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Millimeter-wave communications rely on beamforming gain from both transmitters and receivers to compensate for severe propagation loss. To achieve adequate gain, beam training is required to identify propagation directions. The main…

信号处理 · 电气工程与系统科学 2020-04-06 Han Yan , Veljko Boljanovic , Danijela Cabric

Future wireless networks may operate at millimeter-wave (mmW) and sub-terahertz (sub-THz) frequencies to enable high data rate requirements. While large antenna arrays are critical for reliable communications at mmW and sub-THz bands, these…

信号处理 · 电气工程与系统科学 2022-06-08 Benjamin W. Domae , Veljko Boljanovic , Ruifu Li , Danijela Cabric

The deployment of large language models (LLMs) is often constrained by their substantial computational and memory demands. While structured pruning presents a viable approach by eliminating entire network components, existing methods suffer…

机器学习 · 计算机科学 2025-05-07 Hanyu Hu , Xiaoming Yuan

A fast full-wave simulation technique is presented for the analysis of large irregular planar arrays of identical 3-D metallic antennas. The solution method relies on the Macro Basis Functions (MBF) approach and an interpolatory technique…

Existing reduced-dimension beam-Doppler space-time adaptive processing (RD-BD-STAP) algorithms are confined to the beam-Doppler cells used for adaptation, which often leads to some performance degradation. In this work, a novel…

信号处理 · 电气工程与系统科学 2019-03-06 Zhaocheng Yang , Rodrigo C. de Lamare

We introduce the Stochastic Asynchronous Proximal Alternating Linearized Minimization (SAPALM) method, a block coordinate stochastic proximal-gradient method for solving nonconvex, nonsmooth optimization problems. SAPALM is the first…

最优化与控制 · 数学 2016-06-09 Damek Davis , Brent Edmunds , Madeleine Udell

For many practical applications in wireless communications, we need to recover a structured sparse signal from a linear observation model with dynamic grid parameters in the sensing matrix. Conventional expectation maximization (EM)-based…

信号处理 · 电气工程与系统科学 2023-11-14 Wenkang Xu , An Liu , Bingpeng Zhou , Minjian Zhao

We propose a method for synthesizing high range resolution profiles (HRRP) using stepped frequency waveform (SFW) processing. Conventional SFW radars sweep over the available spectrum linearly to achieve high resolution from their…

信号处理 · 电气工程与系统科学 2020-04-14 Kumar Vijay Mishra , Satish Mulleti , Yonina C. Eldar

Modern ultra-high-resolution image synthesis relies heavily on the robust generative capacity of large-scale pre-trained Latent Diffusion Models (LDMs). While recent representation alignment methods have proven effective by distilling…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Jinjin Zhang , Xiefan Guo , Di Huang

Reconfigurable distributed antenna and reflecting surface (RDARS) is a promising architecture for future sixth-generation (6G) wireless networks. In particular, the dynamic working mode configuration for the RDARS-aided system brings an…

信号处理 · 电气工程与系统科学 2025-10-17 Chengwang Ji , Kehui Li , Haiquan Lu , Qiaoyan Peng , Jintao Wang , Feifei Gao , Shaodan Ma

To enhance the resource scheduling performance of phased array radar, we propose a dynamic adaptive resource scheduling algorithm based on synthesis priorities and pulse interleaving. This approach addresses the challenges of low…

信号处理 · 电气工程与系统科学 2024-10-01 Mingguang Han

Flexible front-end technology will become available in future multifunction radar systems to improve adaptability to the operational theatre. A potential concept to utilize this flexibility is to subdivide radar tasks spatially over the…

信号处理 · 电气工程与系统科学 2024-02-28 Pepijn B. Cox , Wim L. van Rossum

Maximum a posteriori (MAP) inference over discrete Markov random fields is a fundamental task spanning a wide spectrum of real-world applications, which is known to be NP-hard for general graphs. In this paper, we propose a novel…

机器学习 · 计算机科学 2015-01-06 Qixing Huang , Yuxin Chen , Leonidas Guibas

The problem of multi-objective design of sparse MIMO arrays for better multitarget detection capabilities is considered. A novel approach for efficient utilization of the antenna design resources; namely, the number of available array…

信号处理 · 电气工程与系统科学 2022-10-24 Suleyman Gokhun Tanyer , Paul Dent , Murtaza Ali , Curtis Davis , SenthinelKumar Rajagopal , Peter Driessen

Ultra-reliable and low-latency connectivity is required for real-time and latency-sensitive applications, like wireless augmented and virtual reality streaming. Millimeter-wave (mmW) networks have enabled extremely high data rates through…

信号处理 · 电气工程与系统科学 2025-12-10 Benjamin W. Domae , Ibrahim Pehlivan , Danijela Cabric

Anomaly synthesis strategies can effectively enhance unsupervised anomaly detection. However, existing strategies have limitations in the coverage and controllability of anomaly synthesis, particularly for weak defects that are very similar…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Qiyu Chen , Huiyuan Luo , Chengkan Lv , Zhengtao Zhang

This paper presents the design and performance analysis of a 1x6 linear microstrip patch antenna array tailored for automotive radar and 5G millimetre-wave (mm-wave) applications. The proposed antenna array comprises six rectangular…

信号处理 · 电气工程与系统科学 2026-05-05 Muhammad Asfar Saeed , Augustine O. Nwajana

We present an innovative approach to the synthesis of linear arrays having the least possible number of elements while radiating shaped beams lying in completely arbitrary power masks. The approach, based on theory and procedures lend from…

应用物理 · 物理学 2017-10-16 A. F. Morabito , A. R. Laganà , G. Sorbello , T. Isernia

A conventional monopulse radar system uses three beams; sum beam, elevation difference beam and azimuth difference beam, which require different layers of weights to synthesize each beam independently. Since the multi-layer structure…

信号处理 · 电气工程与系统科学 2019-05-22 Semin Kwak , Joohwan Chun , Sung Hyuck Ye

Analysis based reconstruction has recently been introduced as an alternative to the well-known synthesis sparsity model used in a variety of signal processing areas. In this paper we convert the analysis exact-sparse reconstruction problem…

信息论 · 计算机科学 2016-11-18 Nicolae Cleju , Maria G. Jafari , Mark D. Plumbley