Results 61 to 70 of about 166,079,443 (146)
Time of arrival difference estimation for narrow band high frequency echolocation clicks [PDF]
, 2019 Funding: Scottish Government as part of the Marine Mammal Scientific Research Program MMSS/002/15; Natural Environment Research Council, Grant No. NE/R014639/1.Algorithms are presented for the accurate time of arrival difference estimation of high ...
Jamie Macaulay +3 more
core +1 more source
Maximum-likelihood estimators for the time and frequency differences of arrival of cyclostationary digital communications signals [PDF]
, 1999 Advanced techniques have been employed for decades in the location of emitted communications signals. The use of cyclostationary maximum-likelihood estimators (MLE) applied to time different of arrival (TDOA) and frequency difference of arrival (FDOA ...
Streight, David A.
core +2 more sources
IEEE Access, 2018 Underwater source localization problems are complicated and challenging: 1) the sound propagation speed is often unknown and the unpredictable ocean current might lead to the uncertainties of sensor parameters (i.e., position and velocity); 2) the ...
Bingbing Zhang +3 more
doaj +1 more source
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.
Mihaylova, L.S. +5 more
core +1 more source
Angle of arrival estimation for broadband signals : a comparison [PDF]
, 2013 This paper reviews and compares three different linear algebraic signal subspace techniques for angle of arrival estimation. These include a polynomial matrix approach to multiple signal classification (MUSIC), a parameterised spatial covariance matrix ...
Weiss, Stephan +9 more
core +2 more sources
Approximate Maximum Likelihood Algorithm for Moving Source Localization Using TDOA and FDOA Measurements [PDF]
, 2012 A closed-form approximate maximum likelihood (AML) algorithm for estimating the position and velocity of a moving source is proposed by utilizing the time difference of arrival (TDOA) and frequency difference of arrival (FDOA) measurements of a signal ...
GAO, Jun +3 more
core +1 more source
Feasibility Study for Single Platform Airborne FDOA and TDOA Estimation With Unknown Source
, 2016 Direction of arrival (DOA) estimation is a well studied topic and used in many different applications. Although it is usually based on time-difference-of-arrival (TDOA) of coherent signals, it is sometimes possible to also use frequency-difference-of ...
Karlsson, Alexander
core +2 more sources
, 2022 This paper develops the model of the joint phantom track deception and the joint techniques of time-difference of arrival (TDOA) and frequency-difference of arrival (FDOA) localization to deceive air defense radar networks under the condition that an ...
Lirong Wu +4 more
core +1 more source
Velocity measurement using the FDOA Method in ground-based radio navigation system [PDF]
, 2014 Velocity is one of the main navigation parameters of moving objects. However some systems of position estimation using radio wave measurements cannot provide velocity data due to limitation of their performance.
Sadowski, J.
core +1 more source
Tongxin xuebao, 2015 The method for locating a moving source on earth using a sequence of time difference of arrival(TDOA)and frequency difference of arrival(FDOA)measurements pairs obtained by dual-satellites was presented in the presence of calibration sources with ...
Ding WANG, Li ZHANG, Ying WU
doaj +2 more sources