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检索条件"主题词=Signal Processing Algorithms"
43529 条 记 录,以下是441-450 订阅
排序:
Power Optimization and Deep Learning for Channel Estimation of Active IRS-Aided IoT
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IEEE INTERNET OF THINGS JOURNAL 2024年 第24期11卷 41194-41206页
作者: Wang, Yan Dong, Rongen Shu, Feng Gao, Wei Zhang, Qi Liu, Jiajia Hainan Univ Sch Informat & Commun Engn Haikou 570228 Peoples R China Hainan Univ Collaborat Innovat Ctr Informat Technol Haikou 570228 Peoples R China Nanjing Univ Sci & Technol Sch Elect & Opt Engn Nanjing 210094 Peoples R China Northwestern Polytech Univ Sch Cybersecur Xian 710072 Shaanxi Peoples R China
In this article, channel estimation (CE) of an active intelligent reflecting surface (IRS) aided uplink Internet of Things (IoT) network is investigated. First, the least square (LS) estimators for the direct channel ... 详细信息
来源: 评论
Resource Allocation for Near-Field Communications: Fundamentals, Tools, and Outlooks
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IEEE WIRELESS COMMUNICATIONS 2024年 第5期31卷 42-50页
作者: Xu, Bokai Zhang, Jiayi Du, Hongyang Wang, Zhe Liu, Yuanwei Niyato, Dusit Ai, Bo Letaief, Khaled B. Beijing Jiaotong Univ Beijing Peoples R China Beijing Jiaotong Univ Sch Elect & Informat Engn Beijing Peoples R China Beijing Jiaotong Univ State Key Lab Rail Traff Control & Safety Beijing Peoples R China Nanyang Technol Univ Interdisciplinary Grad Program Singapore Singapore Nanyang Technol Univ Sch Comp Sci & Engn Singapore Singapore Queen Mary Univ London London England Hong Kong Univ Sci & Technol Hong Kong Peoples R China
Extremely large-scale multiple-input-multiple-out-put (XL-MIMO) is a promising technology to achieve high spectral efficiency (SE) and energy efficiency (EE) in future wireless systems. The larger array aperture of XL... 详细信息
来源: 评论
Centroid-Free K-Means With Balanced Clustering
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IEEE signal processing LETTERS 2025年 32卷 1191-1195页
作者: Meng, Bin Li, Fangfang Yang, Fan Gao, Quanxue Jilin Police Coll Dept Informat Secur Technol Changchun 130117 Peoples R China Xidian Univ Sch Telecommun Engn Xian 710071 Peoples R China Changchun Humanities & Sci Coll Dept Chinese Language & Literature Changchun 130117 Peoples R China
Currently, a wide array of clustering algorithms have emerged, yet many approaches rely on K-means to detect clusters. However, K-means is highly sensitive to the selection of the initial cluster centers, which poses ... 详细信息
来源: 评论
2-D Autofocus for High-Squint SAR Based on Affine Coordinate Back-Projection Algorithm
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IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 2024年 62卷
作者: Lou, Yishan Lin, Hao Chen, Quan Xing, Mengdao Zhou, Shengwei Sun, Guang-Cai Xidian Univ Natl Key Lab Radar Signal Proc Xian 710071 Peoples R China Shanghai Inst Satellite Engn Shanghai 200240 Peoples R China Xidian Univ Acad Adv Interdisciplinary Res Natl Key Lab Radar Signal Proc Xian 710071 Peoples R China
When synthetic aperture radar (SAR) works in high-squint (HS) mode, the interpolation and scaling operation of traditional frequency domain imaging algorithms will change the original structure of motion error, and le... 详细信息
来源: 评论
Joint Pulsed and Continuous Wave Interference Suppression for Dual-Antenna GNSS Receivers
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IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS 2024年 第2期60卷 2319-2330页
作者: Wang, Wenyi Chen, Haojie Lu, Xuyang Civil Aviat Univ China Tianjin Key Lab Adv Signal Proc Tianjin 300300 Peoples R China
