Results 21 to 30 of about 8,673 (200)
TDOA –FDOA method for tracking of a moving target in a distributed sensor scenario [PDF]
ITM Web of Conferences, 2023 Tracking of an underwater target in ocean environment is very important in both military and civilian applications. This paper focuses on the localization and tracking of a moving target by a passive multi-static sonar system using TOA, Time Difference ...
George Sherly, Muralikrishna P.
doaj +1 more source
Sensors, 2023 An accurate estimation of the time difference of arrival (TDOA) is crucial in localization, communication, and navigation. However, a low signal-to-noise ratio (SNR) can decrease the reliability of the TDOA estimation result.
Peng Zhang +3 more
doaj +1 more source
Improving TDOA Radar Performance in Jammed Areas through Neural Network-Based Signal Processing
Sensors, 2023 This paper presents a method for estimating the position of a target under jammed conditions using the Time Difference of Arrival (TDOA) method. The algorithm utilizes a deep neural network to overcome the challenges posed by the jammed conditions.
Jakub Gotthans +2 more
doaj +1 more source
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
doaj +1 more source
Comparative Performance Analysis of Time Local Positioning Architectures in NLOS Urban Scenarios
IEEE Access, 2020 Autonomous navigation has meant a challenge for traditional positioning systems. As a consequence, ad-hoc deployments of sensors for addressing particular environment characteristics have emerged known as Local Positioning Systems (LPS). Among LPS, those
Ruben Alvarez +3 more
doaj +1 more source
A two‐stage iterative method for short‐wave source localisation
IET Radar, Sonar & Navigation, 2023 Short‐wave source localisation has an important role in many fields. A two‐stage iterative algorithm is proposed based on the ionospheric virtual height (IVH) model using the direction of arrival (DOA) and time difference of arrival (TDOA) measurements ...
Linqiang Jiang +4 more
doaj +1 more source
On the effect of SNR and superdirective beamforming in speaker diarisation in meetings [PDF]
, 2012 This paper examines the effect of sensor performance on speaker diarisation in meetings and investigates the use of more advanced beamforming techniques, beyond the typically employed delay-sum beamformer, for mitigating the effects of poorer sensor ...
Lincoln, M., Renals, S., Zwyssig, E.
core +2 more sources
A Hybrid AOA and TDOA-Based Localization Method Using Only Two Stations
International Journal of Antennas and Propagation, 2021 Target localization plays an important role in the application of radar, sonar, and wireless sensor networks. In order to improve the localization performance using only two stations, a hybrid localization method based on angle of arrival (AOA) and time ...
Xiaolong Li, Yi Xing, Zhenkai Zhang
doaj +1 more source
Optimal Sensor Deployment and Velocity Configuration With Hybrid TDOA and FDOA Measurements
IEEE Access, 2019 Source localization based on the hybrid time-difference-of-arrival (TDOA) and frequency-difference-of-arrival (FDOA) measurements from distributed sensors is an essential problem in wireless sensor networks (WSNs).
Weijia Wang +4 more
doaj +1 more source
Software-only TDOA/RTF positioning for 3G WCDMA wireless network [PDF]
, 2008 A hybrid location finding technique based oil time difference of arrival (TDOA) with round-trip time (RTT) measurements is proposed for a wideband code division Multiple access (WCDMA) network.
Chen +7 more
core +1 more source