2010年10月～2012年12月   南京理工大学博士后流动站     博士后研究员

2013年01月～至今                南京理工大学电子工程与光电学院     副教授

2018年10月～2019年10月    美国圣路易斯华盛顿大学电子与系统工程系    访问研究员

多次荣获年度先进科技工作者称号。

IEEE 信号处理协会、航空电子协会、通信协会会员，担任IEEE Transactions on Information Theory (信息论领域顶刊), IEEE Transactions on Signal Processing (信号处理领域顶刊)，IEEE Transactions on Aerospace and Electronic Systems(雷达电子系统领域顶刊), IEEE Transactions on Communications (通信领域顶刊)，Signal Processing (欧洲信号处理协会会刊)等国际知名期刊审稿人。

主持和参与的部分国家级科研项目：

1、国家自然科学基金项目“基于雷达波形和压缩感知核联合优化的sub-Nyquist认知雷达”。

2、国家自然科学基金项目“多带射频信号的正交压缩采样研究”。

3、国家自然科学基金项目“N路信号的M路压缩采样（M<N）”。

4、国家自然科学基金项目“正交压缩采样理论与实践”。

5、国家自然科学基金项目“基于混沌动力学系统的压缩采样”。

6、国家自然科学基金项目“基于小世界网络的传感器网络研究”。

详细论文列表见谷歌学术主页https://scholar.google.com/citationsuser=ifIhRFcAAAAJ&hl=zh-CN

代表性论文如下：

期刊论文: 

[J29] Feng Xi, Yijian Xiang, Zhen Zhang, Shengyao Chen, and Arye Nehorai, "Joint angle and Doppler frequency estimation for MIMO radar with one-bit sampling: a maximum likelihood-based method," to appear in IEEE Trans. on Aerospace and Electronic Systems.

[J28] Huizhang Yang, Chenzhi Chen, Shengyao Chen, Feng Xi, Zhong Liu, "Interferometric Phase Retrieval for Multimode InSAR via Sparse Recovery", to appear in IEEE Transactions on Geoscience and Remote Sensing.

[J27] Shengyao Chen, Zhiyong Cheng, Huizhang Yang, Feng Xi, Zhong Liu, "Sub-Nyquist sampling with independent measurements", Signal Processing, vol 170, 107435, May 2020.

[J26] Feng Xi, Yijian Xiang, Shengyao Chen, and Arye Nehorai, "Gridless parameter estimation for one-bit MIMO radar with time-varying thresholds," IEEE Trans. on Signal Processing, vol. 68, no. 1, pp. 1048-1063, 2020.

[J25] Shengyao Chen, Zhiyong Cheng, Chao Liu, Feng Xi, "A blind stopping condition for orthogonal matching pursuit with application to compressive sensing radar," Signal Processing, vol. 165, pp.331-342, Dec. 2019.

[J24] Lei Lei, Feng Xi, Shengyao Chen, "Finger-Vein Image Enhancement Based on Pulse Coupled Neural Network," IEEE Access, vol.7, pp. 57226 - 57237, May 2019.

[J23] Huizhang Yang, Chengzhi Chen, Shengyao Chen, Feng Xi, "Sub-Nyquist SAR via quadrature compressive sampling with independent measurements," Remote Sensing, Vol. 11, Issue 4, February 2019.

[J22] Chao Liu, Shengyao Chen, Feng Xi, Zhong Liu, "Block sparse representation and suppression of narrow-band interference signals for quadrature compressive sampling radar," Signal Processing, vol.150, pp.135-144, September 2018.

[J21] Shengyao Chen, Feng Xi, "Cramer-Rao bounds for the joint delay-Doppler estimation of compressive sampling pulse-Doppler radar," Journal of Systems Engineering and Electronics, vol.29, pp.58-66, February 2018.

[J20] Shengyao Chen, Feng Xi, Zhong Liu, "A general and yet efficient scheme for sub-Nyquist radar processing," Signal Processing, vol.142, pp.206-211, January 2018.

[J19] Shengyao Chen, Feng Xi, "Quadrature compressive sampling for multiband radar echo signals," IEEE Access, vol.5, pp.19742-19760, September 2017.

