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作品数：621被引量：1359H指数：15
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Self-attention reinforcement learning for multi-beam combining in mmW ave 3D-MIMO systems
《Science China(Information Sciences)》2023年第6期200-217,共18页Yingzhi HUANG Zhaoyang ZHANG Jingze CHE Zhaohui YANG Qianqian YANG Kai-Kit WONG 
supported in part by National Key R&D Program of China (Grant Nos.2020YFB1807101,2018YFB1801104);National Natural Science Foundation of China (Grant Nos.61725104,U20A20158,61922071)。
Machine learning(ML)has been empowering all aspects of the wireless communication system design,among which,the reinforcement learning(RL)-based approaches have attracted a lot of research attention since they can int...
关键词：reinforcement learning(RL) deep deterministic policy gradient(DDPG) self-attention precoding/combining millimeter-wave(mmWave) multi-input multi-output(MIMO) 
Automatic target recognition combining angular diversity and time diversity for multistatic passive radar被引量：1
《Science China(Information Sciences)》2022年第7期267-268,共2页Xiaomao CAO Jianxin YI Ziping GONG Xianrong WAN 
supported by National Natural Science Foundation of China (Grant Nos. 61931015,62071335, 61831009);in part by Technological Innovation Project of Hubei Province of China (Grant No. 2019AAA061)。
Dear editor, The radar cross section-based (RCS-based) method is an important research direction in the field of automatic target recognition (ATR) of passive radars [1–5]. Due to the unknown transmitting parameters ...
关键词：PASSIVE EDITOR RECOGNITION 
Development status of high power fiber lasers and their coherent beam combination被引量：24
《Science China(Information Sciences)》2019年第4期52-83,共32页Zejin LIU Xiaoxi JIN Rongtao SU Pengfei MA Pu ZHOU 
supported by National Natural Science Foundation of China (Grant Nos. 61705264, 61705265)
High-power fiber laser has been emerged great potential in a wide range of applications and becomes a robust candidate for high energy solid state laser system. To further increase the output brightness of single-chan...
关键词：FIBER LASERS and AMPLIFIERS nonlinear effects and mode INSTABILITY COHERENT beam COMBINING passive components 2μm FIBER LASERS 
Multi-objective network optimization combining topology and routing algorithms in multi-layered satellite networks
《Science China(Information Sciences)》2018年第8期233-235,共3页Zhuoming LI Huiyun XIA Yu ZHANG Junqing QI Shaohua WU Shushi GU 
supported by National Science and Technology Major Project of China(Grant No.2013ZX03005007-004);National Natural Science Foundation of China(Grant No.61671179)
Dear editor,In satellite communication studies,the multilayered satellite network(MLSN)can take advantage of both wide coverage and low time delay.Furthermore,the issue of stable networking and
关键词：NET Multi-objective network optimization combining topology and routing algorithms in multi-layered satellite networks 
An effective method for grasp planning on objects with complex geometry combining human experience and analytical approach被引量：1
《Science China(Information Sciences)》2016年第11期166-177,共12页Chunfang LIU Fuchun SUN Xiaojuan BAN 
supported by National Natural Science Foundation of China (Grant Nos. 61210013, 61327809, 91420302, 91520201)
In this paper, an effective method for identifying the graspable components of objects with complex geometry is proposed for grasp planning based on human experience. Instead of focusing on individual objects, our met...
关键词：grasp planning human experience analytical method kinematics learning ELM 
A memristor-based architecture combining memory and image processing被引量：3
《Science China(Information Sciences)》2014年第5期179-190,共12页ZHOU Jing YANG XueJun WU JunJie ZHU Xuan FANG XuDong HUANG Da 
supported by Science Fund for Creative Research Groups of National Natural Science Foundation of China(Grant No.60921062)
Image processing is a type of memory-access-intensive application and is applied in many fields. Logic operations are very simple ones in image processing. During these operations, memory access takes a majority of th...
关键词：MEMRISTOR image processing computer architecture read and write circuit logic operation 
3D facial motion tracking by combining online appearance model and cylinder head model in particle filtering被引量：4
《Science China(Information Sciences)》2014年第2期272-278,共7页YU Jun WANG ZengFu 
supported by National Natural Science Foundation of China(Grant No.61303150);Anhui Province Innotiative Funds on Intelligent Speech Technology and Industrialization(Grant No.13Z02008);Fundamental Research Funds for the Central Universities(Grant No.WK2100100020);China Postdoctoral Science Foundation(Grant No.2012M521248);STP of Anhui(Grant No.11010202192)
A 3D facial motion tracking approach has been proposed based on the incorporation of online appearance model （OAM） and cylinder head model （CHM） in the framework of particle filtering. 1） For the construction of ...
关键词：facial motion tracking online appearance model cylinder head model particle filtering informa-tion fusion 
Scene recognition combining structural and textural features被引量：7
《Science China(Information Sciences)》2013年第7期221-234,共14页ZHOU Li HU DeWen ZHOU ZongTan 
supported by the National Natural Science Foundation of China (Grant Nos. 60736018, 60835005);the National Basic Research Program of China (Grant No. 2007CB311001);the New Century Excellent Talents in University (Grant No. NCET-08-0147);the Hunan Provincial Innovation Team Project
Automatic recognition of the contents of a scene is an important issue in the field of computer vision. Although considerable progress has been made, the complexity of scenes remains an important challenge to computer...
关键词：scene recognition structural feature textural feature feature combination weighted histograms of gradient orientation descriptor 
Performance analysis of a noise-normalized FFH/MFSK receiver over Rayleigh fading channels with partial-band noise jamming被引量：1
《Science China(Information Sciences)》2011年第1期129-135,共7页ZHOU ZhiQiang LI ShaoQian CHENG YuFan 
supported by the National Natural Science Foundation of China(Grant No.60502010);National Communication Lab Foundation(Grant No.9140C0204010703);National Foundational Scientific Research Projects(Grant No.A1420080150)
Fast frequency hopping can reduce the degradation caused by interference. The performance of noise-normalized fast frequency-hopped M-ary orthogonal frequency-shift-keying （FFH/MFSK） receivers over frequency nonsele...
关键词：ANTI-JAMMING fast frequency hopping noise normalization combining Rayleigh fading 
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