Results 31 to 40 of about 266,337 (258)

Ellipsoidal method for UAVs target tracking and recognition*

open access: yesSystems Science & Control Engineering, 2023
Based on our previous contributions about UAV target tracking and recognition, this paper continues to do the synthesis analysis for the ellipsoidal method for the above practical problem.
Xiao Zhifeng, Jianwang Hong
doaj   +1 more source

A Multi-Objective Robust State Estimator for Systems Measured by Phasor Measurement Units

open access: yesIEEE Access, 2018
Conventional state estimators, such as the weighted least squares estimator, have been widely employed for state estimation in power systems. However, these methods have difficulty addressing the leverage effect and rejecting erroneous measurements ...
Manyun Huang   +5 more
doaj   +1 more source

Variational Bayesian‐based adaptive distributed fusion target tracking with unknown sensor measurement losses

open access: yesIET Radar, Sonar & Navigation, 2022
A new variational Bayesian‐based adaptive distributed fusion unscented Kalman filter (ADFUKF‐VB) algorithm is proposed for the problem of state estimation in a distributed fusion target tracking system with unknown sensor measurement losses.
Zhentao Hu   +3 more
doaj   +1 more source

New Algorithm and Phase Diagram of Noncommutative Phi**4 on the Fuzzy Sphere [PDF]

open access: yes, 2014
We propose a new algorithm for simulating noncommutative phi-four theory on the fuzzy sphere based on, i) coupling the scalar field to a U(1) gauge field, in such a way that in the commutative limit N\longrightarrow \infty, the two modes decouple and we ...
Ydri, Badis
core   +2 more sources

State Estimation for a Class of Non-Uniform Sampling Systems with Missing Measurements

open access: yesSensors, 2016
This paper is concerned with the state estimation problem for a class of non-uniform sampling systems with missing measurements where the state is updated uniformly and the measurements are sampled randomly.
Honglei Lin, Shuli Sun
doaj   +1 more source

Bayes Merging of Multiple Vocabularies for Scalable Image Retrieval [PDF]

open access: yes, 2014
The Bag-of-Words (BoW) representation is well applied to recent state-of-the-art image retrieval works. Typically, multiple vocabularies are generated to correct quantization artifacts and improve recall.
Tian, Qi   +3 more
core   +3 more sources

Reduced‐order multisensory fusion estimation with application to object tracking

open access: yesIET Signal Processing, 2022
This paper investigates the track‐to‐track state estimation for a class of linear time‐varying multisensory systems. We propose a novel low‐complexity reduced‐order filter (ROF) under the Kalman filtering framework.
Vladimir Shin   +2 more
doaj   +1 more source

The GM-JMNS-CPHD Filtering Algorithm for Nonlinear Systems Based on a Generalized Covariance Intersection

open access: yesSensors
Some fusion criteria in multisensor and multitarget motion tracking cannot be directly applied to nonlinear motion models, as the fusion accuracy applied in nonlinear systems is relatively low.
Zhixuan Xu   +3 more
doaj   +1 more source

Methodology for development of drought Severity-Duration-Frequency (SDF) Curves [PDF]

open access: yes, 2014
Drought monitoring and early warning are essential elements impacting drought sensitive sectors such as primary production, industrial and consumptive water users.
Abdul Jamil, Muhammad Mahadi   +4 more
core   +2 more sources

Simulation and comparison of two fusion methods for macroscopic fundamental diagram estimation [PDF]

open access: yesArchives of Transport, 2019
Accurate estimation of macroscopic fundamental diagram (MFD) is the precondition of MFD’s application. At present, there are two traditional estimation methods of road network’s MFD, such as the loop detector data (LDD) estimation method and the floating
Xiaohui Lin, Jianmin Xu, Chengtao Cao
doaj   +1 more source

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