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Robust multisensor fusion of multi-modal measurements such as IMUs, wheel encoders, cameras, LiDARs, and GPS holds great potential due to its innate ability to improve resilience to sensor failures and measurement outliers, thereby enabling…

Robotics · Computer Science 2023-09-28 Woosik Lee , Patrick Geneva , Chuchu Chen , Guoquan Huang

We propose a novel scheme for laser phase noise measurements with minimized sensitivity to external fluctuations including interferometer vibration, temperature instability, other low-frequency noise, and relative intensity noise. In order…

We demonstrate a microfabricated optomechanical accelerometer that is capable of percent-level accuracy without external calibration. To achieve this capability, we use a mechanical model of the device behavior that can be characterized by…

Instrumentation and Detectors · Physics 2022-05-25 Benjamin J. Reschovsky , David A. Long , Feng Zhou , Yiliang Bao , Richard A. Allen , Thomas W. LeBrun , Jason J. Gorman

Currently planned and constructed terrestrial detectors for gravitational waves and dark matter based on differential light-pulse atom interferometry are designed around three primary strategies to enhance their sensitivity: (i)…

Quantum Physics · Physics 2025-09-11 Patrik Schach , Enno Giese

An experimental protocol is developed to directly measure the new material functions revealed by medium amplitude parallel superposition (MAPS) rheology. This experimental protocol measures the medium amplitude response of a material to a…

Soft Condensed Matter · Physics 2022-02-10 Kyle R. Lennon , Michela Geri , Gareth H. McKinley , James W. Swan

Integrated Sensing and Communication (ISAC) emerges as a promising technology for B5G/6G, particularly in the millimeter-wave (mmWave) band. However, the widespread adoption of hybrid architecture in mmWave systems compromises multiplexing…

Signal Processing · Electrical Eng. & Systems 2024-03-18 Boxun Liu , Shijian Gao , Zonghui Yang , Xiang Cheng

An automated temperature-controlled electrical DC voltage and DC resistance multiple reference standard (MRS) has been developed by Measurements International (MI) with the scientific support from the Istituto Nazionale di Ricerca…

Instrumentation and Detectors · Physics 2025-01-22 F. Gallianaa , P. Capra , R. Cerri , C. Francese , M. Lanzillotti L. Roncaglione Tet , F. Pennecchi , A. Pollarolo

Micro-Electro-Mechanical, so called 'MEMs,' vapor cells are a key component in atom-based quantum sensors, such as clocks, gyroscopes, electric field sensors and magnetometers. MEMs vapor cell fabrication for Rydberg atom radio frequency…

Inertial measurement units (IMUs) are used in medical applications for many different purposes. However, an IMU's measurement accuracy can degrade over time, entailing re-calibration. In their 2014 paper, Tedaldi et al. presented an IMU…

Signal Processing · Electrical Eng. & Systems 2022-07-12 Fritz Webering , Sarah Kleinjohann , Nils Stanislawski , Holger Blume

Narrow-band intensity-difference squeezing beams have important applications in quantum metrology and gravitational wave detection. The best way to generate narrow-band intensity-difference squeezing is to employ parametrically-amplified…

Optics · Physics 2017-10-25 Da Zhang , Changbiao Li , Zhaoyang Zhang , Feng Li , Yiqi Zhang , Yanpeng Zhang , Min Xiao

This paper describes a new all-digital technique for calibration of the mismatches in time-interleaved analog-to-digital converters (TIADCs) to reduce the circuit area. The proposed technique gives the first order approximation of the gain…

Signal Processing · Electrical Eng. & Systems 2018-06-26 Jiadong Hu , Zhe Cao , Qi An , Lei Zhao , Shubin Liu

We consider the dynamics of overdamped MEMS devices undergoing the pull-in instability. Numerous previous experiments and numerical simulations have shown a significant increase in the pull-in time under DC voltages close to the pull-in…

Applied Physics · Physics 2017-12-04 Michael Gomez , Derek E. Moulton , Dominic Vella

In this paper we present an experimental setup and an associated mathematical model to study the synchronization of two self sustained strongly coupled mechanical oscillators (metronomes). The effects of a small detuning in the internal…

Chaotic Dynamics · Physics 2014-07-09 N. Chakrabarty , A. Jain , Nijil Lal C. K. , K. Das Gupta , P. Parmananda

The displacement of micro-electro-mechanical-systems (MEMS) cantilevers is used to measure a broad variety of phenomena in devices ranging from force microscopes to biochemical sensors to thermal imaging systems. We demonstrate the first…

Quantum Physics · Physics 2016-11-25 R. C. Pooser , B. J. Lawrie

Currently, an upgrade consisting of seven densely instrumented strings in the center of the volume of the IceCube detector with new digital optical modules (DOMs) is being built. On each string, DOMs will be regularly spaced with a vertical…

Instrumentation and Methods for Astrophysics · Physics 2023-08-14 Christoph Tönnis , Seowon Choi , Carsten Rott , Minyeong Seo , Jiwoong Lee

Accurate spatiotemporal calibration is a prerequisite for multisensor fusion. However, sensors are typically asynchronous, and there is no overlap between the fields of view of cameras and LiDARs, posing challenges for intrinsic and…

Robotics · Computer Science 2025-01-07 Yuezhang Lv , Yunzhou Zhang , Chao Lu , Jiajun Zhu , Song Wu

We propose a straightforward and cost-effective method to perform diffuse soundfield measurements for calibrating the magnitude response of a microphone array. Typically, such calibration is performed in a diffuse soundfield created in…

Voice-Controllable Devices (VCDs) have seen an increasing trend towards their adoption due to the small form factor of the MEMS microphones and their easy integration into modern gadgets. Recent studies have revealed that MEMS microphones…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-17 Hashim Ali , Dhimant Khuttan , Rafi Ud Daula Refat , Hafiz Malik

We present a novel system architecture for a distributed wireless, self-calibrating ultrasound microphone network for synchronized in-air acoustic sensing. Once deployed the embedded nodes determine their position in the environment using…

Signal Processing · Electrical Eng. & Systems 2025-06-25 Dennis Laurijssen , Rens Baeyens , Walter Daems , Jan Steckel

The next generation of Far-infrared and X-ray space observatories will require detector arrays with thousands of transition edge sensor (TES) pixel. It is extremely important to have a tool that is able to characterize all the pixels and…

Instrumentation and Detectors · Physics 2021-02-19 E. Taralli , P. Khosropanah , L. Gottardi , K. Nagayoshi , M. L. Ridder , M. P. Bruijn , J. R. Gao