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An algorithm based on compressive sensing (CS) is proposed for synthetic aperture radar (SAR) imaging of moving targets. The received SAR echo is decomposed into the sum of basis sub-signals, which are generated by discretizing the target…

Information Theory · Computer Science 2011-04-07 Jun Wang , Gang Li , Hao Zhang , Xiqin Wang

Singular value decomposition (SVD) based principal component analysis (PCA) breaks down in the high-dimensional and limited sample size regime below a certain critical eigen-SNR that depends on the dimensionality of the system and the…

Statistics Theory · Mathematics 2019-12-17 Arvind Prasadan , Raj Rao Nadakuditi , Debashis Paul

Recently, channel attention mechanism has demonstrated to offer great potential in improving the performance of deep convolutional neural networks (CNNs). However, most existing methods dedicate to developing more sophisticated attention…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Qilong Wang , Banggu Wu , Pengfei Zhu , Peihua Li , Wangmeng Zuo , Qinghua Hu

In this paper, a comprehensive survey of the pioneer as well as the state of-the-art localization and tracking methods in the wireless sensor networks is presented. Localization is mostly applicable for the static sensor nodes, whereas,…

Networking and Internet Architecture · Computer Science 2017-01-10 Sudhir Kumar , Rajesh M. Hegde

Signal-to-noise ratio (SNR) statistics play a central role in many applications. A common situation where SNR is studied is when a continuous time signal is sampled at a fixed frequency with some noise in the background. While estimation…

Methodology · Statistics 2021-11-05 Francesco Giordano , Pietro Coretto

In this paper, we present a spectrum monitoring framework for the detection of radar signals in spectrum sharing scenarios. The core of our framework is a deep convolutional neural network (CNN) model that enables Measurement Capable…

Networking and Internet Architecture · Computer Science 2017-05-02 Ahmed Selim , Francisco Paisana , Jerome A. Arokkiam , Yi Zhang , Linda Doyle , Luiz A. DaSilva

In this paper, we propose to exploit the limited cache packets as side information to cancel incoming interference at the receiver side. We consider a stochastic network where the random locations of base stations and users are modeled…

Information Theory · Computer Science 2016-11-15 Chenchen Yang , Yao Yao , Bin Xia , Kaibin Huang , Weiliang Xie , Yong Zhao

Both Noise Radar and Quantum Radar, with some alleged common features, exploit the randomness of the transmitted signal to enhance radar covertness and to reduce mutual interference. While Noise Radar has been prototypically developed and…

Quantum Physics · Physics 2024-03-04 Gaspare Galati , Gabriele Pavan

Routing algorithms for wireless sensor networks can be broadly divided into two classes - proactive and reactive. Proactive routing is suitable for a network with a fixed topology. On the other hand, reactive routing is more suitable for a…

Networking and Internet Architecture · Computer Science 2012-08-02 Sanat Sarangi , Subrat Kar

Acoustic echo cancellation (AEC), noise suppression (NS) and automatic gain control (AGC) are three often required modules for real-time communications (RTC). This paper proposes a neural network supported algorithm for RTC, namely NN3A,…

Sound · Computer Science 2021-10-19 Ziteng Wang , Yueyue Na , Biao Tian , Qiang Fu

A new algorithm for 3D localization in multiplatform radar networks, comprising one transmitter and multiple receivers, is proposed. To take advantage of the monostatic sensor radiation pattern features, ad-hoc constraints are imposed in…

Signal Processing · Electrical Eng. & Systems 2022-04-06 Augusto Aubry , Paolo Braca , Antonio De Maio , Angela Marino

In this paper, we explore the feasibility of using communication signals for extended target (ET) tracking in an integrated sensing and communication (ISAC) system. The ET is characterized by its center range, azimuth, orientation, and…

Signal Processing · Electrical Eng. & Systems 2025-04-02 Yiqiu Wang , Meixia Tao , Shu Sun

The operation of critical infrastructures such as the electrical power grid, cellphone towers, and financial institutions relies on precise timing provided by stationary GPS receivers. These GPS devices are vulnerable to a type of spoofing…

Systems and Control · Electrical Eng. & Systems 2024-09-23 Junhwan Lee , Ahmad F. Taha , Nikolaos Gatsis , David Akopian

This paper addresses a two-channel passive detection problem exploiting cyclostationarity. Given a reference channel (RC) and a surveillance channel (SC), the goal is to detect a target echo present at the surveillance array transmitted by…

Signal Processing · Electrical Eng. & Systems 2020-06-24 Stefanie Horstmann , David Ramírez , Peter J. Schreier

Dual functional radar and communication (DFRC) systems are a viable approach to extend the services of future communication systems. Most studies designing DFRC systems assume that the target direction is known. In our paper, we address a…

Signal Processing · Electrical Eng. & Systems 2024-12-11 Mateen Ashraf , Anna Gaydamaka , Dmitri Moltchanov , John Thompson , Mikko Valkama , Bo Tan

Underwater acoustic target detection in remote marine sensing operations is challenging due to complex sound wave propagation. Despite the availability of reliable sonar systems, target recognition remains a difficult problem. Various…

Sound · Computer Science 2023-07-27 Jarin Ritu , Ethan Barnes , Riley Martell , Alexandra Van Dine , Joshua Peeples

P300-based spellers are one of the main methods for EEG-based brain-computer interface, and the detection of the P300 target event with high accuracy is an important prerequisite. The rapid serial visual presentation (RSVP) protocol is of…

Neural and Evolutionary Computing · Computer Science 2019-01-31 Ori Tal , Doron Friedman

This paper studies a near-field integrated sensing and communication (ISAC) system with extremely large-scale antenna array (ELAA), in which a base station (BS) deployed with enormous number of antennas transmits wireless signals to…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Haocheng Hua , Jie Xu , Rui Zhang

We consider the problem of localizing a target taking the help of a set of anchor beacon nodes.A small number of beacon nodes are deployed at known locations in the area.The target can detect a beacon provided it happens to lie within the…

Networking and Internet Architecture · Computer Science 2015-07-20 S. N. Bharadwaj , S. N. Jagadeesha , S. Ravindra

The extended state observer (ESO) plays an important role in the design of feedback control for nonlinear systems. However, its high-gain nature creates a challenge in engineering practice in cases where the output measurement is corrupted…

Systems and Control · Electrical Eng. & Systems 2020-09-30 Krzysztof Łakomy , Rafal Madonski
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