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Accurate calibration of sensor extrinsic parameters for ground robotic systems (i.e., relative poses) is crucial for ensuring spatial alignment and achieving high-performance perception. However, existing calibration methods typically…

Robotics · Computer Science 2025-06-17 Jiang Wang , Yaozhong Kang , Linya Fu , Kazuhiro Nakadai , He Kong

Sensor fusion is a technique used to combine sensors with different noise characteristics into a super sensor that has superior noise performance. To achieve sensor fusion, complementary filters are used in current gravitational-wave…

Instrumentation and Detectors · Physics 2022-09-07 T. T. L. Tsang , T. G. F. Li , T. Dehaeze , C. Collette

The quantum noise in gravitational-wave detectors can be suppressed in a broadband by frequency-dependent squeezing. It usually requires one large scale filter cavity and even two, for example in the low frequency detector of Einstein…

Quantum Physics · Physics 2024-04-24 Xingrui Peng , Denis Martynov , Zonghong Zhu , Teng Zhang

The unprecedented sensitivity of the Laser Interferometer Gravitational-Wave Observatory, which enables the detection of distant astrophysical sources, also renders the detectors highly susceptible to low-frequency ground motion. Persistent…

We present a novel inertial-isolation scheme based on six degree-of-freedom (6D) interferometric sensing of a single reference mass. It is capable of reducing inertial motion by more than two orders of magnitude at 100\,mHz compared with…

Instrumentation and Methods for Astrophysics · Physics 2020-01-08 Conor M. Mow-Lowry , Denis Martynov

We probe four cosmological models which, potentially, can solve the Hubble tension according to the dark energy equation of state. In this context, we demonstrate that the Einstein Telescope is capable of achieving a relative accuracy below…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-19 Matteo Califano , Ivan de Martino , Daniele Vernieri , Salvatore Capozziello

Most control systems run on digital hardware with limited communication resources. This work develops self-triggered control for linear systems where sensors update independently (asynchronous measurements). The controller computes an…

Systems and Control · Electrical Eng. & Systems 2025-11-21 Abbas Tariverdi

In this paper, the secure performance of multiuser multiple-input single-output wireless communications systems assisted by a multifunctional active intelligent reflection surface (IRS) is investigated. The active IRS can simultaneously…

Signal Processing · Electrical Eng. & Systems 2022-05-06 Shaokang Hu , Derrick Wing Kwan Ng , Jinhong Yuan

This paper is concerned with the design of optimal control for finite-dimensional control-affine nonlinear dynamical systems. We introduce an optimal control problem that specifically optimizes nonlinear observability in addition to…

Systems and Control · Computer Science 2017-08-03 Atiye Alaeddini , Kristi A. Morgansen , Mehran Mesbahi

Teleseismic, or distant, earthquakes regularly disrupt the operation of ground--based gravitational wave detectors such as Advanced LIGO. Here, we present \emph{EQ mode}, a new global control scheme, consisting of an automated sequence of…

Instrumentation and Detectors · Physics 2020-12-02 Eyal Schwartz , A Pele , J Warner , B Lantz , J Betzwieser , K L Dooley , S Biscans , M Coughlin , N Mukund , R Abbott , C Adams , R X Adhikari , A Ananyeva , S Appert , K Arai , J S Areeda , Y Asali , S M Aston , C Austin , A M Baer , M Ball , S W Ballmer , S Banagiri , D Barker , L Barsotti , J Bartlett , B K Berger , D Bhattacharjee , G Billingsley , C D Blair , R M Blair , N Bode , P Booker , R Bork , A Bramley , A F Brooks , D D Brown , A Buikema , C Cahillane , K C Cannon , X Chen , A A Ciobanu , F Clara , S J Cooper , K R Corley , S T Countryman , P B Covas , D C Coyne , L E H Datrier , D Davis , C Di Fronzo , J C Driggers , P Dupej , S E Dwyer , A Effler , T Etze , M Evans , T M Evans , J Feicht , A Fernandez-Galiana , P Fritschel , V V Frolov , P Fulda , M Fyffe , J A Giaime , K D Giardina , P Godwin , E Goetz , S Gras , C Gray , R Gray , A C Green , Anchal Gupta , E K Gustafson , R Gustafson , J Hanks , J Hanson , T Hardwick , R K Hasskew , M C Heintze , A F Helmling-Cornell , N A Holland , J D Jones , S Kandhasamy , S Karki , M Kasprzack , K Kawabe , N Kijbunchoo , P J King , J S Kissel , Rahul Kumar , M Landry , B B Lane , M Laxen , Y K Lecoeuche , J Leviton , J Liu , M Lormand , A P Lundgren , R Macas , M MacInnis , D M Macleod , G L Mansell , S M arka , Z M arka , D V Martynov , K Mason , T J Massinger , F Matichard , N Mavalvala1 , R McCarthy , D E McClelland , S McCormick , L McCuller , J McIver , T McRae , G Mendell , K Merfeld , E L Merilh , F Meylahn , T Mistry , R Mittleman , G Moreno , C M Mow-Lowry , S Mozzon , A Mullavey , T J N Nelson , P Nguyen , L K Nuttall , J Oberling , Richard J Oram , C Osthelder , D J Ottaway , H Overmier , J R Palamos , W Parker , E Payne , C J Perez , M Pirello , H Radkins , K E Ramirez , J W Richardson , K Riles , N A Robertson , J G Rollins , C L Romel , J H Romie1 , M P Ross , K Ryan , T Sadecki , E J Sanchez , L E Sanchez , T R Saravanan , R L Savage , D Schaetzl , R Schnabel , R M S Schofield , D Sellers , T Shaffer , D Sigg , B J J Slagmolen , J R Smith , S Soni , B Sorazu , A P Spencer , K A Strain , L Sun , M J Szczepanczyk , M Thomas , P Thomas , K A Thorne , K Toland , C I Torrie , G Traylor , M Tse , A L Urban , G Vajente , G Valdes , D C Vander-Hyde , P J Veitch , K Venkateswara , G Venugopalan , A D Viets , T Vo , C Vorvick , M Wade , R L Ward , B Weaver , R Weiss , C Whittle , B Willke , C C Wipf , L Xiao , H Yamamoto , Hang Yu , Haocun Yu , L Zhang , M E Zucker , J Zweizig

