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SCIENCE CHINA Information Sciences, Volume 63, Issue 8: 189304(2020) https://doi.org/10.1007/s11432-019-2641-2

Wald tests for signal detection when uncertainty exists in a target's spatial-temporal steering vector

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  • ReceivedJun 23, 2019
  • AcceptedAug 30, 2019
  • PublishedMay 14, 2020

Abstract

There is no abstract available for this article.


Acknowledgment

This work was supported by National Natural Science Foundation of China (Grant No. 61501505), Natural Science Foundation of Hubei Province (Grant No. 2017CFB589), and National Natural Science Foundation of China and Civil Aviation Administration of China (Grant No. U1733116).


References

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  • Figure 1

    (Color online) Detection performance of the SNRGDD. Detection threshold of the SNRGDD vs. $\sigma^2$ (a)protectłinebreak and $\rho$ (b). (c) Pds of the detectors. The parameters are $\text{PFA}={10^{~-~3}}$, $L~=~2N$, $J~=~2$, $M~=~2$, $K~=~8$, ${\boldsymbol~A}=~$ $[\dot\abf(0.15),\dot\abf(0.15873)]$, and ${\boldsymbol~C}=~[\dot{\boldsymbol~b}(0.34),\dot{\boldsymbol~b}(0.42)]^{\rm~T}$. In (a),protectłinebreak $\rho~=~0.95$, in (b), $\sigma^2~=~1$, and in the $\text{GLRT}_0$ of (c), $\abf=\dot\abf(0.15)$ and ${\boldsymbol~b}=\dot{\boldsymbol~b}(0.34)$.

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