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Interferometry, as the key technique in modern precision measurements, has been used for length diagnosis in the fields of engineering metrology and astronomy. Analogous interferometric technique for time domain precision measurement is a…

Optics · Physics 2019-11-15 Zhen Yang , Wei Cao , Yunlong Mo , Huiyao Xu , Kang Mi , Pengfei Lan , Qingbin Zhang , Peixiang Lu

Internet of Things (IoT) systems continuously collect a large amount of data from heterogeneous "smart objects" through standardised service interfaces. A key challenge is how to use these data and relevant event logs to construct…

Software Engineering · Computer Science 2018-12-17 Ahmed Abdullah , Heinz W. Schmidt , Maria Spichkova , Huai Liu

When observing from the ground one has to deal with the turbulence from the atmosphere and the turbulence caused by the telescope's surroundings. In order to find the best sites for future solar telescopes and develop multi-conjugate…

Solar and Stellar Astrophysics · Physics 2011-03-23 Maria Tham

The VLTI Spectro Imager project aims to perform imaging with a temporal resolution of 1 night and with a maximum angular resolution of 1 milliarcsecond, making best use of the Very Large Telescope Interferometer capabilities. To fulfill the…

This paper introduces a novel framework for distributed two-sample testing using the Integrated Transportation Distance (ITD), an extension of the Optimal Transport distance. The approach addresses the challenges of detecting distributional…

Methodology · Statistics 2025-06-23 Zhengqi Lin , Yan Chen

Wi-Fi sensing has been extensively explored for various applications, including vital sign monitoring, human activity recognition, indoor localization, and tracking. However, practical implementation in real-world scenarios is hindered by…

Networking and Internet Architecture · Computer Science 2025-12-02 He Wang , Yunpeng Ge , Ivan Wang-Hei Ho

The efficiency of wireless information and power transfer (WIPT) systems requires an essential reevaluation and rethinking of the entire transceiver chain, which is characterized by a bottom-up multi-layer design approach. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2022-04-13 Ioannis Krikidis , Constantinos Psomas

Radio Frequency Interference (RFI) has historically plagued radio astronomy, worsening with the rapid spread of electronics and increasing telescope sensitivity. We present a multi-dimensional probabilistic framework for characterising the…

Instrumentation and Methods for Astrophysics · Physics 2021-10-25 Isaac Sihlangu , Nadeem Oozeer , Bruce A. Bassett

We present a new multiband extension to the crowdsource photometric pipeline, enabling simultaneous fitting across multiple imaging bands in crowded fields. The core idea is that multiple images of the same part of the sky should have the…

Instrumentation and Methods for Astrophysics · Physics 2026-04-29 Jayashree Behera , Edward F. Schlafly , Aaron M. Meisner , Lucas Napolitano

Kinetic inductance detectors (KIDs) have been proven as reliable systems for astrophysical observations, especially in the millimetre range. Their compact size enables to optimally fill the focal plane, thus boosting sensitivity. The KISS…

The precise measurement of low temperatures is a challenging, important and fundamental task for quantum science. In particular, in-situ thermometry is highly desirable for cold atomic systems due to their potential for quantum simulation.…

Fall detection is a serious healthcare issue that needs to be solved. Falling without quick medical intervention would lower the chances of survival for the elderly, especially if living alone. Hence, the need is there for developing fall…

Networking and Internet Architecture · Computer Science 2021-05-21 Ayman Al-Kababji , Abbes Amira , Faycal Bensaali , Abdulah Jarouf , Lisan Shidqi , Hamza Djelouat

State-of-the-art device-free localization systems infer presence and location of users based on received signal strength measurements of line-of-sight links in wireless networks. In this letter, we propose to enhance device-free…

Signal Processing · Electrical Eng. & Systems 2022-05-11 Martin Schmidhammer , Christian Gentner , Stephan Sand , Uwe-Carsten Fiebig

The precise measurement of temperature is crucial in various fields such as biology, medicine, industrial automation, energy management, and daily life applications. While in most scenarios, sensors with a fixed thermal conductivity…

Applied Physics · Physics 2024-01-09 Haohan Tan , Haoyang Cai , Peng Jin , Jiping Huang

Two subspace fitting approaches are proposed for wideband near-field localization. Unlike in conventional far-field systems, where distance and angle can be estimated separately, spherical wave propagation in near-field systems couples…

Signal Processing · Electrical Eng. & Systems 2025-08-07 Ruiyun Zhang , Zhaolin Wang , Zhiqing Wei , Yuanwei Liu , Zehui Xiong , Zhiyong Feng

Much of the progress made in time-domain astronomy is accomplished by relating observational multi-wavelength time series data to models derived from our understanding of physical laws. This goal is typically accomplished by dividing the…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 James Guillochon , Matt Nicholl , V. Ashley Villar , Brenna Mockler , Gautham Narayan , Kaisey S. Mandel , Edo Berger , Peter K. G. Williams

This research proposes an extensive technique for monitoring and controlling the industrial parameters using Internet of Things (IoT) technology based on wireless communication. We proposed a system based on NRF transceivers to establish a…

Networking and Internet Architecture · Computer Science 2026-04-09 Muhammad Junaid Asif , Abdul Rehman , Asim Mehmood , Muhammad Hamza , Rana Fayyaz Ahmad , Shazia Saqib

The accuracy of microwave measurements is not only critical for applications in telecommunication and radar, but also for future quantum computers. Qubit technologies such as superconducting qubits or spin qubits require detecting minuscule…

Quantum Physics · Physics 2023-03-14 N. Crescini , E. G. Kelly , G. Salis , A. Fuhrer

One of the limiting noise sources of ground-based gravitational wave detectors at frequencies below 30 Hz is control-induced displacement noise. Compact laser interferometric sensors are a prime candidate for improved local displacement…

Instrumentation and Detectors · Physics 2025-11-04 Nils Leander Weickhardt , Artem Basalaev , Oliver Gerberding

The tip-tilt stabilisation system of the 1.8 m Auxiliary Telescopes of the Very Large Telescope Interferometer was never dimensioned for robust fringe tracking, except when atmospheric seeing conditions are excellent. Increasing the level…