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Emitter Location Using Frequency Difference of Arrival Measurements Only [PDF]

open access: yesSensors, 2022
It is desirable to enable emitter location using frequency difference of arrival (FDoA) measurements only, since many signals are characterized by coarse range resolution and fine Doppler resolution. For instance, while using the cross-ambiguity function
Mohamed Khalaf-Allah
doaj   +4 more sources

Research on a Method of Locating Civil Aviation Radio Interference Sources Based on Time Difference of Arrival and Frequency Difference of Arrival for Four Unmanned Aerial Vehicles [PDF]

open access: yesSensors, 2023
Monitoring and analyzing radio interference sources play a crucial role in ensuring the safe operation of civil aviation navigation, communication, airport management, and air traffic control. Traditional ground monitoring methods are slow and inadequate
Chao Zhou   +6 more
doaj   +4 more sources

Underwater source localization using time difference of arrival and frequency difference of arrival measurements based on an improved invasive weed optimization algorithm [PDF]

open access: yesIET Signal Processing, 2022
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   +2 more sources

Study on joint passive localization using time difference of arrival and frequency difference of arrival to improve the accuracy of four-satellite localization

open access: yesAdvances in Mechanical Engineering, 2017
In order to reduce the influence of time-difference-of-arrival measurement error on localization accuracy of time-difference-of-arrival-based four-satellite localization, we first introduce the frequency-difference-of-arrival information to the existing ...
Guo Xiansheng   +4 more
doaj   +4 more sources

Frequency-difference sparse Bayesian learning for unambiguous direction-of-arrival estimation [PDF]

open access: yesJASA Express Letters
The frequency-difference (FD) method uses the FD Hadamard product, comprising auto-products to model below-band acoustic fields and unintended cross-products, for efficient direction-of-arrival (DOA) estimation under spatial aliasing.
Ze Yuan   +3 more
doaj   +3 more sources

Direction-of-Arrival Estimation Based on Frequency Difference–Wavenumber Analysis for Sparse Vertical Array Configuration

open access: yesSensors, 2022
Frequency–wavenumber (f–k) analysis can estimate the direction of arrival (DOA) of broadband signals received on a vertical array. When the vertical array configuration is sparse, it results in an aliasing error due to spatial sampling; thus, several ...
Donghyeon Kim, Gihoon Byun, Jeasoo Kim
doaj   +3 more sources

A Sound Source Localization Method Based on Frequency Divider and Time Difference of Arrival

open access: yesApplied Sciences, 2023
In recent years, sound source localization, as a passive localization technique with higher safety and convenience compared with other localization techniques such as active emission of electromagnetic waves, has received more and more attention in ...
Jianchun Zhao   +6 more
doaj   +2 more sources

Target localization method based on semi-definite relaxation with frequency difference of arrival

open access: yesDianxin kexue
The use of frequency measurements to achieve target positioning is characterized by low cost and high reliability. Using only frequency difference of arrival (FDOA) measurements, a precise localization method for static target position was proposed.
MAO Xiaoting, WU Xiaoping
doaj   +3 more sources

A Novel Joint TDOA/FDOA Passive Localization Scheme Using Interval Intersection Algorithm

open access: yesInformation, 2021
Due to the large measurement error in the practical non-cooperative scene, the passive localization algorithms based on traditional numerical calculation using time difference of arrival (TDOA) and frequency difference of arrival (FDOA) often have no ...
Lingyu Ai   +5 more
doaj   +1 more source

Underwater Transmitter Localization Based on TDOA and FDOA Considering the Unknown Time-Varying Emission Frequency

open access: yesJournal of Marine Science and Engineering, 2023
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

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