作者: Fengyu Wang1;Jing Tian1;Wei Cui1; (1School of Information and Electronics, Beijing Institute of Technology, Beijing, China)
出处: IEEE Transactions on Aerospace and Electronic Systems 2023 P1-21
关键词: Spread spectrum communication;Doppler effect;Heuristic algorithms;Antenna measurements;Signal to noise ratio;Costs;Computational complexity
摘要: In direct sequence spread spectrum (DSSS) systems, the multipath effect (MPE) is known to be one of the most important factors to degrade measurement ...
作者:
Xuming Zhang1;Jian Yan2;Jia Tian1;Wei Li3;Xingfa Gu2;Qingjiu Tian1;
出处: GIScience & Remote Sensing 2023 Vol.60 No.1 P2225273
关键词: Deep learning;fully convolutional network;features extraction;sampling strategy
摘要: Deep learning techniques with remarkable performance have been successfully applied to hyperspectral image (HSI) classification. Due to the limited av ...
作者: Wei Li1;Yinjian Wang1;Na Liu1;Chenchao Xiao2;Zhiwei Sun3;Qian Du4; (1School of Information and Electronics, Beijing Institute of Technology, and Beijing Key Laboratory of Fractional Signals and Systems, Beijing, China 2Ministry of Natural Resources China, Land Satellite Remote Sensing Application Center, Beijing, China 3Beijing Geoway Information Technology Co., Ltd, Beijing, China 4Department of Electrical and Computer Engineering, Mississippi State University, Starkville, MS, USA)
出处: IEEE Transactions on Geoscience and Remote Sensing 2023 P1
关键词: Tensors;Matrix decomposition;Computational modeling;Hyperspectral imaging;Machine learning;Three-dimensional displays;Spatial resolution
摘要: Although spatio-spectral and spatio-temporal fusion has been well explored, few efforts are made on integrating spatio-spectral-temporal features. As ...
作者: Mingda Liu12;Haiqiang Niu12;Zhenglin Li3;Yonggang Guo12;Yining Liu4;Jingben Liu1;Shuanglin Wu1;Leixin Nie12; (1State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing, 100190, People\'s Republic of China;2University of Chinese Academy of Sciences, Beijing, 100049, People\'s Republic of China;3School of Ocean Engineering and Technology, Sun Yat-sen University, Zhuhai, 519000, People\'s Republic of China;4School of Information and Electronics, Beijing Institute of Technology, Beijing, 100190, People\'s Republic of China)
出处: Journal of Physics: Conference Series 2023 Vol.2486 P012068
摘要: Machine learning (ML) has been widely applied to ocean acoustic source localization. The localization problem is often regarded as a classification pr ...
作者: Ming Lv1;Liangliang Li2;Qingxin Jin3;Zhenhong Jia1;Liangfu Chen4;Hongbing Ma5; (1 College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China. 2 School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China. 3 School of Mechanical Engineering, Guangxi University, Nanning 530004, China. 4 State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China. 5 Department of Electronic Engineering, Tsinghua University, Beijing 100084, China.)
出处: Sensors (Basel, Switzerland) 2023 Vol.23 No.13 P6135
关键词: distance-weighted regional energy;image fusion;multi-focus image;non-subsampled contourlet transform;structure tensor.
摘要: In this paper, a multi-focus image fusion algorithm via the distance-weighted regional energy and structure tensor in non-subsampled contourlet transf ...
作者: 郭东文,吴爽,崔嵬 (北京理工大学信息与电子学院)
出处: 北京理工大学学报 2023 第43卷 第6期 P633-639
关键词: 伪码连续波;时钟偏差;主动应答式双向测量;测量波动
摘要: 面向空间交会对接任务中高精度测量需求,针对现有伪码连续波主动应答式双向测量系统中采样时钟偏差引入测量波动问题,提出了一种基于多级滤波的测量波动优化方法.仿真结果证明,经过多级滤波后,测量波动的峰值降低了两个数量级,得到了有效抑制.暗室的实测数据结果进一步验证了优化方法的有效性.
作者: 朱欣怡,张宇 (北京理工大学信息与电子学院)
出处: 系统工程与电子技术 2023 第45卷 第7期 P2227-2235
关键词: 移动自组织网络;内容流行度;位置信息;协助边缘缓存
摘要: 命名数据网络(named data network, NDN)中一些传统缓存放置策略不能高效地利用移动自组织网络中有限的缓存资源,为提高缓存空间利用率,减小数据传输时延,提出一种基于内容流行度的协助边缘缓存策略。将NDN链路状态路由协议应用于移动自组织网络中进行路由寻址,各路由器实时统计本节点处的数 ...
作者: Wu, Jin-Min1; Jiang, Sheng1; Lu, Ming-Feng2, 3; Fan, Jun-Fang1; Li, Ya-Feng1; Zhang, Feng2, 3; Tao, Ran2, 3 (1School of Automation, Beijing Information Science and Technology University, Beijing; 100192, China;2School of Information and Electronics, Beijing Institute of Technology, Beijing; 100081, China;3Beijing Key Laboratory of Fractional Signals and Systems, Beijing; 100081, China)
出处: SSRN 2023
作者: Shi, Hao1; He, Hailian2; Huang, Shaotong1; Yu, Haiyun1; Fan, Jiafei1; Lei, Wenhao1; Dong, Ze2 (1Huaqiao University, College of Information Science and Engineering, Xiamen; 361021, China;2Beijing Institute of Technology, School of Information and Electronics, Beijing; 100081, China)
出处: IEEE Photonics Technology Letters 2023 Vol.Vol.35 No.No.3 P144-147
作者: Zhou, Sitong1, 2, 3; Liu, Xinyu1, 2, 3; Gao, Ran1, 2, 3, 4; Jiang, Ziyun1; Zhang, Han5; Xin, Xiangjun1, 2, 3, 6 (1School of Information and Electronics, Beijing Institute of Technology, Beijing; 100081, China;2State Key Laboratory of Information Photonics and Optical Communications, BUPT, Beijing; 100876, China;3Beijing Key Laboratory of Space-Ground Interconnection and Convergence, BUPT, Beijing; 100876, China;4Yangtze Delta Region Academy, Beijing Institute of Technology, Jiaxing; 314000, China;5Institute of Acoustics, Chinese Academy of Sciences, Beijing; 100190, China;6School of Electronic Engineering, Beijing University of Posts and Telecommunications (BUPT), Beijing; 100876, China)
出处: Optics Letters 2023 Vol.Vol.48 No.No.2 P464-467