Zobrazeno 1 - 10
of 124
pro vyhledávání: '"Guoqing Qi"'
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Toppling deformation can be classified into deep toppling (DT) and shallow toppling (ST) based on deformation mechanisms and development depth of rock mass under different soft and hard rock conditions. Currently, the toppling zoning indicators and q
Externí odkaz:
https://doaj.org/article/84878ffa97f6452189d16e20480650e8
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
For the widespread exposure of toppling deformation phenomena in anti-dip engineering slopes such as hydropower, transportation, and mining, especially deep-seated toppling, these large-scale deep-seated toppling deformations reaching depths of hundr
Externí odkaz:
https://doaj.org/article/adfe42b30e074c63b310154c1aa22562
Publikováno v:
Sensors, Vol 23, Iss 14, p 6408 (2023)
This paper focuses on the optimal geometry and motion coordination problem of mobile bearings-only sensors for improving target tracking performance. A general optimal sensor–target geometry is derived with uniform sensor–target distance using D-
Externí odkaz:
https://doaj.org/article/63d5f3817d1e4b64851c8483f4d9023d
Publikováno v:
Drones, Vol 7, Iss 7, p 473 (2023)
This paper focuses on distributed state estimation (DSE) and unmanned aerial vehicle (UAV) path optimization for target tracking. First, a diffusion cubature Kalman filter with intermittent measurements based on covariance intersection (DCKFI-CI) is
Externí odkaz:
https://doaj.org/article/f40cf51cd5d041ef9b3e67ed83ee4d9e
Publikováno v:
IEEE Access, Vol 8, Pp 44373-44380 (2020)
An accurate frequency estimator of complex sinusoid in additive white noise is proposed. It is based on interpolation of Fast Fourier Transform (FFT) and Discrete-Time Fourier Transform (DTFT). Zero-padding is firstly performed before the FFT of the
Externí odkaz:
https://doaj.org/article/b26f1601c63b4a3ea6129602fa0cd6d2
Autor:
Hamed Sadegh Kouhestani, Xiaoping Yi, Guoqing Qi, Xunliang Liu, Ruimin Wang, Yang Gao, Xiao Yu, Lin Liu
Publikováno v:
Energies, Vol 15, Iss 18, p 6599 (2022)
Solid-state batteries (SSBs) have proven to have the potential to be a proper substitute for conventional lithium-ion batteries due to their promising features. In order for the SSBs to be market-ready, the prognostics and health management (PHM) of
Externí odkaz:
https://doaj.org/article/42b37b85596b41e4aa626ab633319e14
Publikováno v:
Energies, Vol 15, Iss 14, p 5236 (2022)
Coal resources perform an important role in China’s energy structure. Hydraulic support is the main supporting equipment of fully mechanized mining face in coal mines. Because the hydraulic support frequently bears the impact pressure from the work
Externí odkaz:
https://doaj.org/article/78a89e6d8f344dfcbcf05de55d36bdcf
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 10 (2014)
This study investigates a problem on target localization and tracking for two cases where either the slant range information of dual stations is lost or the slant range information of one station and the pitch angle information of the other one are m
Externí odkaz:
https://doaj.org/article/b38c596f98da488184dc8755307c661f
Publikováno v:
Discrete Dynamics in Nature and Society, Vol 2014 (2014)
This paper is concerned with the problem of distributed estimation fusion over peer-to-peer asynchronous sensor networks with random packet dropouts. A distributed asynchronous fusion algorithm is proposed via the covariance intersection method. Firs
Externí odkaz:
https://doaj.org/article/bb31a6e4737041818afce68df221e09e
Publikováno v:
Discrete Dynamics in Nature and Society, Vol 2013 (2013)
The objective of this paper is concerned with the estimation problem for linear discrete-time stochastic systems with mixed uncertainties involving random one-step sensor delay, stochastic-bias measurements, and missing measurements. Three Bernoulli
Externí odkaz:
https://doaj.org/article/a18761829f314796a956550bba5961a5