[J18] Shengyao Chen, Feng Xi, Zhong Liu, "A general sequential delay-Doppler estimation scheme for sub-Nyquist pulse-Doppler radar," Signal Processing, vol.135, pp.210-217, June 2017.

[J17] Feng Xi, Shengyao Chen, Yimin D. Zhang, Zhong Liu, "Gridless quadrature compressive sampling with interpolated array technique," Signal Processing, vol.133, pp.1-12, April 2017.

[J16] Chao Liu, Shengyao Chen, Feng Xi, "Anti-jamming pulse diversity radar with quadrature compressive sampling (in Chinese)," Scientia Sinica Informationis, vol.47, pp.99-113, January 2017.

[J15] Suling Zhang, Feng Xi, Shengyao Chen, Yimin D. Zhang, Zhong Liu, "Segment-sliding reconstruction of pulsed radar echoes with sub-Nyquist sampling," Science China Information Sciences, vol.59, 122309, December 2016.

[J14] Suling Zhang, Feng Xi, Shengyao Chen, Zhong Liu, "A real-time reconstruction scheme of pulsed radar echoes with quadrature compressive sampling (in Chinese)," Journal of Electronics and Information Technology, vol.38, pp.1064-1071, May 2016.

[J13] Shengyao Chen, Feng Xi, Zhong Liu, "Time delay estimation of off-grid targets for quadrature compressive sampling radar (in Chinese)," Acta Electronica Sinica, vol.43, 2352-2359, December 2015.

[J12] Li Sun, Hong Hong, Yusheng Li, Chen Gu, Feng Xi, Changzhi Li, Xiaohua Zhu, "Noncontact vital sign detection based on stepwise atomic norm minimization," IEEE Signal Processing Letters, vol.22, pp.2479-2483, December 2015.

[J11] Heng Zhao, Hong Hong, Li Sun, Feng Xi, Changzhi Li, Xiaohua Zhu, "Accurate DC offset calibration of Doppler radar via non-convex optimisation," Electronics Letters, vol.51, pp.1282-1284, August 2015.

[J10] Li Sun, Yusheng Li, Hong Hong, Feng Xi, Weidong Cai, Xiaohua Zhu, "Super-resolution spectral estimation in short-time non-contact vital sign measurement," Review of Scientific Instruments, vol.86, 044708, April 2015.

[J09] Chao Liu, Feng Xi, Shengyao Chen, Yimin D Zhang, Zhong Liu, "Pulse-doppler signal processing with quadrature compressive sampling," IEEE Transactions on Aerospace and Electronic Systems, vol.51, 1217-1230, April 2015.

[J08] Feng Xi, Shengyao Chen, Zhong Liu, "Quadrature compressive sampling for radar signals," IEEE Transactions on Signal Processing, vol.62, 2787 - 2802, June 2014.

[J07] Feng Xi, Shengyao Chen, Zhong Liu, "Chaotic analog-to-information conversion: principle and reconstructability with parameter identifiability," International Journal of Bifurcation and Chaos, vol.23, 1350198, December 2013.

[J06] Shengyao Chen, Feng Xi, Zhong Liu, "Chaotic analogue-to-information conversion with chaotic state modulation," IET Signal Processing, vol.8, 373-380, October 2013.

[J05] Shengyao Chen, Feng Xi, Zhong Liu, "Supreme local Lyapunov exponents and chaotic impulsive synchronizationn," International Journal of Bifurcation and Chaos, vol.23, 1350169, October 2013.

[J04] Feng Xi, Shengyao Chen, Zhong Liu, "Chaotic analog-to-information conversion: Sparse signal reconstruction with multiple shooting method (in Chinese)," Journal of Electronics and Information Technology, vol.35, 608-613, March 2013.

[J03] Shengyao Chen, Feng Xi, Zhong Liu, "Comment on 'Modified impulsive synchronization of hyperchaotic systems'," Communications in Nonlinear Science and Numerical Simulations, vol.18, 219-219, January 2013.

[J02] Zhong Liu, Shengyao Chen, Feng Xi, "A compressed sensing framework of frequency-sparse signals through chaotic system," International Journal of Bifurcation and Chaos, vol.22, 1250151, June 2012.

