Results 31 to 40 of about 414,744 (286)
Dual-Satellite Source Geolocation with Time and Frequency Offsets and Satellite Location Errors [PDF]
, 2017 This paper considers locating a static source on Earth using the time difference of arrival (TDOA) and frequency difference of arrival (FDOA) measurements obtained by a dual-satellite geolocation system.
Liu, C., Mihaylova, L.S., Yang, L.
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Neuromorphic Learning towards Nano Second Precision [PDF]
, 2013 Temporal coding is one approach to representing information in spiking neural networks. An example of its application is the location of sounds by barn owls that requires especially precise temporal coding. Dependent upon the azimuthal angle, the arrival
Meier, Karlheinz +3 more
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IET Signal Processing, 2014 The accuracy of sources locations and velocities estimate is very sensitive to the accurate knowledge of sensor locations and velocities. In the presence of sensor position and velocity errors, this study considers the problem of simultaneously locating multiple disjoint sources and refining erroneous sensor positions and velocities using time ...
Benjian Hao +3 more
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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
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Calculation of acoustic parameters by a filter-correlation method [PDF]
, 1993 This paper presents the filter correlation method, a technique for extracting consistent and accurate estimates of attenuation parameters from acoustic waveform data.
Courtney, Robert C., Mayer, Larry A.
core +2 more sources
IET Radar, Sonar & Navigation, 2015 This study presents a two‐step least‐squares approach for estimating the position and velocity of a moving emitter using time difference of arrival (TDOA) and frequency‐difference of arrival (FDOA) measurements in a two‐dimensional scenario. The proposed method first estimates the emitter position based on the asymptotes of TDOA hyperbolae and then ...
Yong‐Hee Kim +2 more
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Development and Demonstration of a TDOA-Based GNSS Interference Signal Localization System [PDF]
, 2012 Background theory, a reference design, and demonstration results are given for a Global Navigation Satellite System (GNSS) interference localization system comprising a distributed radio-frequency sensor network that simultaneously locates multiple ...
Bhatti, Jahshan A. +2 more
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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
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Source localization from time-differences of arrival using high-frequency communication signals [PDF]
OCEANS'11 MTS/IEEE KONA, 2011 Localization of underwater acoustic (UWA) sources using observed signals is a popular research topic that has many potential applications, both military and civilian (e.g., navigation of underwater vehicles, mine hunting, marine mammal studies). This work adopts an inverse problem framework where the temporal and spatial structure of multipath observed
Ehsan Zamanizadeh +2 more
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