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

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In this letter, we consider the problem of direction-of-arrival (DOA) estimation with one-bit quantized array measurements. With analysis, it is shown that, under mild conditions the one-bit covariance matrix can be approximated by the sum…

信号处理 · 电气工程与系统科学 2019-04-30 Xiaodong Huang , Bin Liao

The source number identification is an essential step in direction-of-arrival (DOA) estimation. Existing methods may provide a wrong source number due to inferior statistical properties (in low SNR or limited snapshots) or modeling errors…

神经与进化计算 · 计算机科学 2021-10-15 Bai Yan , Qi Zhao , Jin Zhang , J. Andrew Zhang , Xin Yao

Various compositions of sparsely polarized antenna arrays are proposed in this paper to estimate the direction-of-arrivals (DOAs) and polarizations of multiple coherent sources. These polarized antenna arrays are composed of one of the…

仪器与探测器 · 物理学 2014-05-21 Xin Yuan

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

Direction-of-Arrival (DOA) estimation is critical in spatial audio and acoustic signal processing, with wide-ranging applications in real-world. Most existing DOA models are trained on synthetic data by convolving clean speech with room…

声音 · 计算机科学 2025-11-12 Haowen Li , Zhengding Luo , Dongyuan Shi , Boxiang Wang , Junwei Ji , Ziyi Yang , Woon-Seng Gan

This paper presents the performance analysis of directions of arrival estimation techniques, Subspace and the Non-Subspace methods. In this paper, exploring the analysis category of high resolution and super resolution algorithms,…

其他计算机科学 · 计算机科学 2012-11-20 Sai Suhas Balabadrapatruni

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

In this paper, we address the problem of 6-DoF object pose estimation from a single RGB image. Indirect methods that typically predict intermediate 2D keypoints, followed by a Perspective-n-Point solver, have shown great performance. Direct…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Nassim Ali Ousalah , Peyman Rostami , Vincent Gaudillière , Emmanuel Koumandakis , Anis Kacem , Enjie Ghorbel , Djamila Aouada

Stacked intelligent metasurfaces (SIM) are capable of emulating reconfigurable physical neural networks by relying on electromagnetic (EM) waves as carriers. They can also perform various complex computational and signal processing tasks. A…

This article discusses the application of single vector hydrophones in the field of underwater acoustic signal processing for Direction Of Arrival (DOA) estimation. Addressing the limitations of traditional DOA estimation methods in…

声音 · 计算机科学 2025-12-29 Jiabin Guo

The uniform white noise assumption is one of the basic assumptions in most of the existing directional-of-arrival (DOA) estimation methods. In many applications, however, the non-uniform white noise model is more adequate. Then the noise…

信息论 · 计算机科学 2021-09-21 M. Esfandiari , S. A. Vorobyov , S. Aliban , M. Karimi

Conventional direction-of-arrival (DoA) estimation methods rely on multi-antenna arrays, which are costly to implement on size-constrained Bluetooth Low Energy (BLE) devices. Virtual antenna array (VAA) techniques enable DoA estimation with…

信号处理 · 电气工程与系统科学 2026-02-04 Jincheng Xie , Yili Deng , Jiguang He , Pengyu Wang , Miaomiao Dong , Rui Tang , Zhongyi Huang

We address the problem of estimating direction-of-arrivals (DOAs) for multiple acoustic sources in a reverberant environment using a spherical microphone array. It is well-known that multi-source DOA estimation is challenging in the…

音频与语音处理 · 电气工程与系统科学 2019-12-30 Rohith Mars , Hiroyuki Ehara , Srikanth Nagisetty , Chong Soon Lim

We address the problem of tensor decomposition in application to direction-of-arrival (DOA) estimation for transmit beamspace (TB) multiple-input multiple-output (MIMO) radar. A general 4-order tensor model that enables computationally…

信息论 · 计算机科学 2022-06-29 Feng Xu , Matthew W. Morency , Sergiy A. Vorobyov

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

Direction of arrival (DOA) estimation technology offers a promising solution to address the sensing and positioning demands of Internet of Things (IoT) devices. Optical resonant beam systems (RBS), owing to their inherent characteristics of…

光学 · 物理学 2026-03-11 Guangkun Zhang , Mingqing Liu , Wen Fang , Mingliang Xiong , Yunfeng Bai , Qingwen Liu

We propose a fully Bayesian approach to wideband, or broadband, direction-of-arrival (DoA) estimation and signal detection. Unlike previous works in wideband DoA estimation and detection, where the signals were modeled in the time-frequency…

信号处理 · 电气工程与系统科学 2024-12-13 Kyurae Kim , Philip T. Clemson , James P. Reilly , Jason F. Ralph , Simon Maskell

A blind Direction-of-Arrivals (DOAs) estimate of narrowband signals for Acoustic Vector-Sensor (AVS) arrays is proposed. Building upon the special structure of the signal measured by an AVS, we show that the covariance matrix of all the…

信号处理 · 电气工程与系统科学 2020-12-17 Amir Weiss

Phase wrapping is a major problem in direction-of-arrival (DOA) estimation using phase-difference observations. For a sensor pair with an inter-sensor spacing greater than half of the wavelength ($\lambda/2$) of the signal, phase wrapping…

信号处理 · 电气工程与系统科学 2021-10-22 Hui Chen , Tarig Ballal , Tareq Y. Al-Naffouri

Accurately localizing multiple sources is a critical task with various applications in wireless communications, such as emergency services, including natural post-disaster search and rescue operations. However, scenarios where the receiver…

信号处理 · 电气工程与系统科学 2025-04-10 Amir Mansourian , Alireza Fadakar , Saeed Akhavan , Behrouz Maham