[J01] Feng Xi, Jin He, Zhong Liu, "Adaptive fast consensus algorithm for distributed sensor fusion," Signal Processing, vol.90, 1693-1699, May 2010.

会议论文: 

[C09] Huizhang Yang, Shengyao Chen, Feng Xi, Zhong Liu, "Quadrature compressive sampling SAR imaging," 2018 International Geoscience and Remote Sensing Symposium - IGARSS 2018, Valencia, Spain, July 2018. 

[C08] Feng Xi, Shengyao Chen, "Super-resolution pulse-Doppler radar sensing via one-bit sampling," The Tenth IEEE Sensor Array and Multichannel Signal Processing Workshop - SAM 2018, Sheffield, UK, July 2018.

[C07] Feng Xi, Shengyao Chen, Zhong Liu, "Super-resolution delay-Doppler estimation for sub-Nyquist radar via atomic norm minimization," IEEE 2017 International Conference on Acoustics, Speech, and Signal Processing - ICASSP 2017, New Orleans, Louisiana, March 2017.

[C06] Suling Zhang, Feng Xi, Shengyao Chen, Yimin D Zhang, Zhong Liu, "A segment-sliding reconstruction scheme for pulsed radar echoes with sub-Nyquist sampling," IEEE 2016 International Conference on Acoustics, Speech, and Signal Processing - ICASSP 2016, Shanghai, China, March 2016.

[C05] Chao Liu, Feng Xi, Shengyao Chen, Zhong Liu, "Anti-jamming target detection of pulsed-type radars in QuadCS domain," IEEE 2015 International Conference on Digital Signal Processing - DSP 2015, Singapore, July 2015.

[C04] Shengyao Chen, Feng Xi, Zhong Liu, Bocheng Bao, "Quadrature compressive sampling of multiband radar signals at sub-Landau rate,"  IEEE 2015 International Conference on Digital Signal Processing - DSP 2015, Singapore, July 2015.

[C03] Chao Liu, Feng Xi, Shengyao Chen, Zhong Liu, "A pulse-Doppler processing scheme for quadrature compressive sampling radar,"  IEEE 2014 International Conference on Digital Signal Processing - DSP 2014, Hong Kong, China, August 2014.

[C02] Feng Xi, Shengyao Chen, Zhong Liu, "Quadrature compressive sampling for radar signals: output noise and robust reconstruction," IEEE 2014 China Summit & International Conference on Signal and Information Processing - ChinaSIP 2014, Xi'an, China, July 2014.

[C01] Feng Xi, Shengyao Chen, Zhong Liu, "Quadrature compressive sampling for radar echo signals,"  IEEE 2014 International Conference on Wireless Communications and Signal Processing - WCSP 2014, Nanjing, China, November 2011.

团队主要开展面向雷达应用的信号信息处理技术研究，近年来在压缩感知理论、新体制雷达和智能信息处理等领域取得了一系列科研成果，相关工作已在IEEE Trans. Signal Process., Signal Processing, IEEE Trans. Aerospace and Electronic Systems等国际知名期刊发表。研究成果可广泛应用于国土防卫、资源探测、智能出行、健康医疗等领域，受到学术和企业界广泛关注。

讲授研究生课程《Digital Signal Processing》（全英文课程），博士生课程《现代数字信号处理》，本科生课程《DSP应用技术》、《雷达系统与原理》等。

团队支持和鼓励学生参加国际国内学术会议。

上图为2023年学生赴希腊参加ICASSP2023会议。

团队支持和推荐在校学生赴互联网大厂进行实习和实践。当前研二学生有赴Intel亚洲实验室、字节跳动、京东等实习经历。

已毕业学生就业方向主要包括华为、中兴、滴滴、中移动等通信、互联网企业，大型国企和国防科研院所等。

团队与国内外多所高校在科研协作与人才培养等方面建立合作，优秀学生可推荐至合作高校联合培养。

团队与工业界建立良好合作，可联系企业导师为项目提供实际指导，优秀学生可推荐实习或就业机会。

团队科研经费充足，支持学生赴国（境）外参加国际学术会议或开展合作研究。