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To improve the accuracy of direction-of-arrival (DOA) estimation, a deep learning (DL)-based method called CDAE-DNN is proposed for hybrid analog and digital (HAD) massive MIMO receive array with overlapped subarray (OSA) architecture in…

信号处理 · 电气工程与系统科学 2022-09-13 Yifan Li , Baihua Shi , Feng Shu , Yaoliang Song , Jiangzhou Wang

In this paper, a new multi-source wideband direction of arrival (MSW-DOA) estimation method is proposed for the signal with non-uniform distribution using the sub-array of uniform linear array. Different from conventional methods, based on…

音频与语音处理 · 电气工程与系统科学 2022-04-12 Jing Zhou , Changchun Bao

Sensing emerges as a critical challenge in 6G networks, which require simultaneous communication and target sensing capabilities. State-of-the-art super-resolution techniques for the direction of arrival (DoA) estimation encounter…

信号处理 · 电气工程与系统科学 2025-06-17 Murat Babek Salman , Emil Björnson

Deep metric learning aims to learn a deep embedding that can capture the semantic similarity of data points. Given the availability of massive training samples, deep metric learning is known to suffer from slow convergence due to a large…

机器学习 · 计算机科学 2019-12-05 Xinshao Wang , Yang Hua , Elyor Kodirov , Guosheng Hu , Neil M. Robertson

Direction-of-arrival (DoA) estimation with leaky-wave antennas (LWAs) offers a compact and cost-effective alternative to conventional antenna arrays but remains challenging in the presence of coherent sources. To address this issue, we…

信号处理 · 电气工程与系统科学 2025-10-14 R. Maydani , Y. Wang , J. Sarrazin , B. Ma

The paper investigates the direction-of-arrival (DOA) estimation of narrow band signals with conventional co-prime arrays by using probabilistic Bayesian neural networks (PBNN). A super resolution DOA estimation method based on Bayesian…

信号处理 · 电气工程与系统科学 2023-09-06 Wael Elshennawy

In remote sensing rotated object detection, mainstream methods suffer from two bottlenecks, directional incoherence at detector neck and task conflict at detecting head. Ulitising fourier rotation equivariance, we introduce Fourier Angle…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Changyu Gu , Linwei Chen , Lin Gu , Ying Fu

Based on machine learning techniques, we propose a novel method to estimate flow fields using only floating sensor locations. This method does not require either ground-truth velocity fields or governing equations for fluid flows, which is…

流体动力学 · 物理学 2026-04-07 Tomoya Oura , Reno Miura , Koji Fukagata

In this paper, a fast algorithm for the Direction Of Arrival (DOA) estimation of radiating sources, based on partial covariance matrix and without eigende- composition of incoming signals is extended to two dimensional problem of joint…

信息论 · 计算机科学 2015-03-18 Y. Khmou , S. Safi

The accurate prediction of oceanographic variables is crucial for understanding climate change, managing marine resources, and optimizing maritime activities. Traditional ocean forecasting relies on numerical models; however, these…

机器学习 · 计算机科学 2025-10-30 Víctor Medina , Giovanny A. Cuervo-Londoño , Javier Sánchez

In this paper, we introduce a novel algorithm that can dramatically reduce the number of antenna elements needed to accurately predict the direction of arrival (DOA) for multiple input multiple output (MIMO) radar. The new proposed…

信号处理 · 电气工程与系统科学 2020-09-16 Udaya Sampath K. P. Miriya Thanthrige , Aya Mostafa Ahmed , Aydin Sezgin

In this paper, we propose a new method to design an annihilating filter (AF) for direction-of-arrival (DOA) estimation of multiple snapshots within an uniform linear array. To evaluate the proposed method, we firstly design a DOA estimation…

声音 · 计算机科学 2021-10-14 Son Phan , Lam Pham

Conventional direction of arrival (DOA) estimation algorithms suffer from performance degradation due to antenna pattern distortion and substantial computational complexity in real-time execution. The support vector regression (SVR)…

信号处理 · 电气工程与系统科学 2021-10-20 Md Imrul Hasan , Mohammad Saquib

A novel approach combining agile beam switching with deep learning to enhance the speed and accuracy of Direction of Arrival (DOA) estimation for millimeter-wave (mmWave) phased array systems with low-complexity hardware implementations is…

信号处理 · 电气工程与系统科学 2025-08-19 Arav Sharma , Lei Chi , Ari Gebhardt , Alon S. Levin , Timothy R. Hoerning , Sam Keene

Arbitrary-oriented object detection is a relatively emerging but challenging task. Although remarkable progress has been made, there still remain many unsolved issues due to the large diversity of patterns in orientation, scale, aspect…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Peng Sun , Yongbin Zheng , Wenqi Wu , Wanying Xu , Shengjian Bai

Direction of Arrival (DOA) estimation serves as a critical sensing technology poised to play a vital role in future intelligent and ubiquitous communication systems. Despite the development of numerous mature super-resolution algorithms,…

信号处理 · 电气工程与系统科学 2025-12-23 Jiaji Ren , Ye Tian , Baiyang Liu , Tuo Wu , Wei Liu , Kai-Kit Wong , Kin-Fai Tong , Kwai-Man Luk

An algorithm called MUSIC-like algorithm was originally proposed as an alternative method to the MUltiple SIgnal Classification (MUSIC) algorithm for direction-of-arrival (DOA) estimation. Without requiring explicit model order estimation,…

信号处理 · 电气工程与系统科学 2018-11-20 Narong Borijindargoon , Boon Poh Ng

This paper describes a new method for reducing the error in a classifier. It uses an error correction update that includes the very simple rule of either adding or subtracting the error adjustment, based on whether the variable value is…

人工智能 · 计算机科学 2018-03-02 Kieran Greer

A~machine learning framework is developed to estimate ocean-wave conditions. By supervised training of machine learning models on many thousands of iterations of a physics-based wave model, accurate representations of significant wave…

大气与海洋物理 · 物理学 2017-09-27 Scott C. James , Yushan Zhang , Fearghal O'Donncha

Localization in 5G and 6G networks is essential for important use cases such as intelligent transportation, smart factories, and smart cities. Although deep learning has enabled improving localization accuracy, depending on the deployment…

机器学习 · 计算机科学 2026-05-07 Bac Trinh-Nguyen , Sara Berri , Sin G. Teo , Tram Truong-Huu , Arsenia Chorti