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相关论文: Real-Valued 2-D Direction of Arrival Estimation vi…

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This paper introduces an ESPRIT-based algorithm to estimate the directions-of-arrival and polarizations for multiple sources. The investigated algorithm is based on new sparse array geometries, which are composed of three non-collocating…

应用统计 · 统计学 2013-08-02 Xin Yuan

This paper presents a unified framework for robust three-dimensional (3-D) source localization using a network of sensors equipped with one-dimensional (1-D) linear arrays. While such arrays offer practical advantages in terms of cost and…

信号处理 · 电气工程与系统科学 2025-11-12 Ehsan Alamdari , Rouhollah Amiri

We propose a direction-of-arrival (DOA) estimation method for Sound Event Localization and Detection (SELD). Direct estimation of DOA using a deep neural network (DNN), i.e. completely-datadriven approach, achieves high accuracy. However,…

音频与语音处理 · 电气工程与系统科学 2020-02-18 Masahiro Yasuda , Yuma Koizumi , Shoichiro Saito , Hisashi Uematsu , Keisuke Imoto

Horizontal line arrays are often employed in underwater environments to estimate the direction of arrival (DOA) of a weak signal. Conventional beamforming (CB) is robust but has wide beamwidths and high-level sidelobes. High-resolution…

信号处理 · 电气工程与系统科学 2020-12-09 Qi Zhang , Jiang Zhu , Yuantao Gu , Zhiwei Xu

Motivated by sensing modalities in modern autonomous systems that involve hardware-constrained spatial sampling over large arrays with limited coherence time, we develop a novel framework for rapid super-resolution multi-signal…

机器学习 · 计算机科学 2026-05-19 Georgios I. Orfanidis , Dimitris A. Pados , George Sklivanitis , Elizabeth S. Bentley

High-performance computing of array signal processing problems is a critical task as real-time system performance is required for many applications. Noise subspace-based Direction-of-Arrival (DOA) estimation algorithms are popular in the…

分布式、并行与集群计算 · 计算机科学 2020-07-29 Hamza Eray , Alptekin Temizel

In this paper, we look to address the problem of estimating the dynamic direction of arrival (DOA) of a narrowband signal impinging on a sensor array from the far field. The initial estimate is made using a Bayesian compressive sensing…

机器学习 · 统计学 2015-09-22 Matthew Hawes , Lyudmila Mihaylova , Francois Septier , Simon Godsill

This paper presents a tool for the analysis, and simulation of direction-of-arrival (DOA) estimation in wireless mobile communication systems over the fading channel. It reviews two methods of Direction of arrival (DOA) estimation…

网络与互联网体系结构 · 计算机科学 2011-12-12 A. V. Meenakshi , V. Punitham , R. Kayalvizhi , S. Asha

Motivated by recent work on two dimensional (2D) harmonic component recovery via atomic norm minimization (ANM), a fast 2D direction of arrival (DOA) off-grid estimation based on ANM method was proposed. By introducing a matrix atomic norm…

信号处理 · 电气工程与系统科学 2018-07-24 Jian Pan , Jun Tang , Yong Niu

Accurate direction of arrival (DoA) and time of arrival (ToA) estimation is an stringent requirement for several wireless systems like sonar, radar, communications, and dual-function radar communication (DFRC). Due to the use of high…

信号处理 · 电气工程与系统科学 2024-09-16 Chandrashekhar Rai , Debarati Sen

This paper presents an efficient method for computing maximum likelihood (ML) direction of arrival (DOA) estimates assuming unknown sensor noise powers. The method combines efficient Alternate Projection (AP) procedures with Newton…

信息论 · 计算机科学 2020-01-08 J. Selva

This paper investigates the problem of direction-of-arrival (DOA) estimation using multiple partially-calibrated sparse subarrays. In particular, we present the Generalized Coarray Multiple Signal Classification (GCA-MUSIC) DOA estimation…

机器学习 · 计算机科学 2024-08-07 W. S. Leite , R. C. de Lamare

An efficient, accurate and reliable approximation of a matrix by one of lower rank is a fundamental task in numerical linear algebra and signal processing applications. In this paper, we introduce a new matrix decomposition approach termed…

数值分析 · 计算机科学 2018-08-15 Maboud F. Kaloorazi , Rodrigo C. de Lamare

We present a MUSIC-based Direction of Arrival (DOA) estimation strategy using small antenna arrays, via employing deep learning for reconstructing the signals of a virtual large antenna array. Not only does the proposed strategy deliver…

信号处理 · 电气工程与系统科学 2021-03-08 Aya Mostafa Ahmed , Udaya Sampath K. P. Miriya Thanthrige , Aly El Gamal , Aydin Sezgin

In this letter, we propose a new wireless sensing system equipped with a rotatable antenna (RA) array to enhance the sensing performance of a uniform sparse array (USA). To tackle the severe spatial undersampling issues, we propose a novel…

信号处理 · 电气工程与系统科学 2026-05-22 Chengzhi Ye , Ruoyu Zhang , Jincheng Du , Wenyan Ma , Qingqing Wu , Wen Wu , Rui Zhang

Sparse arrays with $N$-sensors can provide up to $O(N^2)$ degrees of freedom (DOF) by second-order cumulants. However, these sparse arrays like minimum-/low-redundancy arrays (MRAs/LRAs), nested arrays and coprime arrays can only provide…

信号处理 · 电气工程与系统科学 2025-03-25 Si Wang , Guoqiang Xiao

Recently, a relative transfer function (RTF)-vector-based method has been proposed to estimate the direction of arrival (DOA) of a target speaker for a binaural hearing aid setup, assuming the availability of external microphones. This…

音频与语音处理 · 电气工程与系统科学 2026-02-11 Daniel Fejgin , Simon Doclo

Hybrid Analog and Digital (HAD) architectures provide a cost-effective alternative for large-scale antenna arrays, but accurate Direction-of-Arrival (DoA) estimation remains challenging due to limited digital dimensionality and constrained…

信号处理 · 电气工程与系统科学 2025-09-04 Miguel Rivas-Costa , Carlos Mosquera

Massive multiple input multiple output(MIMO)-based fully-digital receive antenna arrays bring huge amount of complexity to both traditional direction of arrival(DOA) estimation algorithms and neural network training, which is difficult to…

信号处理 · 电气工程与系统科学 2023-01-18 Yiwen Chen , Xichao Zhan , Feng Shu

In this paper, we present a new model for Direction of Arrival (DOA) estimation of sound sources based on an Icosahedral Convolutional Neural Network (CNN) applied over SRP-PHAT power maps computed from the signals received by a microphone…

音频与语音处理 · 电气工程与系统科学 2022-12-07 David Diaz-Guerra , Antonio Miguel , Jose R. Beltran