Jamming Technique of Multiple False Targets Against CFAR Detection in SAR Images

FANG Mingxing; BI Daping; SHEN Aiguo; LIU Qian

doi:10.11999/JEIT160633

Volume 39 Issue 4

Apr. 2017

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Article Navigation > Journal of Electronics & Information Technology > 2017 > 39(4): 973-980

FANG Mingxing, BI Daping, SHEN Aiguo, LIU Qian. Jamming Technique of Multiple False Targets Against CFAR Detection in SAR Images[J]. Journal of Electronics & Information Technology, 2017, 39(4): 973-980. doi: 10.11999/JEIT160633

Citation:

FANG Mingxing, BI Daping, SHEN Aiguo, LIU Qian. Jamming Technique of Multiple False Targets Against CFAR Detection in SAR Images[J]. Journal of Electronics & Information Technology, 2017, 39(4): 973-980. doi: 10.11999/JEIT160633

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Jamming Technique of Multiple False Targets Against CFAR Detection in SAR Images

doi: 10.11999/JEIT160633

1.
(Electronic Engineering Institute, Hefei 230037, China)
2.
(National Defense Information Academy, Wuhan 430000, China)

Funds:

The National Natural Science Foundation of China (61171170)

Received Date: 2016-06-15
Rev Recd Date: 2016-11-02
Publish Date: 2017-04-19

Abstract

Abstract

In order to destroy the detection performance of Constant False Alarm Rate (CFAR) detection system in SAR images, a new multiple false targets method based on intermittent sampling and periodic repeater jamming is proposed. The new method can solve the disadvantages of less false targets and lower jamming power utilization rate from traditional intermittent sampling direct repeater jamming. Then, the jamming performance of multiple false targets against Bi-Parameter CFAR (BP-CFAR) detection in SAR images is analyzed in details. The research result shows that multiple false targets can raise the detection threshold and weaken the detection performance of BP-CFAR. Finally, according to the characteristic of CFAR detection window, the application model of multiple jammers is established. The model can produce 2-D netted multiple false targets, so it can effectively guarantee enough false targets in detection window. Theoretical analysis and computer simulation justify the validity and the efficiency.
- SAR,
- Bi-Parameter Constant False Alarm Rate (BP-CFAR),
- Multiple false targets,
- Intermittent sampling and periodic repeater

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References(28)

References

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