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Accurate phase connectivity information is essential for advanced monitoring and control applications in power distribution systems. The existing data-driven approaches for phase identification lack precise physical interpretation and…

Systems and Control · Computer Science 2019-08-23 Wenyu Wang , Nanpeng Yu

The Internet of Things (IoT) is pivotal in transforming the way we live and interact with our surroundings. To cope with the advancement in technologies, it is vital to acquire accuracy with the speed. A phase frequency detector (PFD) is a…

Networking and Internet Architecture · Computer Science 2024-01-09 Md. Shahriar Khan Hemel , Mamun Bin Ibne Reaz , Sawal Hamid Bin Md Ali , Mohammad Arif Sobhan Bhuiyan , Mahdi H. Miraz

Phase steps are an important type of wavefront aberrations generated by large telescopes with segmented mirrors. In a closed-loop correction cycle these phase steps have to be measured with the highest possible precision using natural…

Optics · Physics 2009-11-11 L. Noethe , H. M. Adorf

We present here a method for the extraction of the differential phase of an atom gradiometer that exploits the correlation of the vibration signal measured by an auxiliary classical sensor, such as a seismometer or an accelerometer. We show…

Atomic Physics · Physics 2015-06-08 Franck Pereira dos Santos

We study the phase sensitivity in the conventional $SU(2)$ and nonconventional $SU(1,1)$ interferometers with the coherent and squeezed vacuum input state via the quantum Cramer-Rao bound. We explicitly construct the detection scheme that…

Quantum Physics · Physics 2016-08-24 Yang Gao

We describe a method for spectral cleaning and timing calibration of short voltage time series data from individual radio interferometer receivers. It makes use of the phase differences in Fast Fourier Transform (FFT) spectra across antenna…

Instrumentation and Methods for Astrophysics · Physics 2016-05-04 A. Corstanje , S. Buitink , J. E. Enriquez , H. Falcke , J. R. Hörandel , M. Krause , A. Nelles , J. P. Rachen , P. Schellart , O. Scholten , S. ter Veen , S. Thoudam , T. N. G. Trinh

This paper addresses simultaneous, high-precision measurement and analysis of generic reference signals by using inexpensive commercial off-the-shelf Software Defined Radio hardware. Sine reference signals are digitally down-converted to…

Signal Processing · Electrical Eng. & Systems 2018-04-12 Carsten Andrich , Alexander Ihlow , Julia Bauer , Niklas Beuster , Giovanni Del Galdo

Utilizing low-resolution analog-to-digital converters (ADCs) in uplink massive multiple-input multiple-output (MIMO) systems is a practical solution to decrease power consumption. The performance gap between the low and high-resolution…

Information Theory · Computer Science 2023-10-05 Gökhan Yılmaz , Ali Özgür Yılmaz

Conventional sparse phase retrieval schemes can recover sparse signals from the magnitude of linear measurements only up to a global phase ambiguity. This work proposes a novel approach that instead utilizes the magnitude of affine…

Information Theory · Computer Science 2021-05-25 Ming-Hsun Yang , Y. -W. Peter Hong , Jwo-Yuh Wu

With the expansion of the semiconductor supply chain, the use of recycled field-programmable gate arrays (FPGAs) has become a serious concern. Several methods for detecting recycled FPGAs by analyzing the ring oscillator (RO) frequencies…

Hardware Architecture · Computer Science 2022-04-06 Yuya Isaka , Michihiro Shintani , Foisal Ahmed , Michiko Inoue

Reasonable vibration reduction design is an important way to achieve low phase noise index of airborne frequency source output signal. Aiming at the problem of phase noise deterioration of an airborne frequency source under random…

Systems and Control · Electrical Eng. & Systems 2024-07-17 Liwei Yin , Yongjiang Shu , Heng Zhang , Yuefei Dai , Xiaopeng Lu , Yunlong Lian , Zhonghua Wang , Yong Ding

Channel measurements in MIMO systems hinge on precise synchronization. While methods for time and frequency synchronization are well established, maintaining real-time phase coherence remains an open requirement for many MIMO systems. Phase…

Signal Processing · Electrical Eng. & Systems 2026-02-19 Carl Collmann , Ahmad Nimr , Gerhard Fettweis

Measurement of signals generated by superconducting Josephson junction (JJ) circuits require ultra-fast components located in close proximity to the generating circuitry. We report a detailed study of optimal design criteria for a JJ-based…

Instrumentation and Detectors · Physics 2025-03-27 Logan Howe , Bart van Zeghbroeck , David Olaya , John Biesecker , Charles J. Burroughs , Samuel P. Benz , Peter F. Hopkins

We propose a phase-difference estimation algorithm based on the tensor-network circuit compression, leveraging time-evolution data to pursue scalability and higher accuracy on a quantum phase estimation (QPE)-type algorithm. Using tensor…

Quantum Physics · Physics 2026-05-19 Shu Kanno , Kenji Sugisaki , Rei Sakuma , Jumpei Kato , Hajime Nakamura , Naoki Yamamoto

This paper presents experimental results that allow for the performance evaluation of a straight-line reference alignment system based on pseudo-nondiffracting Layer beams. Sensors, developed specifically for this system, feature four…

In this contribution, a design of a synthetic calibration genetic circuit to characterize the relative strength of different sensing promoters is proposed and its specifications and performance are analyzed via an effective mathematical…

Molecular Networks · Quantitative Biology 2026-02-06 D. Gamermann , A. Montagud , P. Aparicio , E. Navarro , J. Triana , F. R. Villatoro , J. F. Urchueguía , P. Fernández de Córdoba

We develop a technique to overcome phase-mismatch in Josephson-junction traveling wave parametric amplifiers in order to achieve high gain over a broad bandwidth. Using "resonant phase matching," we design a compact superconducting device…

Superconductivity · Physics 2014-10-15 Kevin O'Brien , Chris Macklin , Irfan Siddiqi , Xiang Zhang

The sensitivity of phase-sensitive detectors, such as piezoelectric detectors, becomes increasingly directional as the detector element size increases. In contrast, pyroelectric sensors, which are phase-insensitive, retain their…

Numerical Analysis · Mathematics 2022-02-16 Santeri Kaupinmäki , Ben Cox , Simon Arridge

Phase aberration is one of the primary sources of image quality degradation in ultrasound, which is induced by spatial variations in sound speed across the heterogeneous medium. This effect disrupts transmitted waves and prevents coherent…

Image and Video Processing · Electrical Eng. & Systems 2023-05-18 Mostafa Sharifzadeh , Habib Benali , Hassan Rivaz

In the last five decades, iterative phase retrieval methods draw large amount of interest across the research community as a non-interferometric approach to recover quantitative phase distributions from one (or more) intensity measurement.…

Optics · Physics 2020-07-21 Nathaniel Hai , Joseph Rosen