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We report on laboratory test results of the Compact Water Vapor Radiometer (CWVR) prototype for the NSF's Karl G. Jansky Very Large Array (VLA), a five-channel design centered around the 22 GHz water vapor line. Fluctuations in precipitable…

天体物理仪器与方法 · 物理学 2019-08-20 Ajay Gill , Robert J. Selina , Bryan J. Butler

In particle image velocimetry (PIV) the measurement signal is contained in the recorded intensity of the particle image pattern superimposed on a variety of noise sources. The signal-to-noise-ratio (SNR) strength governs the resulting PIV…

流体动力学 · 物理学 2015-06-19 Zhenyu Xue , John J. Charonko , Pavlos P. Vlachos

Optical neural networks are at the forefront of computational innovation, utilizing photons as the primary carriers of information and employing optical components for computation. However, the fundamental nonlinear optical device in the…

By utilizing the quadratic dependency of the interferometry phase on time, the Hannover Very Long Baseline Atom Interferometer facility (VLBAI) aims for sub nm/s$^2$ gravity measurement sensitivity. With its 10 m vertical baseline, VLBAI…

Non-intrusive load monitoring (NILM) as the process of extracting the usage pattern of appliances from the aggregated power signal is among successful approaches aiding residential energy management. In recent years, high volume datasets on…

系统与控制 · 电气工程与系统科学 2021-01-19 Mohammad-Mehdi Keramati , Elnaz Azizi , Hamidreza Momeni , Sadegh Bolouki

In this paper, we conducted a Multi-Perspective Comparative Narrative Analysis (CNA) on three prominent LLMs: GPT-3.5, PaLM2, and Llama2. We applied identical prompts and evaluated their outputs on specific tasks, ensuring an equitable and…

计算与语言 · 计算机科学 2025-04-14 Leo Kampen , Carlos Rabat Villarreal , Louis Yu , Santu Karmaker , Dongji Feng

We propose an approach to measuring nonresonant coupled systems, which gives a parametrically smaller error than the conventional fast projective measurements. The approach takes into account that, due to the coupling, excitations are not…

量子物理 · 物理学 2009-03-05 L. Fedichkin , M. Shapiro , M. I. Dykman

Standard three-flavor neutrino oscillations have well explained by a wide range of neutrino experiments. However, the anomalous results, such as electron-antineutrino excess seen by LSND and MiniBooNE do not fit the three-flavor paradigm.…

高能物理 - 实验 · 物理学 2017-10-03 Rijeesh Keloth , Adam Aurisano , Alexander Sousa , Gavin S Davies , Louise Suter , Robert K Plunkett

In this work, we investigate the performance of indoor visible light communication (VLC) networks based on power domain non-orthogonal multiple access (NOMA) for mobile devices, where multiple legitimate users are equipped with photodiodes…

信息论 · 计算机科学 2024-12-10 Tianji Shen , Vamoua Yachongka , Yuto Hama , Hideki Ochiai

The optical-to-electrical conversion, which is the basis of optical detectors, can be linear or nonlinear. When high sensitivities are needed single-photon detectors (SPDs) are used, which operate in a strongly nonlinear mode, their…

Very Long Baseline Atom Interferometry (VLBAI) corresponds to ground-based atomic matter-wave interferometry on large scales in space and time, letting the atomic wave functions interfere after free evolution times of several seconds or…

The recent advances in modelling nonlinear interference of systems operating beyond the C-band are discussed. Estimation accuracy as well as computational complexity of current approaches are compared and addressed.

信号处理 · 电气工程与系统科学 2019-05-08 Daniel Semrau , Robert I. Killey , Polina Bayvel

This paper presents a low-noise amplifier (LNA) that was developed for a new radio telescope comprised of 512 parabolic dish antennas. The LNA closely interfaces to a custom-made antenna feed with an impedance co-designed to provide noise…

天体物理仪器与方法 · 物理学 2025-09-23 Mark Lai , Vincent MacKay , Dallas Wulf , Peter Shmerko , Leonid Belostotski

Nestedness is a property of interaction networks widely observed in natural mutualistic communities. Despite a widespread interest on this pattern, no general consensus exists on how to measure it. Instead, several metrics aiming at…

物理与社会 · 物理学 2020-02-04 Claudia Payrato-Borras , Laura Hernandez , Yamir Moreno

In this thesis the creation of nonlinear interference noise (NLIN) in the context of impairment aware flexible optical networks is investigated to estimate transmission quality. In particular, the nonlinear interference of neighboring…

信号处理 · 电气工程与系统科学 2020-12-14 Joschua Dilly

Resistive switching devices and other components with negative differential resistance (NDR) are emerging as possible electronic constituents of next-generation computing architectures. Due to the NDR effects exhibited, switching operations…

仪器与探测器 · 物理学 2024-06-19 T. Hennen , E. Wichmann , R. Waser , D. J. Wouters , D. Bedau

When evaluating the clinical performance of a medical imaging device, a multi-reader multi-case (MRMC) analysis is usually applied to account for both case and reader variability. For a clinical task that equates to a quantitative…

定量方法 · 定量生物学 2021-07-20 Si Wen , Brandon D. Gallas

We propose a new family of test signals for acoustic measurements such as impulse response, nonlinearity, and the effects of background noise. The proposed family complements difficulties in existing families, the Swept-Sine (SS),…

音频与语音处理 · 电气工程与系统科学 2021-02-16 Hideki Kawahara , Ken-Ichi Sakakibara , Mitsunori Mizumachi , Hideki Banno , Masanori Morise , Toshio Irino

The PVLAS collaboration is at present running, at the Laboratori Nazionali di Legnaro of I.N.F.N., Padova, Italy, a very sensitive optical ellipsometer capable of measuring the small rotations or ellipticities which can be acquired by a…

ITER Nb3Sn strand quality verification tests require large quantities of precise measurements. Therefore regular cross-checking between testing laboratories is critically important. In this paper, we present results from a cross-checking…

仪器与探测器 · 物理学 2018-07-04 J. Lu , S. Hill , D. McGuire , K. Dellinger , A. Nijhuis , W. A. J. Wessel , H. J. G. Krooshoop , K. Chan , N. N. Martovestky