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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:
l0 Penalized Maximum Likelihood Estimation of Sparse Covariance Matrices
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IEEE signal processing LETTERS 2025年 32卷 66-70页
作者: Fatima, Ghania Stoica, Petre Babu, Prabhu Indian Inst Technol Delhi CARE New Delhi 110016 India Uppsala Univ Dept Informat Technol S-75105 Uppsala Sweden
In this letter we present a framework for estimating sparse covariance matrices, wherein we solve the l(0)-norm penalized maximum likelihood estimation problem using the extended Bayesian information criterion (EBIC),... 详细信息
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FastPSA: A Fast Version of the Principal Skewness Analysis
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IEEE signal processing LETTERS 2025年 32卷 1226-1230页
作者: Gao, Jingyu Geng, Xiurui Ji, Luyan Chinese Acad Sci Aerosp Informat Res Inst Beijing 100094 Peoples R China Chinese Acad Sci Key Lab Technol Geospatial Informat Proc & Applica Beijing 100190 Peoples R China Univ Chinese Acad Sci Sch Elect Elect & Commun Engn Beijing 100049 Peoples R China
Recently, principal skewness analysis (PSA) has been introduced into the domain of feature extraction. It is equivalent to the skewness version of Fast independent component analysis (FastICA). Unlike FastICA, PSA doe... 详细信息
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A Robust Adaptive Beamforming Algorithm for Mismatch and Impulsive Noise Circumstance
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IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 2025年 22卷
作者: Zhang, Xuejun Feng, Dazheng Wang, Zhonggen Gan, Fubao Anhui Univ Sci & Technol Sch Elect & Informat Huainan 232001 Peoples R China Xidian Univ Natl Lab Radar Signal Proc Xian 710071 Peoples R China
This letter provides a solution to a robust adaptive beamformer used in remote sensing systems under the effect of two factors: 1) the impulsive noise satisfying Gaussian mixture distribution and 2) unknown model mism... 详细信息
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A Two-Level Weighted Low-Complexity Adaptive Beamforming Method
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IEEE signal processing LETTERS 2025年 32卷 1246-1250页
作者: Du, Yuxi Cui, Weijia Ba, Bin Chen, Yangyang Zhang, Long PLA Strateg Support Informat Engn Univ Zhengzhou 450001 Peoples R China
Aiming at the problem of high computational complexity of adaptive beamforming techniques in array radar systems, a two-level weighted low-complexity adaptive beamforming method is proposed in this letter. First, the ... 详细信息
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Improved Free-of-CPP ADMM-Based Iterative Decoding Algorithm of Binary LDPC Codes
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IEEE signal processing LETTERS 2025年 32卷 211-215页
作者: Bai, Jing An, Zedong Chi, Yuhao Song, Guanghui Yuen, Chau Shijiazhuang Tiedao Univ Sch Informat Sci & Technol Shijiazhuang 050043 Peoples R China Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Peoples R China Nanyang Technol Univ Sch Elect & Elect Engn Singapore 487372 Singapore
Iterative decoding algorithms based on the alternating direction method of multipliers (ADMM) decoding of low density parity check (LDPC) codes has emerged as an alternating decoding method and bringed a boom of resea... 详细信息
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Channel Estimation and Beamforming Design for MF-RIS-Aided Communication Systems
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IEEE signal processing LETTERS 2025年 32卷 916-920页
作者: Pan, Zaihao Wang, Wen Nie, Gaofeng Zheng, Ailing Ni, Wanli Beijing Univ Posts & Telecommun State Key Lab Networking & Switching Technol Beijing 100876 Peoples R China Pervas Commun Ctr Purple Mt Labs Nanjing 211111 Peoples R China Southeast Univ Sch Informat Sci & Engn Nanjing 210096 Peoples R China Southeast Univ Natl Mobile Commun Res Lab Nanjing 210096 Peoples R China Tsinghua Univ Dept Elect Engn Beijing 100084 Peoples R China
In this letter, we study the beamforming design for channel estimation of multi-functional reconfigurable intelligent surface (MF-RIS)-aided multi-user communications that supports simultaneous signal reflection, refr... 详细信息
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Edge-Preserving Consensus by Exploring the Feedback-Based Masking Method
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IEEE signal processing LETTERS 2025年 32卷 936-940页
作者: He, Wei Jiang, Jinyang Liu, Tianyue Aikoun, Yves Fidele Mao, Yi Fudan Univ Acad Engn & Technol Shanghai Engn Res Ctr AI & Robot Shanghai 200433 Peoples R China Nanjing Univ Posts & Telecommun Sch Automat & Artificial Intelligence Nanjing 210023 Peoples R China Hong Kong Polytech Univ Dept Aeronaut & Aviat Engn Hong Kong Peoples R China Hohai Univ Key Lab Maritime Intelligent Network Informat Tec Minist Educ Changzhou 213200 Peoples R China
This brief deals with the edge-preserving consensus in networked agent groups, which seeks to keep the information of the state trajectories of agents private by utilizing an edge-based decentralized protocol design. ... 详细信息
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High-Accuracy DOA Estimation for Non-Collinear Sparse Uniform Array
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IEEE signal processing LETTERS 2025年 32卷 206-210页
作者: Wang, Hongyong Chen, Xiaolong Deng, Weibo Zhang, Caisheng Xue, Yonghua Naval Aviat Univ Yantai 264001 Peoples R China Harbin Inst Technol Sch Elect & Informat Engn Harbin 150001 Peoples R China
Conventional sparse uniform arrays (SUAs) is composed of multiple identical and rigorously collinear uniform linear arrays. By adjusting the baseline length between the subarrays, the array aperture can be arbitrarily... 详细信息
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Optimal Sample Acquisition for Optimally Weighted PCA From Heterogeneous Quality Sources
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IEEE signal processing LETTERS 2025年 32卷 1425-1429页
作者: Hong, David Balzano, Laura Univ Delaware Dept Elect & Comp Engn Newark DE 19716 USA Univ Michigan Dept Elect Engn & Comp Sci Ann Arbor MI 48109 USA
Modern high-dimensional datasets are often formed by acquiring samples from multiple sources having heterogeneous quality, i.e., some sources are noisier than others. Collecting data in this manner raises the followin... 详细信息
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DPO: Discrete Prompt Optimization for Vision-Language Models
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IEEE signal processing LETTERS 2025年 32卷 671-675页
作者: Liang, Nanhao Liu, Yong Chinese Acad Sci Hefei Inst Phys Sci Hefei 230031 Peoples R China Univ Sci & Technol China Hefei 230026 Peoples R China
In recent years, the emergence of large vision-language models (VLMs) has catalyzed the development of prompt learning, where networks are trained to enhance VLM performance by learning continuous prompts. However, tr... 详细信息
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