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This paper investigates joint direction-of-arrival (DOA) and attitude sensing using tri-polarized continuous aperture arrays (CAPAs). By employing electromagnetic (EM) information theory, the spatially continuous received signals in…

信号处理 · 电气工程与系统科学 2025-10-03 Haonan Si , Zhaolin Wang , Xiansheng Guo , Jin Zhang , Yuanwei Liu

Statistical (machine learning) tools for equation discovery require large amounts of data that are typically computer generated rather than experimentally observed. Multiscale modeling and stochastic simulations are two areas where learning…

机器学习 · 统计学 2021-03-17 Joseph Bakarji , Daniel M. Tartakovsky

In this paper, we present a joint Doppler frequency shift compensation and data detection method using 2-D unitary ESPRIT algorithm for SIMO-OFDM railway communication systems over fast time-varying sparse multipath channels. By creating…

信息论 · 计算机科学 2012-10-30 Huiyue Yi

Multi-source localization is an important and challenging technique for multi-talker conversation analysis. This paper proposes a novel supervised learning method using deep neural networks to estimate the direction of arrival (DOA) of all…

音频与语音处理 · 电气工程与系统科学 2021-11-30 Aswin Shanmugam Subramanian , Chao Weng , Shinji Watanabe , Meng Yu , Dong Yu

This paper investigates the combination of parametric channel estimation with minimum mean square error (MMSE) estimation. We propose a direction-of-arrival (DoA)-aided two-stage channel estimation technique that utilizes the decomposition…

信号处理 · 电气工程与系统科学 2024-04-29 Franz Weißer , Nurettin Turan , Wolfgang Utschick

We introduce an information-theoretic quantity with similar properties to mutual information that can be estimated from data without making explicit assumptions on the underlying distribution. This quantity is based on a recently proposed…

We introduce a new method for Estimation of Signal Parameters based on Iterative Rational Approximation (ESPIRA) for sparse exponential sums. Our algorithm uses the AAA algorithm for rational approximation of the discrete Fourier transform…

数值分析 · 数学 2022-01-07 Nadiia Derevianko , Gerlind Plonka , Markus Petz

Representing real-time data as a sum of complex exponentials provides a compact form that enables both denoising and extrapolation. As a fully data-driven method, the Estimation of Signal Parameters via Rotational Invariance Techniques…

强关联电子 · 物理学 2026-03-27 Andre Erpenbeck , Yuanran Zhu , Yang Yu , Lei Zhang , Richard Gerum , Olga Goulko , Chao Yang , Guy Cohen , Emanuel Gull

In order to improve the accuracy and resolution for transmit beamspace multiple-input multiple-output (MIMO) radar, a search-free direction-of-arrival (DOA) estimation method based on tensor decomposition and polynomial rooting is proposed.…

信息论 · 计算机科学 2020-10-15 Feng Xu , Xiaopeng Yang , Tian Lan

In this paper, we develop two high-resolution channel estimation schemes based on the estimating signal parameters via the rotational invariance techniques (ESPRIT) method for frequency-selective millimeter wave (mmWave) massive MIMO…

信号处理 · 电气工程与系统科学 2020-02-18 Wenyan Ma , Chenhao Qi , Geoffrey Ye Li

A popular method to estimate the positions or directions-of-arrival (DOAs) of multiple sound sources using an array of microphones is based on steered-response power (SRP) beamforming. For a three-dimensional scenario, SRP-based methods…

音频与语音处理 · 电气工程与系统科学 2026-04-21 Klaus Brümann , Simon Doclo

Recently, coprime arrays have been in the focus of research because of their potential in exploiting redundancy in spanning large apertures with fewer elements than suggested by theory. A coprime array consists of two uniform linear…

信息论 · 计算机科学 2014-12-16 Zhiyuan Weng , Petar Djuric

Subspace based techniques for direction of arrival (DOA) estimation need large amount of snapshots to detect source directions accurately. This poses a problem in the form of computational burden on practical applications. The introduction…

信息论 · 计算机科学 2017-09-28 Abhishek Aich , P. Palanisamy

In this paper, we propose a novel data augmentation method for training neural networks for Direction of Arrival (DOA) estimation. This method focuses on expanding the representation of the DOA subspace of a dataset. Given some input data,…

音频与语音处理 · 电气工程与系统科学 2019-10-11 Luca Mazzon , Yuma Koizumi , Masahiro Yasuda , Noboru Harada

Estimating covariance matrix from massive high-dimensional and distributed data is significant for various real-world applications. In this paper, we propose a data-aware weighted sampling based covariance matrix estimator, namely DACE,…

机器学习 · 计算机科学 2020-10-13 Xixian Chen , Haiqin Yang , Shenglin Zhao , Michael R. Lyu , Irwin King

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

The conventional direction of arrival (DOA) estimation methods are performed with multiple receiving channels. In this paper, a changeling DOA estimation problem is addressed in a different scenario with only one full-functional receiving…

信号处理 · 电气工程与系统科学 2022-03-22 Peng Chen , Zhimin Chen , Beixiong Zheng , Xianbin Wang

Knowledge reduction of dynamic covering information systems involves with the time in practical situations. In this paper, we provide incremental approaches to computing the type-1 and type-2 characteristic matrices of dynamic coverings…

信息论 · 计算机科学 2023-11-30 Mingjie Cai

Direction of arrival (DOA) estimation is a classical problem in signal processing with many practical applications. Its research has recently been advanced owing to the development of methods based on sparse signal reconstruction. While…

应用统计 · 统计学 2016-11-18 Zai Yang , Lihua Xie , Cishen Zhang

Modulo sampling has recently drawn a great deal of attention for cutting-edge applications, due to overcoming the barrier of information loss through sensor saturation and clipping. This is a significant problem, especially when the range…

信号处理 · 电气工程与系统科学 2024-01-02 Qi Zhang , Jiang Zhu , Fengzhong Qu , De Wen Soh