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The Laser Interferometer Space Antenna (LISA) is a planned space-based observatory designed to detect gravitational waves (GWs) within the millihertz frequency range. LISA is anticipated to observe the inspiral of compact objects into black…

广义相对论与量子宇宙学 · 物理学 2025-05-26 Stefan H. Strub , Lorenzo Speri , Domenico Giardini

The far-infrared (FIR) is one of the few wavelength ranges where no astronomical data with sub-arcsec resolution exist yet. Neither of the medium-term satellite projects like SPICA, Millimetron or OST will resolve this malady. Information…

Time delay interferometry (TDI) is a post-processing technique used in the Laser Interferometer Space Antenna (LISA) to reduce laser frequency noise by building an equal-arm interferometer via combining time-shifted raw phase measurements.…

广义相对论与量子宇宙学 · 物理学 2022-04-06 Olaf Hartwig , Martina Muratore

We study numerically the region above the critical temperature of the four dimensional Random Field Ising Model. Using a cluster dynamic we measure the connected and disconnected magnetic susceptibility and the connected and disconnected…

无序系统与神经网络 · 物理学 2009-10-30 Roberto Sacconi

Infrared thermography (IRT) is a widely used temperature measurement technology, but it faces the problem of measurement errors under interference factors. This paper attempts to summarize the common interference factors and temperature…

信号处理 · 电气工程与系统科学 2025-02-26 Dong Pan , Tan Mo , Zhaohui Jiang , Yuxia Duan , Xavier Maldague , Weihua Gui

Reconfigurable intelligent surface (RIS) is a new technique that is able to manipulate the wireless environment smartly and has been exploited for assisting the wireless communications, especially at high frequency band. However, it suffers…

信息论 · 计算机科学 2023-04-14 Jun Yang , Yijian Chen , Yijun Cui , Qingqing Wu , Jianwu Dou , Yuxin Wang

Remote sensing data products often include quality flags that inform users whether the associated observations are of good, acceptable or unreliable qualities. However, such information on data fidelity is not considered in remote sensing…

应用统计 · 统计学 2022-08-19 Bledar A. Konomi , Emily L. Kang , Ayat Almomani , Jonathan Hobbs

Channel charting (CC) consists in learning a mapping between the space of raw channel observations, made available from pilot-based channel estimation in multicarrier multiantenna system, and a low-dimensional space where close points…

信号处理 · 电气工程与系统科学 2024-07-24 Taha Yassine , Luc Le Magoarou , Matthieu Crussière , Stephane Paquelet

The experimental verification of the quantum nature of gravity represents a milestone in quantum gravity research. Recently, interest has grown for testing it via gravitationally induced entanglement (GIE). Here, we propose a space-based…

广义相对论与量子宇宙学 · 物理学 2025-10-15 Nobuyuki Matsumoto , Katsuta Sakai , Kosei Hatakeyama , Kiwamu Izumi , Daisuke Miki , Satoshi Iso , Akira Matsumura , Kazuhiro Yamamoto

A novel chiral interferometer is proposed that allows for a direct measurement of the phase of the transmission coefficient for transport through a variety of mesoscopic structures in a strong magnetic field. The effects of…

介观与纳米尺度物理 · 物理学 2009-10-31 Michael R. Geller

Global Positioning System (GPS) satellites broadcast at frequencies of 1,575.42 MHz (L1) and of 1,227.60 MHz (L2). The dispersive property of the ionosphere can be used to combine independent measurements at the two frequencies to estimate…

天体物理学 · 物理学 2007-05-23 E. Ros , J. M. Marcaide , J. C. Guirado , E. Sardon , I. I. Shapiro

The VLTI instrument GRAVITY will provide very powerful astrometry by combining the light from four telescopes for two objects simultaneously. It will measure the angular separation between the two astronomical objects to a precision of 10…

The primary scientific results of the future space-based gravitational wave interferometer LISA will come from the parameter inference of a large variety of gravitational wave sources. However, the presence of calibration errors could…

广义相对论与量子宇宙学 · 物理学 2022-08-31 Etienne Savalle , Jonathan Gair , Lorenzo Speri , Stanislav Babak

We report on a traceable calibration system for a 3500mm-long console that carries a measurement system for inspecting the diameter of a circular reactor chassis. The system uses two single-pass laser interferometers with homodyne fringe…

We study gravitational-wave dephasing induced by an effective first-order phase transition in a Kerr extreme mass-ratio inspiral (EMRI). The transition is modeled phenomenologically as a finite-width restructuring of the dissipative flux…

广义相对论与量子宇宙学 · 物理学 2026-03-30 Jingxu Wu , Liangyu Luo , Junyi Zhang , Jiyun Yang , Haoxiang Ma , Jie Shi

The method of digital processing of laser radiation interference pattern with the digital microscope and original two-beam interferometer with the phase Bragg grating as the amplitude beam splitter for a quantitative determination of the…

光学 · 物理学 2012-10-17 Eugene A. Tikhonov

PHASECam is the fringe tracker for the Large Binocular Telescope Interferometer (LBTI). It is a near-infrared camera which is used to measure both tip/tilt and fringe phase variations between the two adaptive optics (AO) corrected apertures…

天体物理仪器与方法 · 物理学 2020-07-30 Erin R. Maier , Phil Hinz , Denis Defrère , Paul Grenz , Elwood Downey , Steve Ertel , Katie Morzinski , Ewan S. Douglas

Time-delay interferometry (TDI) is essential for space-based gravitational wave (GW) missions to effectively suppress laser frequency noise and achieve targeting sensitivity. The principle of the TDI is to synthesize multiple laser link…

广义相对论与量子宇宙学 · 物理学 2024-03-05 Gang Wang

The proposed Laser Interferometer Space Antenna (LISA) mission is tasked with the detection and characterization of gravitational waves from various sources in the universe. This endeavor is challenged by transient displacement and…

天体物理仪器与方法 · 物理学 2024-05-21 Niklas Houba , Luigi Ferraioli , Domenico Giardini

We present a unique matter-wave interferometer whose phase scales with the cube of the time the atom spends in the interferometer. Our scheme is based on a full-loop Stern-Gerlach interferometer incorporating four magnetic field gradient…