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The most general searches for gravitational wave transients (GWTs) rely on data analysis methods that do not assume prior knowledge of the signal waveform, direction, or arrival time on Earth. These searches provide data-driven signal…

We present a method to filter a distribution so that it is confined within a sphere of given radius r_c and, simultaneously, whose Fourier transform is optimally confined within a sphere of radius k_c. Our procedure may have several…

计算物理 · 物理学 2009-11-11 Eduardo Anglada , Jose M. Soler

We compare two advanced designs for gravitational-wave antennas in terms of their ability to detect two possible gravitational wave sources. Spherical, resonant mass antennas and interferometers incorporating resonant sideband extraction…

广义相对论与量子宇宙学 · 物理学 2009-11-07 Gregory M Harry , Janet L Houser , Kenneth A Strain

A method of higher-order modes filtering in an air-filled waveguide using a resistive layer is proposed. An analogue of Cremer's criterion is discussed and used to obtain the optimal modal attenuation of the non-planar waves while the plane…

应用物理 · 物理学 2023-07-18 Svetlana Kuznetsova , Yves Auregan , Vincent Pagneux

A successful experiment combining emission and reception of gravitational waves (GWs) would constitute a premiere of gravity control. However, such experiments manipulating gravity would require to compactly store large amounts of energy…

广义相对论与量子宇宙学 · 物理学 2021-08-24 A. Füzfa

Resonant periodic surfaces and films enable new functionalities with wide applicability in practical optical systems. Their material sparsity, ease of fabrication, and minimal interface count provide environmental and thermal stability and…

光学 · 物理学 2015-09-11 Manoj Niraula , Jae Woong Yoon , Robert Magnusson

The transmitter signals in the fifth generation (5G) wireless networks suffer from significant path loss due to the use of higher frequencies in Sub-6 GHz and millimeter-wave (mmWave) bands. Therefore, beamforming is an essential and…

信号处理 · 电气工程与系统科学 2022-03-02 Md Imrul Hasan , Mohammad Saquib

We review our last work on dispersion-engineered heterogeneous multicore fiber links designed to act as tunable true time delay lines for radiofrequency signals. This approach allows the realization of fiber distributed signal processing in…

信号处理 · 电气工程与系统科学 2018-10-30 Sergi Garcia , Ivana Gasulla

We propose practical transceiver structures for double-sided massive multiple-input-multiple-output (MIMO) systems. Unlike standard massive MIMO, both transmit and receive sides are equipped with high-dimensional antenna arrays. We leverage…

信号处理 · 电气工程与系统科学 2019-11-12 Lucas N. Ribeiro , Stefan Schwarz , André L. F. de Almeida

We demonstrate advanced transversal radio frequency (RF) and microwave functions based on a Kerr optical comb source generated by an integrated micro-ring resonator. We achieve extremely high performance for an optical true time delay aimed…

The prior knowledge of the gravitational waveform from compact binary systems makes matched filtering an attractive detection strategy. This detection method involves the filtering of the detector output with a set of theoretical waveforms…

广义相对论与量子宇宙学 · 物理学 2009-11-07 Edward K. Porter

Recent work by Lawrie et al. [PRR 7, 023209 (2025)] introduced a non-diffracting resonant angular filter on a network of thin channels (modelled via quantum graph theory) that exhibits unit transmission of acoustic waves at a discrete,…

应用物理 · 物理学 2025-12-23 Tristan M. Lawrie , Oliver M. Brown

Along with the development of interferometric gravitational wave detector, we enter into an epoch of gravitational wave astronomy, which will open a brand new window for astrophysics to observe our universe. Almost all of the data analysis…

广义相对论与量子宇宙学 · 物理学 2010-06-29 Li-Fang Li , Jian-Yang Zhu

STREAMFINDER is a new algorithm that we have built to detect stellar streams in an automated and systematic way in astrophysical datasets that possess any combination of positional and kinematic information. In Paper I, we introduced the…

Low-loss planar Goubau lines show promising potential for terahertz applications. However, a single-wire waveguide exhibits less design freedom than standard multi-conductor lines, which is a significant constraint for realizing standard…

应用物理 · 物理学 2022-11-10 Juan Cabello-Sánchez , Vladimir Drakinskiy , Jan Stake , Helena Rodilla

Electromagnetic linear-to-circular polarization converters with wide- and multi-band capabilities can simplify antenna systems where circular polarization is required. Multi-band solutions are attractive in satellite communication systems,…

光学 · 物理学 2022-07-11 Parinaz Naseri , George Goussetis , Nelson J. G. Fonseca , Sean V. Hum

Cost-effective and programmable photonic-driven solutions like electronic counterparts (FPGAs) can be implemented using waveguide mesh architectures along with tunable couplers for routing to implement general-purpose photonic processors.…

新兴技术 · 计算机科学 2022-12-29 Tushar Gaur , Gopalkrishna Hegde , Talabatulla Srinivas

In this paper, we design matched filters for diffusive molecular communication systems taking into account the following impairments: signal-dependent diffusion noise, inter-symbol interference (ISI), and external interfering molecules. The…

信息论 · 计算机科学 2017-05-05 Vahid Jamali , Arman Ahmadzadeh , Robert Schober

This paper addresses the analysis and design of non-reciprocal filters based on time modulated resonators. We analytically show that time modulating a resonator leads to a set of harmonic resonators composed of the unmodulated lumped…

信号处理 · 电气工程与系统科学 2020-02-19 A. Alvarez-Melcon , X. Wu , J. Zang , X. Liu , J. S. Gomez-Diaz

We discuss two approaches to searches for gravitational-wave (GW) and electromagnetic (EM) counterparts of binary neutron star mergers. The first approach relies on triggering archival searches of GW detector data based on detections of EM…

高能天体物理现象 · 物理学 2015-06-03 Ilya Mandel , Luke Z. Kelley , Enrico Ramirez-Ruiz