科研项目：

1. 基于杂波稀疏性的机载TS-MIMO雷达空时自适应处理方法研究, 国家自然科学基金面上基金, 2019.01~2022.12，58万, 负责人

2. 非理想条件下基于联合稀疏恢复的机载雷达杂波抑制方法研究, 国家自然科学基金青年基金, 2016.01~2018.12,21万,负责人

3. 机载共形阵雷达信号处理关键技术研究, 湖北省自然科学基金, 2016.01~2017.12,5万,负责人

4. 基于稀疏恢复理论的相控阵机载雷达杂波抑制方法研究, 中国博士后面上资助项目, 2014.06~2016.12,5万,负责人

5. 三维机会阵STAP技术研究, 中国电子科技集团公司第14研究所, 2017.01~2018.12,29.5万,负责人

6. 太阳能机载雷达数据处理技术研究,中科院电子所, 2019.11~2020.11,30万,负责人

7. 天基预警雷达杂波模拟器, 中国电子科技集团公司电子科学研究院, 2016.01~2016.12,10万,负责人

8.基于稀疏表示的宽窄体制气球载雷达成像理论与方法研究, 国家自然科学基金面上基金, 2017.01~2020.12,70万,主要完成人

9. 高速平台目标检测方法研究, 国家自然科学基金重点项目, 2007.01~2011.12, 200万,主要完成人

在国内外期刊会议发表学术论文近60篇（SCI检索20篇，EI检索24篇） 期刊论文：

1.Keqing Duan, Hong Xu, Huadong Yuan, Hongtu Xie, Yongliang Wang*. Reduced-DOFs three-dimension STAP via subarray synthesis for non-sidelooking planar array airborne radar. IEEE Transactions on Aerospace and Electronic Systems. DOI 10.1109/TAES.2019.2958174. (SCI)

2.Huadong Yuan, Hong Xu, Keqing Duan*, Wenchong Xie. Cross-spectral metric smoothing-based GIP for space-time adaptive processing, IEEE Geoscience and Remote Letters, vol. 16, no. 9, pp. 1388-1392, 2019. (SCI)

3.Keqing Duan, Weijian Liu, Guangqing Duan, Yongliang Wang*. Off-grid effects mitigation exploiting knowledge of the clutter ridge for sparse recovery STAP, IET Radar Sonar & Navigation, vol. 12, no. 5, pp. 557-564, 2018. (SCI)

4.Keqing Duan, Huadong Yuan, Hong Xu, Weijian Liu, Yongliang Wang*. Sparsity-based non-stationary clutter suppression technique for airborne radar, IEEE ACCESS, vol. 6, pp. 56162-56169, 2018. (SCI)

5.Keqing Duan, Zetao Wang, Wenchong Xie, Hui Chen, Yongliang Wang*. Sparsity-based STAP algorithm with multiple measurement vectors via sparse Bayesian learning strategy for airborne radar, IET Signal Processing, vol. 11, no. 5, pp. 544-553, 2017. (SCI)

6.Keqing Duan, Ming Liu, Huanyao Dai, Fang Xu, Weijian Liu*. Two-stage detector for mismatched subspace signal,IEEE Geoscience and Remote Sensing Letters, vol. 14, no. 12, pp. 2270-2274, 2017.(SCI)

7.Keqing Duan*, Wenchong Xie, Yongliang Wang, Weijian Liu, Fei Gao. A deterministic autoregressive STAP approach for nonhomogenerous clutter suppression, Multidimensional Systems and Signal Processing, vol. 27, no. 1, pp. 105-119, 2016.(SCI)

8.Yongliang Wang, Keqing Duan*, Wenchong Xie. Cross Beam STAP for Nonstationary Clutter Suppression in Airborne Radar, International Journal of Antennas and Propogation, vol. 2013, pp. 1-5, 2013.(SCI)

9.Keqing Duan*, Wenchong Xie, Yongliang Wang. Nonstationary clutter suppression for airborne conformal array radar, SCIENCE CHINA Information Sciences, vol. 54, no. 10, pp. 2170-2177, 2011.(SCI)

10.Hong Xu, Keqing Duan, Huadong Yuan, Wenchong Xie, Yongliang Wang. Black Box Variational Inference to Adaptive Kalman Filter with Unknown Process Noise Covariance Matrix, Signal Processing, 169(2020)107413, 2020. (SCI)

11.Huadong Yuan, Hong Xu, Keqing Duan, Wenchong Xie, Weijian Liu, Yongliang Wang. Sparse Bayesian learning-based space-Time adaptive processing with off-grid self-calibration for airborne radar, IEEE ACCESS, vol.6, pp. 47296-47307, 2018.(SCI)

12.Hong Xu, Wenchong Xie, Huadong Yuan, Keqing Duan, Weijian Liu, Yongliang Wang. Fixed-point iteration Gaussian sum filtering estimator with unknown time-varying non-Gaussian measurement noise. Signal Processing, vol. 153, pp. 132-142, 2018.(SCI)

13.Hong Xu, Huadong Yuan, Keqing Duan, Wenchong Xie, Yongliang Wang. An adaptive gaussian sum Kalman filter based on a partial variational Bayesian method. IEEE Transactions on Automatic Control, 2019. to appear. (SCI)