Recent advances in the Internet of Things (IoT) technology have led to a surge on the popularity of sensing applications. As a result, people increasingly rely on information obtained from sensors to make decisions in their daily life.…

Cryptography and Security · Computer Science 2020-08-10 Cheng Feng , Xiao Liang , Daniel Schneegass , PengWei Tian

The Einstein Telescope (ET) will be the next generation gravitational wave observatory in Europe with a sensitivity reaching beyond the CMB into the dark era of the Universe. Each corner of the triangular baseline design is the center of…

Instrumentation and Methods for Astrophysics · Physics 2025-08-25 Thomas Höhn , Adrian Schwenck , Thomas Thümmler , Joachim Wolf , Ralph Engel , Andreas Haungs , Einstein Telescope Pathfinder , collaboration

Recently, the design study `Einstein gravitational wave Telescope' (ET) has been funded within the European FP7 framework. The ambitious goal of this project is to provide a conceptual design of a detector with a hundred times better…

General Relativity and Quantum Cosmology · Physics 2008-11-24 Stefan Hild , Simon Chelkowski , Andreas Freise

Entangled atomic states, such as spin squeezed states, represent a promising resource for a new generation of quantum sensors and atomic clocks. We demonstrate that optimal control techniques can be used to substantially enhance the degree…

Quantum Physics · Physics 2016-02-03 T. Pichler , T. Caneva , S. Montangero , M. D. Lukin , T. Calarco

Over the last few years, there has been a large momentum to ensure that the third-generation era of gravitational wave detectors will find its realisation in the next decades, and numerous design studies have been ongoing for some time.…

Instrumentation and Methods for Astrophysics · Physics 2023-08-02 Anna Puecher , Anuradha Samajdar , Tim Dietrich

The design of a complex instrument such as Einstein Telescope (ET) is based on a target sensitivity derived from an elaborate case for scientific exploration. At the same time it incorporates many trade-off decisions to maximise the…

Instrumentation and Methods for Astrophysics · Physics 2020-04-22 Philip Jones , Teng Zhang , Haixing Miao , Andreas Freise

Quantum systems are powerful detectors with wide-ranging applications from scanning probe microscopy of materials to biomedical imaging. Nitrogen vacancy (NV) centers in diamond, for instance, can be operated as qubits for sensing of…

Quantum Physics · Physics 2024-06-07 Christopher I. Timms , Michael H. Kolodrubetz

Useful quantum metrology requires nonclassical states with a high particle number and (close to) the optimal exploitation of the state's quantum correlations. Unfortunately, the single-particle detection resolution demanded by conventional…

Quantum Physics · Physics 2017-11-08 Samuel P. Nolan , Stuart S. Szigeti , Simon A. Haine

This paper explores an integrated sensing and communication (ISAC) network empowered by multiple active simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs). A base station (BS) furnishes downlink…

Signal Processing · Electrical Eng. & Systems 2025-07-25 Hyeonho Noh , Hyeonsu Lyu , Hyun Jong Yang

Integrated sensing and communication (ISAC) is poised to redefine the landscape of wireless networks by seamlessly combining data transmission and environmental sensing. However, ISAC systems remain susceptible to eavesdropping, especially…

Signal Processing · Electrical Eng. & Systems 2026-03-16 Hancheng Zhu , Zongze Li , Yik-Chung Wu