Wald Tester for Signal Detection in the Presence of Target-induced Interference

YANG Haifeng; XIE Wenchong; TANG Tang; LUO Yuwen; LIU Weijian; WANG Yongliang

doi:10.11999/JEIT161333

Volume 39 Issue 9

Sep. 2017

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Article Navigation > Journal of Electronics & Information Technology > 2017 > 39(9): 2212-2218

YANG Haifeng, XIE Wenchong, TANG Tang, LUO Yuwen, LIU Weijian, WANG Yongliang. Wald Tester for Signal Detection in the Presence of Target-induced Interference[J]. Journal of Electronics & Information Technology, 2017, 39(9): 2212-2218. doi: 10.11999/JEIT161333

Citation:

YANG Haifeng, XIE Wenchong, TANG Tang, LUO Yuwen, LIU Weijian, WANG Yongliang. Wald Tester for Signal Detection in the Presence of Target-induced Interference[J]. Journal of Electronics & Information Technology, 2017, 39(9): 2212-2218. doi: 10.11999/JEIT161333

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Wald Tester for Signal Detection in the Presence of Target-induced Interference

doi: 10.11999/JEIT161333

Funds:

The National Natural Science Foundation of China (61501505, 61501506), Hubei Provincial Natural Science Foundation (2015CFB607)

Received Date: 2016-12-08
Rev Recd Date: 2017-04-19
Publish Date: 2017-09-19

Abstract

Abstract

In radar system, the target-induced interference often arises due to multipath effect or non-ideal transmit waveform of Multiple-Input Multiple-Output (MIMO) radar. For the issue of detecting a target with target-induced interference, the detectors are proposed based on the design criterion of Wald test both in the homogeneous environment and partially homogeneous environment. The proposed detectors are proved to be effective for suppressing the target-induced interference and they can ensure the desirable Constant False Alarm Rate (CFAR) property with respect to the unknown parameters of the noise. Simulation results show that the proposed detectors can suppress the interference effectively when the interference subspace is known, and can suppress the interference lying in the orthogonal complement space of the nominal signal subspace when the interference is completely unknown.
- Adaptive detection,
- Multichannel signal detection,
- Target-induced interference,
- Wald test criterion

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References(24)

References

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