作者：辛红彩¹;，李炳照^2,3; （¹北京电子科技学院密码科学与技术系；²北京理工大学数学与统计学院；³北京理工大学复杂信息数学表征分析与应用北京市重点实验室）

出处：中国科学(信息科学) 2023

关键词：复杂运动目标；InISAR；线性正则变换；成像算法；三维坐标重构

摘要：二维的逆合成孔径雷达（two-dimensional inverse synthetic aperture radar, 2-D ISAR）成像是目标三维（three-dimensional, 3-D）几何结构在成像平面的投影,逐渐难以满足现代工程中目标识别与分类的需求,特别是复杂运动目标.近年来, ...

作者：Zhao, Hui^1,2;Li, Bing-Zhao^1,2; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, China ²Beijing Key Laboratory on MCAACI, Beijing Institute of Technology, Beijing 100081, China）

出处：Digital Signal Processing 2023

关键词：Convolution theorem;Offset linear canonical Hankel transform;Offset linear canonical transform;Polar coordinates;Spatial shift theorem

摘要：Searching for novel signal processing theories and methods has always been a research hotspot in the field of modern signal processing. The existing t ...

作者：Zhang, Yu^1,2;Li, Bing-Zhao^1,2; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, China ²Beijing Key Laboratory on MCAACI, Beijing Institute of Technology, Beijing 100081, China）

出处：Digital Signal Processing 2023

关键词：Eigenvalue decomposition;Graph fractional Fourier transform;Graph signal processing;Linear canonical transform

摘要：With the wide application of spectral and algebraic theory in discrete signal processing techniques in the field of graph signal processing, an increa ...

作者：Fang-Jia Yan¹;Bing-Zhao Li¹;CA1 （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China）

出处：Digital Signal Processing 2022

关键词：Graph Fourier transform;Fractional Fourier transform;Graph signal processing;Multi-dimensional signal processing;Data compression

摘要：Many multi-dimensional signals appear in the real world, such as digital images and data that has spatial and temporal dimensions. Designing a transfo ...

作者：Zhao, Hui^{1, 2}; Li, Bingzhao^{1, 2}; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing; 100081, China;²Beijing Key Laboratory on MCAACI, Beijing Institute of Technology, Beijing; 100081, China）

出处：arXiv 2022

摘要：Sampling theorem for the offset linear canonical transform (OLCT) of bandlimited functions in polar coordinates is an important signal analysis tool i ...

作者：Zhao, Ling-Ling¹;CAa;Li, Bing-Zhao¹;CAb （¹Beijing Institute of Technology, Beijing, China）

出处：ACM International Conference Proceeding Series 2022

关键词：DBSCAN;frequency line detection;image processing;lofargram;passive sonar

摘要：Passive sonar signals are generated by receiving and processing the complex noise of the surrounding environment, so it is very difficult to extract u ...

作者：Zhang, Wen-Yi¹;CAa;Li, Bing-Zhao¹;CAb （¹School of Mathematics and Statistics, Beijing Institute of Technology, China）

出处：ACM International Conference Proceeding Series 2022

关键词：ECG denoising;ECG signal;fractional Fourier domain;LMS filter;SNR

摘要：ECG is a non-stationary electrical signal, and the process of collecting ECG signal inevitably contains various noises. This paper proposed a new meth ...

作者：Yan, Fang-Jia¹;Li, Bing-Zhao¹;CAa （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China）

出处：Digital Signal Processing: A Review Journal 2021

关键词：Graph signal processing;Windowed graph Fourier transform;Fractional Fourier transform;Fast algorithm

摘要：A key challenge in the field of graph signal processing is to design proper transform methods to extract valuable information from signals on weighted ...

作者：闫桂峰，王宏洲，李学文，李炳照 （北京理工大学数学与统计学院）

出处：教育信息技术 2024

关键词：智慧教育；教学方法；知识图谱；OBE理念

摘要：教育的智慧化、数字化建设近年来已经成为各国研究的重要课题，但目前关于软硬件解决方案的讨论较多，而一线教师仍然缺少开展智慧教育的清晰路径。文章从教师的视角出发，分析了智慧教育的实质，总结了智慧教育建设的“三个能力”，并详细阐述了搭建智慧教育体系的“五步走”方法，为教师参与智慧教育建设工作提供了借鉴。