Results 11 to 20 of about 565 (145)
Experimental Joint Estimation of Phase and Phase Diffusion Via Deterministic Bell Measurements. [PDF]
Adv Sci (Weinh)This work employs Bell measurement, a form of entangling measurement, to estimate both the phase and its fluctuations in an optical interferometer. By incorporating a novel quantum effect at the measurement stage, the proposed method achieves the ultimate precision limit and demonstrates the significant potential of entangling measurements in multi ...
Wang B, Mi M, Wang H, Xie Q, Zhang L.
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UAVs-assisted passive source localization using robust TDOA ranging for search and rescue
ICT Express, 2023 Estimating the location of a target in search-and-rescue operations is quite challenging when the target is not responding. Therefore, in this paper, we investigate the passive target localization problem using mobile unmanned aerial vehicles (UAVs ...
Ruhul Amin Khalil +2 more
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Xibei Gongye Daxue Xuebao, 2020 Because the evaluation of the location performance of AUVs with the lower bound of the Cramer-Rao inequality is not intuitive, the geometric interpretation method is proposed based on geometric ellipse.
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Qudit quantum state tomography
Results in Physics, 2023 In this study, we present a new procedure for quantum state reconstruction of qudit quantum state based on unambiguous state discrimination (USD) measurement.
Naser Karimi +3 more
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Thermodynamic uncertainty relation for underdamped dynamics driven by time-dependent protocols
New Journal of Physics, 2022 The thermodynamic uncertainty relation (TUR) for overdamped dynamics has recently been derived for general time-dependent protocols. However, its precedent TUR for underdamped dynamics has not been known yet.
Chulan Kwon, Hyun Keun Lee
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The categorical foundations of quantum information theory: Categories and the Cramer–Rao inequality
Modern Physics Letters A, 2023 An extension of Cencov’s categorical description of classical inference theory to the domain of quantum systems is presented. It provides a novel categorical foundation to the theory of quantum information that embraces both classical and quantum information theories in a natural way, while also allowing to formalize the notion of quantum environment.
Florio M. Ciaglia +4 more
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Quantum information-entropic measures for exponential-type potential
Results in Physics, 2020 The approximate solutions of the Schrödinger equation with the central generalized Hulthén and Yukawa potential are investigated within the framework of the functional method. The obtained wave function and the energy levels are used to study the Shannon
A.N. Ikot +5 more
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Sensing with quantum light: a perspective. [PDF]
NanophotonicsAbstract I present my perspective on sensing with quantum light. I summarise the motivations and methodology for identifying quantum enhancements in sensing over a classical sensor. In the real world, this enhancement will be a constant factor and not increase with the size of the quantum probe as is often advertised.
Datta A.
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Generalized Inequalities to Optimize the Fitting Method for Track Reconstruction
Physics, 2020 A standard criterium in statistics is to define an optimal estimator as the one with the minimum variance. Thus, the optimality is proved with inequality among variances of competing estimators.
Gregorio Landi, Giovanni E. Landi
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Generalized radar/radiometry imaging problems
Journal of Telecommunications and Information Technology, 2001 In the paper the results of spatio-temporal imaging simulation based on radar, synthetic aperture radar (SAR) and radiometry systems are presented. The analytical relationship between object scattering/emitting and the formed image is given and the ...
Ivan Prudyus +4 more
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