作者： Zhong-Liu Liu;Bao Lei;Zhi-Li Zhu;Lei Tao;Jing Qi;De-Liang Bao;Xu Wu;Li Huang;Yu-Yang Zhang;Xiao Lin;Ye-Liang Wang;Shixuan Du;Sokrates T Pantelides;Hong-Jun Gao （Institute of Physics and University of Chinese Academy of Sciences , Chinese Academy of Sciences , Beijing 100190 , China. Department of Physics and Astronomy , Vanderbilt University , Nashville , Tennessee 37235 , United States. CAS Center for Excellence in Topological Quantum Computation , Beijing 100049 , China. School of Information and Electronics , Beijing Institute of Technology , Beijing 100081 , China.）

出处： Nano letters 2019

关键词： VSe2;dispersive adsorption;one-dimensional pattern;reversible transformation;single atom catalysts;two-dimensional materials

摘要： Creation of functional patterns in two-dimensional (2D) materials provides opportunities to extend their potential for applications. Transition-metal ...

作者： Jian Liu;Sheng Meng;Jia-Tao Sun （Beijing National Laboratory of Condensed Matter Physics, and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, P. R. China School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, P. R. China § Collaborative Innovation Center of Quantum Matter, Beijing, 100190, P. R. China ∥ Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, P. R. China ⊥ School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, P. R. China）

出处： Nano Letters 2019 Vol.19 No.5 P3321-3326

关键词： nontrivial magnetic configuration;quantum anomalous Hall effect;quantum spin Hall effect;Two-dimensional antiferromagnetic material

摘要： The topological states of matter arising from the nontrivial magnetic configuration provide a better understanding of physical properties and function ...

作者： Xiaopeng Yang;Yuze Sun;Jian Yang;Teng Long;Tapan K. Sarkar （School of Information and Electronics, Beijing Institute of Technology, Beijing, China;Department of Electronic Engineering, Tsinghua University, Beijing, China;Department of Electronic Engineering, Tsinghua University, Beijing, China;School of Information and Electronics, Beijing Institute of Technology, Beijing, China;Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse, NY, USA）

出处： IEEE Access 2019 Vol.7 P26740-26751

关键词： Clutter;Covariance matrices;Estimation;Arrays;Interference suppression;Phased arrays;Discrete interference suppression;nonhomogeneous clutter;sparse Bayesian learning (SBL);STAP

摘要： Discrete interference influences the performance of existing space-time adaptive processing methods in practical scenarios. In order to effectively su ...

作者： Yonggang Shi;Kun Cheng;Zhiwen Liu （Beijing Institute of Technology, Institute of Signal and Image Processing, School of Information and Electronics, Haidian District, Beijing, 100081, China. ygshi@bit.edu.cn. Beijing Institute of Technology, Institute of Signal and Image Processing, School of Information and Electronics, Haidian District, Beijing, 100081, China.）

出处： Biomedical engineering online 2019 Vol.18 No.1 P5

关键词： Fully convolution networks (FCNs);Generative adversarial networks;Hippocampal subfields segmentation;Semantic segmentation;UG-net

摘要： Segmenting the hippocampal subfields accurately from brain magnetic resonance (MR) images is a challenging task in medical image analysis. Due to the ...

作者： Yuanhao Li;Dongyang Ao;Corneliu Octavian Dumitru;Cheng Hu;Mihai Datcu （1.School of Information and Electronics,Beijing Institute of Technology,Beijing,China;2.EO Data Science Department,German Aerospace Center (DLR),Wessling,Germany）

出处： Science China Information Sciences 2019 Vol.62 No.10

作者： Yuling Luo;Xue Ouyang;Junxiu Liu;Lvchen Cao （School of Electronic Engineering, Guangxi Normal University, Guilin, China;School of Electronic Engineering, Guangxi Normal University, Guilin, China;School of Electronic Engineering, Guangxi Normal University, Guilin, China;School of Information and Electronics, Beijing Institute of Technology, Beijing, China）

出处： IEEE Access 2019 Vol.7 P38507-38522

关键词： Encryption;Elliptic curves;Elliptic curve cryptography;DNA;Chaotic communication;SHA-512 hash;elliptic curve ElGamal encryption;chaos game;crossover permutation

摘要： Due to the potential security problem about key management and distribution for the symmetric image encryption schemes, a novel asymmetric image encry ...

作者： Xinhua Su;Ran Tao;Xuejing Kang （b Beijing Key Laboratory of Fractional Signals and Systems, Beijing 100081, China a School of Information and Electronics, Beijing Institute of Technology, Beijing, China c Institute of Sensing Technology and Business, Beijing University of Posts and Telecommunications, Beijing 100876, China）

出处： Signal Processing 2019 Vol.160 P284-298

关键词： Fractional fourier transform;Linear canonical transform;Eigenvector decomposition;Commuting matrices

摘要： The fractional Fourier transform (FRFT) is a powerful tool for time-varying signal analysis. There exist various discrete fractional Fourier transform ...

作者： Yougen Xu;Yulin Huang;Junfeng Liu;Zhiwen Liu （1 School of Information and Electronics, Beijing Institute of Technology, Beijing, People's Republic of China）

出处： IET Microwaves, Antennas & Propagation 2019

摘要： In widely linear beamforming, the second-order non-circularity property exhibited by the signal-of-interest (SOI) can be exploited to improve interfer ...

作者： Gong, Shiqi;Xing, Chengwen;Ma, Shaodan;Zhang, Zhongshan;Fei, Zesong （1 Department of Electrical and Computer Engineering, University of Macau, Taipa, Macao, China 2 School of Information and Electronics, Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Vehicular Technology 2019

关键词： Array signal processing;Delay lines;MIMO communication;OFDM;Relays;Secure wideband beamforming design;tapped delay lines;two-way MIMO relaying systems;Wideband;Wireless communication

摘要： In this paper, secure wideband beamforming design is investigated for two-way multiple-input multiple-output (MIMO) relaying systems with one eavesdro ...

作者： Hu, Xueyao;Li, Yang;Lu, Man;Wang, Yanhua;Yang, Xiaopeng （1 Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China 2 Beijing Racobit Electronic Information Technology Co., Ltd, Beijing, China）

出处： IEEE Transactions on Vehicular Technology 2019

关键词： Automotive radar;Azimuth;Chirp;compressed sensing (CS);Doppler effect;Frequency modulation;frequency-modulated continuous-wave (FMCW) chirp sequence;MIMO communication;multiple carrier frequencies;Radar;Time division multiplexing;time-division multiplexing multiple-input multiple-output (TDM-MIMO)

摘要： The collocated time-division multiplexing (TDM) multiple-input multiple-output (MIMO) technique and frequency-modulated continuous-wave (FMCW) chirp s ...