Results 21 to 30 of about 150,096 (147)
Current bias compensation methods for distributed localization consider the time difference of arrival (TDOA) and frequency difference of arrival (FDOA) measurements noise, but ignore the negative influence by the sensor location uncertainties on source ...
Zhixin Liu, Rui Wang, Yongjun Zhao
doaj +1 more source
Robust Directional Angle Estimation of Underwater Acoustic Sources Using a Marine Vehicle
Acoustic source localization is used in many underwater applications. Acquiring an accurate directional angle for an acoustic source is crucial for source localization.
Jinwoo Choi +4 more
doaj +1 more source
Semidefinite Programming Algorithms for 3-D AOA-Based Hybrid Localization
By taking different kinds of measurements at the same time, it may be possible to improve the accuracy of target localization or reduce the number of sensors needed.
Yanbin Zou
doaj +1 more source
Time difference of arrival estimation of sound source using cross correlation and modified maximum likelihood weighting function [PDF]
The Generalized Cross Correlation (GCC) framework is one of the most widely used methods for Time Difference Of Arrival (TDOA) estimation and Sound Source Localization (SSL).
Hosseini, M. S. +2 more
core +1 more source
A Model on Indoor Localization System Based on the Time Difference Without Synchronization
Localization has emerged as an attractive solution to enable new business models that rely on location-based services in wireless networks for communication, sensing, and control. In particular, time difference-of-arrival (TDOA) is one of the widely used
Yuan Xue +4 more
doaj +1 more source
This article considers locating a noncooperative underwater transmitter utilizing multiple receivers, such that each receiver can measure the frequency difference of arrival (FDOA) as well as the time difference of arrival (TDOA) of the transmitter’s ...
Jonghoek Kim
doaj +1 more source
In this study, we propose an underwater localization method based on an improved invasive weed optimization algorithm to accurately locate moving sources in underwater sensor networks.
Yunhang Lin +2 more
doaj +1 more source
Improved Methods for UHF Localization of Partial Discharge in Air-Insulated Substations
A time-difference-of-arrival-based partial discharge (PD) location system that utilises prior knowledge of substation layout is presented. We propose a new time delay estimator that employs onset detection techniques and demonstrate, through experimental
Ahmed Rashwan, Alistair Reid
doaj +1 more source
Development and Demonstration of a TDOA-Based GNSS Interference Signal Localization System [PDF]
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
core +1 more source
Currently there is a growing demand for accurate and reliable positioning indoors or in other environments, where Global Navigation Satellite Systems (GNSS) are unavailable.
Josef Krska +2 more
doaj +1 more source