14.Zetao Wang, Wenchong Xie, Keqing Duan, Wang Yongliang. Clutter suppression algorithm based on fast converging sparse Bayesian learning for airborne radar, Signal Processing, vol. 130, pp. 159–168, 2017.(SCI)

15.Zetao Wang, Yongliang Wang, Fei Gao, Keqing Duan. Clutter nulling STAP algorithm based on sparse representation for airborne radar. IET Radar, Sonar & Navigation. vol. 11, no. 1, pp. 177-184, 2017.(SCI)

16.Zetao Wang, Yongliang Wang, Keqing Duan, Wen-chong Xie. Subspace-augmented clutter suppression technique for STAP radar, IEEE Geoscience and Remote Sensing Letters, vol. 13, no. 3, pp. 462-466, 2016.(SCI)

17.Weijian Liu, Jun Liu, Libao Wang, Keqing Duan, Zhao Chen, Yongliang Wang, Adaptive array detection in noise and completely unknown jamming, Digital Signal Processing, vol. 46, pp. 41-48, 2015.(SCI)

18.Wei-jian Liu, Wenchong Xie , Qianping Zhang, Rongfeng Li, Keqing Duan, Yongliang Wang, A doubly parameterized detector for mismatched signals, Chinese Journal of Electronics, vol. 24, no. 1, pp. 152-156, 2015.(SCI)

19.Wenchong Xie, Baihua Zhang, Yongliang Wang, Yong Zhu, Keqing Duan, Rongfeng Li. Range ambiguity clutter suppression for bistatic STAP radar, EURASIP Journal on Advances in Signal Processing, vol. 75, no. 1, pp. 125-129, 2013.(SCI)

20.Wenchong Xie, Keqing Duan, Fei Gao, Yongliang Wang, Zenghui Zhang. Clutter suppression for airborne phased radar with conformal arrays by least squares estimation, Signal Processing, vol. 91, no. 7, pp. 1665-1669, 2011.(SCI)

21.段克清,谢文冲,陈辉,王永良.基于俯仰维信息的机载雷达非均匀杂波抑制方法.电子学报, vol. 39, no. 3, pp. 585-590, 2011.(EI)

22.段克清,谢文冲,王永良,张增辉.一种稳健的共形阵机载雷达杂波抑制方法.电子学报, vol. 39, no. 6, pp. 1321-1326, 2011.(EI)

23.段克清, 袁华东, 许红, 谢文冲, 王永良. 稀疏恢复空时自适应处理技术研究综述. 电子学报, vol. 47, no. 3, pp. 748-756, 2019. (EI)

24.段克清, 王泽涛, 谢文冲, 高飞, 王永良. 一种基于联合稀疏恢复的空时自适应处理方法. 雷达学报, vol. 3, no. 2, pp: 229-234.

25.段克清, 谢文冲, 王永良. 共形阵机载雷达杂波非平稳特性及抑制方法研究. 中国科学: 信息科学, vol. 41, no, 12, pp:1507-1516, 2011.

26.段克清, 谢文冲, 王永良, 张增辉. 共形阵机载火控雷达杂波建模与杂波抑制. 系统工程与电子技术, vol. 33, no. 8, pp: 1738-1744, 2011. (EI)

27.段克清, 谢文冲, 王永良. 基于先验知识的降秩STAP方法研究. 国防科技大学学报, vol. 32, no, 2, pp:73-78, 2010. (EI)

28.段克清, 谢文冲, 王永良. 非均匀环境下机载雷达STAP方法. 数据采集与处理, vol. 25, no, 5, pp:648-654, 2010.

29.段克清, 谢文冲, 高飞, 王永良. 基于杂波自由度的STAR模型参数估计方法. 信号处理, vol. 25, no, 11, pp:1715-1718, 2009.

30.段克清, 王永良, 谢文冲. 机载相控阵雷达抗压制性噪声干扰方法研究. 现代雷达vol. 31, no, 11, pp:81-85, 2009.

31.周必雷, 王永良, 段克清, 戴凌燕, 李荣锋, 陈风波. 一种主瓣干扰环境下的雷达目标参数”同维”稀疏估计方法. 电子学报, vol. 47, no. 6, pp. 1201-1208, 2019. (EI)

32.王泽涛, 段克清, 谢文冲, 王永良. 基于SA-MUSIC理论的联合稀疏恢复STAP算法. 电子学报, vol. 43, no. 5, pp. 847-853, 2015. (EI)

33.周必雷,李荣锋, 段克清, 王永良, 刘维建, 陈风波. 一种基于稀疏重构的主瓣拖曳式干扰抑制方法. 中国科学: 信息科学, vol. 49, no. 7, pp. 838-852, 2019.

34.周必雷, 段克清, 李荣锋, 王永良,戴凌燕, 陈风波. 一种强主瓣压制干扰环境下的雷达目标距离-角度联合稀疏恢复估计方法. 中国科学: 信息科学, vol. 48, no. 12, pp. 1634-1650, 2018.

35.谢文冲, 段克清, 王永良. 机载雷达空时自适应处理技术研究综述. 雷达学报, vol. 6, no. 6, pp: 575-586. 2017.

36.王永良, 刘维建, 谢文冲, 段克清, 高飞, 王泽涛. 机载雷达空时自适应检测方法研究进展. 雷达学报, vol. 3, no. 2, pp: 201-207, 2014.

申请国家/国防发明专利20项（已授权8项）