Optimal Sensor Deployment and Velocity Configuration With Hybrid TDOA and FDOA Measurements
IEEE Access, 2019 Source localization based on the hybrid time-difference-of-arrival (TDOA) and frequency-difference-of-arrival (FDOA) measurements from distributed sensors is an essential problem in wireless sensor networks (WSNs).
Weijia Wang +4 more
doaj +1 more source
EURASIP Journal on Advances in Signal Processing, 2019 To weaken the effect of receiver location error on localization accuracy and make the localization model closer to the practical scenario, this paper considers the receiver location errors, usually neglected in prior studies into the measurement model ...
Zhixin Liu +3 more
doaj +1 more source
An effective localization algorithm for moving sources
EURASIP Journal on Advances in Signal Processing, 2021 By utilizing the time difference of arrival (TDOA), the frequency difference of arrival (FDOA), and the differential Doppler rate (DDR) measurements from sensors, this paper proposes an effective moving source localization algorithm with closed solutions.
Hao Wang, Liping Li
doaj +1 more source
Joint arrival-time picking method of microseismic P-wave and S-wave based on time-frequency analysis
Rock and Soil Mechanics, 2021 Accurate acquisition of arrival time of microseismic signals is an important prerequisite for focal location, and the accurate acquisition of arrival time of P-wave and S-wave of microseismic signals has important theoretical significance.
JIA Bao-xin +4 more
doaj +1 more source
Difference frequency generation by quasi-phase matching in periodically intermixed semiconductor superlattice waveguides [PDF]
, 2011 Wavelength conversion by difference frequency generation is demonstrated in domain-disordered quasi-phase-matched waveguides. The waveguide structure consisted of a GaAs/AlGaAs superlattice core that was periodically intermixed by ion implantation.
David C. Hutchings +13 more
core +1 more source
Comparative study for broadband direction of arrival estimation techniques [PDF]
, 2012 This paper reviews and compares three different linear algebraic signal subspace techniques for broadband direction of arrival estimation --- (i) the coherent signal subspace approach, (ii) eigenanalysis of the parameterised spatial correlation matrix ...
Weiss, Stephan +3 more
core +3 more sources
Robust TDOA/FDOA estimation from emitter signals for hybrid localization using UAVs
Defence Technology, 2022 This paper considers the time difference of arrival (TDOA) and frequency difference of arrival (FDOA) estimation problem for joint localization using unmanned aerial vehicles (UAVs), involving range migration (RM) and Doppler ambiguity within observation
Yu-bing Wang +4 more
doaj +1 more source
Implementation of accurate broadband steering vectors for broadband angle of arrival estimation [PDF]
, 2013 Motivated by accurate broadband steering vector requirements for applications such as broadband angle of arrival estimation, we review fractional delay filter designs.
Weiss, Stephan +2 more
core +4 more sources
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
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 +7 more
doaj +1 more source