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The movable antenna (MA) technology has attracted increasing attention in wireless communications due to its capability for flexibly adjusting the positions of multiple antennas in a local region to reconfigure channel conditions. In this…

信息论 · 计算机科学 2024-08-13 Nianzu Li , Weidong Mei , Boyu Ning , Peiran Wu

Millimeter wave (mmWave) communication by utilizing lens antenna arrays is a promising technique for realizing cost-effective 5G wireless systems with large MIMO (multiple-input multiple-output) but only limited radio frequency (RF) chains.…

信息论 · 计算机科学 2016-11-21 Yong Zeng , Lu Yang , Rui Zhang

Recent advances in deep learning for vision tasks have seen the rise of State Space Models (SSMs) like Mamba, celebrated for their linear scalability. However, their adaptation to 2D visual data often necessitates complex modifications that…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Minjong Cheon , Changbae Mun

Modular Arrays (MAs) are a promising architecture to enable multi-user communications in next-generation multiple-input multiple-output (MIMO) systems based on extra-large (XL) or gigantic MIMO (gMIMO) deployments, trading off improved…

信号处理 · 电气工程与系统科学 2025-05-08 José P. González-Coma , Santiago Fernández , F. Javier López-Martínez

The Advanced Gamma-ray Imaging System (AGIS) is a next-generation ground-based gamma-ray observatory being planned in the U.S. The anticipated sensitivity of AGIS is about one order of magnitude better than the sensitivity of current…

天体物理仪器与方法 · 物理学 2019-08-13 G. Maier

We present our second paper on the Allen Telescope Array Twenty-centimeter Survey (ATATS), a multi-epoch, ~700 sq. deg. radio image and catalog at 1.4 GHz. The survey is designed to detect rare, bright transients as well as to commission…

宇宙学与河外天体物理 · 物理学 2015-05-27 Steve Croft , Geoffrey C. Bower , Garrett Keating , Casey Law , David Whysong , Peter K. G. Williams , Melvyn Wright

Detection of the faint 21 cm line emission from the Cosmic Dawn and Epoch of Reionisation will require not only exquisite control over instrumental calibration and systematics to achieve the necessary dynamic range of observations but also…

天体物理仪器与方法 · 物理学 2025-01-09 Piyanat Kittiwisit , Steven G. Murray , Hugh Garsden , Philip Bull , Christopher Cain , Aaron R. Parsons , Jackson Sipple , Zara Abdurashidova , Tyrone Adams , James E. Aguirre , Paul Alexander , Zaki S. Ali , Rushelle Baartman , Yanga Balfour , Adam P. Beardsley , Lindsay M. Berkhout , Gianni Bernardi , Tashalee S. Billings , Judd D. Bowman , Richard F. Bradley , Jacob Burba , Steven Carey , Chris L. Carilli , Kai-Feng Chen , Carina Cheng , Samir Choudhuri , David R. DeBoer , Eloy de Lera Acedo , Matt Dexter , Joshua S. Dillon , Scott Dynes , Nico Eksteen , John Ely , Aaron Ewall-Wice , Nicolas Fagnoni , Randall Fritz , Steven R. Furlanetto , Kingsley Gale-Sides , Bharat Kumar Gehlot , Abhik Ghosh , Brian Glendenning , Adelie Gorce , Deepthi Gorthi , Bradley Greig , Jasper Grobbelaar , Ziyaad Halday , Bryna J. Hazelton , Jacqueline N. Hewitt , Jack Hickish , Tian Huang , Daniel C. Jacobs , Alec Josaitis , Austin Julius , MacCalvin Kariseb , Nicholas S. Kern , Joshua Kerrigan , Honggeun Kim , Saul A. Kohn , Matthew Kolopanis , Adam Lanman , Paul La Plante , Adrian Liu , Anita Loots , Yin-Zhe Ma , David H. E. MacMahon , Lourence Malan , Cresshim Malgas , Keith Malgas , Bradley Marero , Zachary E. Martinot , Andrei Mesinger , Mathakane Molewa , Miguel F. Morales , Tshegofalang Mosiane , Abraham R. Neben , Bojan Nikolic , Chuneeta Devi Nunhokee , Hans Nuwegeld , Robert Pascua , Nipanjana Patra , Samantha Pieterse , Yuxiang Qin , Eleanor Rath , Nima Razavi-Ghods , Daniel Riley , James Robnett , Kathryn Rosie , Mario G. Santos , Peter Sims , Saurabh Singh , Dara Storer , Hilton Swarts , Jianrong Tan , Nithyanandan Thyagarajan , Pieter van Wyngaarden , Peter K. G. Williams , Zhilei Xu , Haoxuan Zheng