Array antenna is an effective way to improve the interference suppression capability of global navigation satellite System (GNSS) receivers. However, more antennas mean higher costs, which may lead to unacceptable cos... 详细信息
来源: 评论
Fast Array Ground Penetrating Radar Localization by CNN-Based Optimization Method
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IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 2024年 17卷 4663-4673页
作者: Zhou, Changyu Bai, Xu Yi, Li Shah, Munawar Sato, Motoyuki Tong, Xiaohua Tongji Univ Coll Surveying & Geoinformat Shanghai 200070 Peoples R China Harbin Ind Univ Sch Elect & Informat Engn Harbin Peoples R China Osaka Univ Grad Sch Engn Sci Osaka 5650871 Japan Inst Space Technol Dept GNSS Islamabad 44000 Pakistan Tohoku Univ Ctr Northeast Asian Studies Sendai 9808076 Japan Tongji Univ Dept Surveying & Geoinformat Engn Shanghai 200092 Peoples R China
This article presents an optimization-based approach to overcome redundancy arising from the multivariables enumeration process in multiple signal classification (MUSIC). By incorporating Broyden-Fletcher-Goldfarb-Sha... 详细信息
来源: 评论
Nonuniform Sampling Pattern Design for Compressed Spectrum Sensing in Mobile Cognitive Radio Networks
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IEEE TRANSACTIONS ON MOBILE COMPUTING 2024年 第9期23卷 8680-8693页
作者: Song, Zihang She, Yiyuan Yang, Jian Peng, Jinbo Gao, Yue Tafazolli, Rahim Kings Coll London Dept Engn London WC2R 2LS England Florida State Univ Dept Stat Tallahassee FL 32306 USA China Acad Informat & Commun Technol Beijing 100191 Peoples R China Fudan Univ Sch Comp Sci Shanghai 200433 Peoples R China Univ Surrey Inst Commun Syst Guildford GU2 7XH England
Compressed spectrum sensing (CSS) plays a pivotal role in dynamic spectrum access within mobile cognitive radio networks by offering reduced power consumption and lower hardware costs. The multicoset sampler, a well-k... 详细信息
来源: 评论
Transient Voltage Unit Protection Based on Fault Information Fusion
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IEEE ACCESS 2024年 12卷 184583-184591页
作者: Guo, Zhenwei Zhao, Ruiqiang Li, Haojie Jiang, Yongyan Guilin Univ Elect Sci & Technol Sch Elect & Mech Engn Guilin 541004 Peoples R China
Transient protection has the advantage of ultra-fast operation. However, traditional transient protection is susceptible to the influences of transitional resistance and the initial fault angle, resulting in issues wi... 详细信息
来源: 评论
Singular Value Decomposition-Based Adaptive Sampling Approximate Message Passing Net for Sparse-View CT Reconstruction
IEEE PHOTONICS JOURNAL
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IEEE PHOTONICS JOURNAL 2024年 第1期16卷 1页
作者: Wu, Zhenhua Xu, Jiafei Yang, Lixia Anhui Univ Informat Mat & Intelligent Sensing Lab Anhui Prov Hefei 230601 Peoples R China China Elect Technol Grp 38th Res Inst Hefei 230031 Peoples R China Southeast Univ State Key Lab Millimeter Waves Nanjing 210096 Peoples R China
Sparse-viewcomputed tomography (CT) imaging is a promising technique for reducing radiation dose and accelerating data acquisition in medical imaging. However, the challenges of handling a reduced number of projection... 详细信息
来源: 评论
A Novel Prior-Based Channel Estimation and Activity Detection in Cell-Free mMTC Systems
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IEEE TRANSACTIONS ON signal processing 2024年 72卷 5500-5516页
作者: Rajoriya, Anupama Singh, Nakul Budhiraja, Rohit Chaturvedi, Ajit K. IIT Kanpur Dept Elect Engn Kanpur 208016 India Georgia Inst Technol Atlanta GA 30332 USA
We consider the problem of joint channel estimation (CE) and device activity detection (DAD) in the uplink of a cell-free millimeter wave massive multiple-input multiple output (mMIMO) system for massive machine-type ... 详细信息
来源: 评论