Results 41 to 50 of about 414,744 (286)

Radio frequency Echo mapping with cellular devices

Scientific Phone Apps and Mobile Devices, 2018
In this paper, a method is presented that employs portable cellular devices to perform three-dimensional localization of metallic objects from a set of time-delayed signals.
Isahar Gabay, Meir Danino, Zeev Zalevsky
doaj   +1 more source

Geolocation a known‐altitude moving source by TDOA and FDOA measurements

Electronics Letters, 2022
Source altitude information, if known or can be measured by an altimeter, can greatly improve localisation performance. In this letter, a novel algebraic solution for known‐altitude moving source geolocation using time difference of arrival and frequency
Yuhao Pei, Guizhou Wu, Fucheng Guo
doaj   +1 more source

A First Comparison Between LIGO and Virgo Inspiral Search Pipelines [PDF]

, 2004
This article reports on a project that is the first step the LIGO Scientific Collaboration and the Virgo Collaboration have taken to prepare for the mutual search for inspiral signals.
A. -c. Clapson, A. Lazzarini, A. Viceré, B. Mours, D. Brown, D. Buskulic, D. Grosjean, E. Katsavounidis, F. Beauville, F. Marion, F. Ricci, G. Guidi, L. Blackburn, L. Bosi, L. Brocco, M. -a. Bizouard, M. Knight, M. Zanolin, N. Christensen, P. Brady, P. Hello, Perugia Italia, Roma Italia, S. Chatterji, S. Fairhurst   +24 more
core   +5 more sources

Joint TDOA, FDOA and PDOA Localization Approaches and Performance Analysis

Remote Sensing, 2023
Multi-station joint localization has important practical significance. In this paper, phase difference of arrival (PDOA) information is introduced into the joint time difference of arrival (TDOA) and frequency difference of arrival (FDOA) localization ...
Jinzhou Li, Shouye Lv, Liujie Lv, Sheng Wu, Yang Liu, Jing Nie, Ying Jin, Chenglin Wang   +7 more
doaj   +1 more source

Geolocation with FDOA Measurements via Polynomial Systems and RANSAC

, 2017
The problem of geolocation of a transmitter via time difference of arrival (TDOA) and frequency difference of arrival (FDOA) is given as a system of polynomial equations.
Bates, Daniel J., Cameron, Karleigh J.
core   +1 more source

Radioelectric Field Features of Extensive Air Showers Observed with CODALEMA [PDF]

, 2006
Based on a new approach to the detection of radio transients associated with extensive air showers induced by ultra high energy cosmic rays, the experimental apparatus CODALEMA is in operation, measuring about 1 event per day corresponding to an energy ...
A. Bellétoile, A. Lecacheux, Allan, Ardouin, Askaryan, Badea, Bird, D. Ardouin, D. Charrier, D. Monnier-Ragaigne, F. Haddad, Falcke, Falcke, Gousset, Green, Hayashida, Huege, J. Lamblin, L. Denis, O. Ravel, P. Eschstruth, P. Lautridou, R. Dallier, S. Valcares, T. Gousset, T. Saugrin, Takeda, Weekes   +27 more
core   +2 more sources

Deep Convolutional Neural Network for Passive RFID Tag Localization Via Joint RSSI and PDOA Fingerprint Features

IEEE Access, 2021
Radio-frequency identification (RFID) localization has drawn much attention with the emergence of the Internet of Things (IoT). Deep learning with applications to RFID localization owns a lot of advantages.
Chao Peng, Hong Jiang, Liangdong Qu
doaj   +1 more source

Beamforming Design for Joint Localization and Data Transmission in Distributed Antenna System

, 2014
A distributed antenna system is studied whose goal is to provide data communication and positioning functionalities to Mobile Stations (MSs). Each MS receives data from a number of Base Stations (BSs), and uses the received signal not only to extract the
Haimovich, Alexander, Jeong, Seongah, Kang, Joonhyuk, Simeone, Osvaldo   +3 more
core   +1 more source

Quantum enhanced positioning and clock synchronization [PDF]

, 2001
A wide variety of positioning and ranging procedures are based on repeatedly sending electromagnetic pulses through space and measuring their time of arrival.
A Peres, AM Steinberg, AN Boto, B Yurke, CK Hong, CM Caves, EJS Fonseca, IL Chuang, J Jacobson, JJ Bollinger, JP Dowling, L Mandel, LK Grover, Lorenzo Maccone, MJ Holland, N Margolus, PL Hagelstein, R Jozsa, RS Bondurant, Seth Lloyd, Vittorio Giovannetti   +20 more
core   +2 more sources

Enhanced Moving Source Localization with Time and Frequency Difference of Arrival: Motion-Assisted Method for Sub-Dimensional Sensor Networks

Applied Sciences
Localizing a moving source by Time Difference of Arrival (TDOA) and Frequency Difference of Arrival (FDOA) commonly requires at least N+1 sensors in N-dimensional space to obtain more than N pairs of TDOAs and FDOAs, thereby establishing more than 2N ...
Xu Yang
doaj   +1 more source