Results 21 to 30 of about 146,386 (253)
Polish Maritime Research, 2023 Underwater localization and tracking is a challenging problem and Time-of-Arrival and Time-Difference-of-Arrival approaches are commonly used. However, the performance difference between these approaches is not well understood or analysed adequately ...
Gunes Ahmet
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A Two-Stage Method for Short-Wave Target Localization Using DOA and TDOA Measurements
IEEE Access, 2023 The ionosphere can make the short-wave source localization problem further non-linear, leading to a complicated solution process. This paper proposed a coordinated positioning algorithm based on the ionospheric virtual height (IVH) model to jointly ...
Linqiang Jiang +4 more
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Experimental measurement of time difference of arrival [PDF]
2016 17th International Radar Symposium (IRS), 2016 In this paper is described an experimental passive localization system based on SDR (Software Defined Radio) components. This system is designed to measure Time Differences of Arrival (TDOA) of radar pulses between two platforms. For a TDOA system, time error between the two receivers must be kept very low, which requires a very accurate way to ...
Hugo Seute +4 more
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Research of underground positioning algorithm based on DOA and TDOA
Gong-kuang zidonghua, 2013 In view of problems that current underground positioning system is sensitive to environmental change and has low positioning accuracy, the paper introduced an underground positioning algorithm based on DOA and TDOA. The algorithm takes advantages of high
ZHAI Yan-rong +5 more
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ATOC-FACT arrival-time differences [PDF]
The Journal of the Acoustical Society of America, 1995 The acoustic thermometry of ocean climate-feasibility ascension Cape Town (ATOC-FACT) propagation experiment took place during November and December of 1992. Explosive charges were detonated near the oceanic sound-channel axis at five locations in the South Atlantic off Cape Town.
David Palmer +3 more
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Sensors, 2018 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
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Robust Directional Angle Estimation of Underwater Acoustic Sources Using a Marine Vehicle
Sensors, 2018 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
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Semidefinite Programming Algorithms for 3-D AOA-Based Hybrid Localization
IEEE Open Journal of Signal Processing, 2023 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
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A Model on Indoor Localization System Based on the Time Difference Without Synchronization
IEEE Access, 2018 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
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Journal 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
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