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On Time-of-arrival Positioning in a Multipath Environment
IEEE Transactions on Vehicular Technology, 2005Wireless geolocation in a multipath environment is of particular interest for wideband communications and fast-developing ultrawideband (UWB) technologies. Conventional methods are solely based on first arriving signals. In this paper, it is investigated whether and under what conditions processing delay estimates of multipath components in addition to
Yihong Qi +2 more
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Time-of-arrival estimation for blind beamforming
2013 18th International Conference on Digital Signal Processing (DSP), 2013Ad-hoc arrays formed by mobile devices are increasingly available to capture audio and video in social events. Using spatial signal processing algorithms, e.g., beamforming, with microphone signals of such arrays is hindered by the unknown locations of the devices and the lack of temporal synchronization between them. While self-calibration methods can
Tinakari Aki, Pertilä Pasi
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Predicting Shuttle Arrival Time in Istanbul
2019Nowadays, transportation companies look for smart solutions in order to improve quality of their services. Accordingly, an intercity bus company in Istanbul aims to improve their shuttle schedules. This paper proposes revising scheduling of the shuttles based on their estimated travel time in the given timeline.
Selami Çoban +2 more
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Physics Letters A, 1993
Abstract A simple derivation, using Bohm trajectories, is given of Dumont and Marchioro's expression for the distribution of arrival times of transmitted particles at a point on the far side of a 1D barrier. Calculated distributions are presented and the “quantum speed-up effect” discussed from the Bohm trajectory viewpoint.
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Abstract A simple derivation, using Bohm trajectories, is given of Dumont and Marchioro's expression for the distribution of arrival times of transmitted particles at a point on the far side of a 1D barrier. Calculated distributions are presented and the “quantum speed-up effect” discussed from the Bohm trajectory viewpoint.
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Comment on “Arrival time in quantum mechanics” and “Time of arrival in quantum mechanics”
Physical Review A, 1999Contrary to claims contained in papers by Grot, Rovelli, and Tate [Phys. Rev. A 54, 4676 1996)] and Delgado and Muga [Phys. Rev. A 56, 3425 (1997)], the ``time operator,'' which I have constructed [Rep. Math. Phys. 6, 361 (1974)] in an axiomatic way, is a self-adjoint operator existing in a usual Hilbert space of (nonrelativistic or relativistic ...
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SPIE Proceedings, 2003
A femtosecond electromagnetic pulse propagating in a linear dispersive medium is analyzed in phase spaces of (space, wave number) and (time, frequency). First moment densities are computed as eigenvalues of differential operators acting on Hilbert ray representations of the pulse in relevant domains.
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A femtosecond electromagnetic pulse propagating in a linear dispersive medium is analyzed in phase spaces of (space, wave number) and (time, frequency). First moment densities are computed as eigenvalues of differential operators acting on Hilbert ray representations of the pulse in relevant domains.
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2018
For a radiolocation system the position of an object is determined using some characteristic of the radio frequency signal. These characteristics could include the signal strength, the signal phase (for angle of arrival measurements) or the propagation time-of-flight (TOF) from the transmitter to the receive.
Ian Sharp, Kegen Yu
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For a radiolocation system the position of an object is determined using some characteristic of the radio frequency signal. These characteristics could include the signal strength, the signal phase (for angle of arrival measurements) or the propagation time-of-flight (TOF) from the transmitter to the receive.
Ian Sharp, Kegen Yu
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Transit Arrival Time Prediction Using Interaction Networks
IEEE Transactions on Intelligent Transportation Systems, 2023Xiaofeng Li +2 more
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