We test the bandpass smoothness performance of two prototype Square Kilometre Array (SKA) SKA1-Low log-periodic dipole antennas, the SKALA2 and SKALA3 (`SKA Log-periodic Antenna'), and the current dipole from the Murchison Widefield Array…

We propose a power- and hardware-efficient, pragmatic, modular, multiuser/multibeam array-fed RIS architecture particularly suited to operate in very high frequency bands (high mmWave and sub-THz), where channels are typically sparse in the…

信号处理 · 电气工程与系统科学 2024-10-10 Krishan Kumar Tiwari , Giuseppe Caire

Accurate and efficient multivariate time series (MTS) analysis is increasingly critical for a wide range of intelligent applications. Within this realm, Transformers have emerged as the predominant architecture due to their strong ability…

机器学习 · 计算机科学 2026-05-19 Rui An , Haohao Qu , Wenqi Fan , Xuequn Shang , Qing Li

Movable antenna (MA) introduces a new degree of freedom for future wireless communication systems by enabling the adaptive adjustment of antenna positions. Its large-range movement renders wireless channels transmission into the near-field…

信息论 · 计算机科学 2026-01-14 Chongjia Sun , Ziwei Wan , Lipeng Zhu , Zhenyu Xiao , Zhen Gao , Rui Zhang

A Magnetic field Aided Inertial Navigation System (MAINS) for indoor navigation is proposed in this paper. MAINS leverages an array of magnetometers to measure spatial variations in the magnetic field, which are then used to estimate the…

机器人学 · 计算机科学 2024-04-25 Chuan Huang , Gustaf Hendeby , Hassen Fourati , Christophe Prieur , Isaac Skog

Microfluidic Trap Arrays (MTAs) have proved efficient tools for several applications requiring working at the single cell level like cancer understanding and treatment or immune synapse research. Unfortunately, it generally appears that…

We describe the performance of our latest generations of sensitive wide-band high-resolution digital Fast Fourier Transform Spectrometer (FFTS). Their design, optimized for a wide range of radio astronomical applications, is presented.…

天体物理仪器与方法 · 物理学 2015-06-04 Bernd Klein , Stefan Hochgürtel , Ingo Krämer , Andreas Bell , Klaus Meyer , Rolf Güsten

The Square Kilometer Array will initiate a new era of radio astronomy by allowing 3D imaging of the Universe during Cosmic Dawn and Reionization. Modern machine learning is crucial to analyse the highly structured and complex signal.…

天体物理仪器与方法 · 物理学 2025-05-15 Ayodele Ore , Caroline Heneka , Tilman Plehn

We present an automated search method for radio transients on the minute timescale focused on the emerging long period transients (LPTs) in image-plane radio data. The method is tuned for use with the Murchison Widefield Array (MWA) and…

天体物理仪器与方法 · 物理学 2025-10-07 Csanád Horváth , Natasha Hurley-Walker , Samuel J. McSweeney , Timothy J. Galvin , John Morgan

We describe the APERture Tile In Focus (Apertif) system, a phased array feed (PAF) upgrade of the Westerbork Synthesis Radio Telescope which has transformed this telescope into a high-sensitivity, wide field-of-view L-band imaging and…

The Advanced X-ray Timing Array (AXTAR) is a mission concept for X-ray timing of compact objects that combines very large collecting area, broadband spectral coverage, high time resolution, highly flexible scheduling, and an ability to…