Yuzhuo, Zhu Shengqi, Xu Jingwei. A Range-ambiguous Clutter Suppression Method for MIMO Bistatic Airborne Radar[J]. Journal of Radars, 2018, 7(2): 202-211. doi: 10.12000/JR18016

Zhang Ran, Feng Dejun, Xu Letao. Design and Polarization Characteristics Analysis of Dihedral Based on Salisbury Screen[J]. Journal of Radars, 2016, 5(6): 658-665. doi: 10.12000/JR16055

Citation:

Wang Yuzhuo, Zhu Shengqi, Xu Jingwei. A Range-ambiguous Clutter Suppression Method for MIMO Bistatic Airborne Radar[J]. Journal of Radars, 2018, 7(2): 202-211. doi: 10.12000/JR18016

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A Range-ambiguous Clutter Suppression Method for MIMO Bistatic Airborne Radar

DOI: 10.12000/JR18016

National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China

Funds: The National Natural Science Foundation of China Innovation Research Group Project (61621005), The National Key RD Program of China (2016YFE0200400), The Key RD Program of Shaanxi Province (2017KW-ZD-12)

Received Date: 2018-02-10
Rev Recd Date: 2018-04-20
Publish Date: 2018-04-28

Abstract

Abstract

The ground clutter of sidelooking Multiple-Input Multiple-Output (MIMO) bistatic radar has severe problems of range-dependence and clutter spectrum spreading. In this paper, the clutter characteristics of bistatic airborne radars are analyzed and a method of range-ambiguous clutter suppression is proposed. This method employs the range-dependent phase term in the traditional MIMO bistatic radar to provide extra degrees of freedom. The range information of the phase term enables clutter separation with different ranges and consequent suppression. Thus, a range-ambiguous clutter suppression for bistatic airborne early warning radars is achieved. The simulation results show the accuracy of the method. By a comparison with the existing Doppler Warping (DW) and clutter suppression method with the Improved Factor (IF) line, the results showed that the method has better performance, which proved the effectiveness of ambiguous clutter suppression in MIMO bistatic radars.
- MIMO radar,
- Bistatic system,
- Frequency diverse array,
- Range ambiguity clutter suppression

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References(18)

References

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