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Academic Articles & Research Papers
Showing 20 of 872 academic articles
CHEN Ziquan 1 , HE Chuan 1, YU Bingxin 1, LI Zheng 1, 2, ZHANG Hang 2, LIU Maoyi 2 • Yantu gongcheng xuebao
(2025)
The long-term structural safety issues of water-rich tunnels under complex hydrogeological conditions during operation period and their mutual interaction mechanism with groundwater environment are receiving increasing attention. To study t...
DOAJ
Open Access (DOAJ)
DOI: 10.11779/CJGE20240323
Liuda Yi, Liguo Zang, Haiyan Sun, Yuxing Bai et al. • IEEE Open Journal of Intelligent Transportation Systems
(2026)
In Autonomous Valet Parking scenarios, multiple vehicles operate cooperatively in low-speed environments where the leading-vehicle constraint may be dynamically reconstructed due to path transitions. Under such conditions, conventional spee...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/OJITS.2026.3747268
Shuenn-Yih Chang, Suad Khalid Al Bahar, Jingying Zhao • CRC Press eBooks
(2012)
Drivers tend to decrease their speeds while approaching tunnel portals. This appears to be related both to the change in light levels as well as the experience of going from an open road into a confined space....
OPENALEX
DOI: https://doi.org/10.1201/b13165-16
• International Journal of Transportation Engineering and Technology
(2023)
International Journal of Transportation Engineering and Technology (IJTET) involves the design, manufacture and upkeep of aircraft, spacecraft and all types of transportation mean. The journal deals with the design, construction, and study ...
OPENALEX
Open Access
DOI: https://doi.org/10.11648/j.ijtet
Guozheng Zhang, Shuo Wang, Chen Li, Xinmin Li et al. • World Electric Vehicle Journal
(2023)
A modular multilevel converter (MMC) can generate different common-mode voltage (CMV) values due to the high-frequency changing of the switching state under various modulation strategies. The high-frequency dv/dt will produce common-mode cu...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/wevj14020053
Relly Victoria Petrescu, Raffaella mname Aversa, Antonio mname Apicella, Florian Ion Tiberiu Petrescu • American Journal of Engineering and Applied Sciences
(2017)
The shipments were absolutely necessary at all times, but still have polluted and damaged the environment. The technique of transport or the engineering of transport is the application of the principles of technology and scientific findings...
OPENALEX
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DOI: https://doi.org/10.3844/ajeassp.2017.685.702
J. Du, J. S. Kimball, J. S. Guo, S. A. Kannenberg et al. • Geophysical Research Letters
(2024)
Abstract Drylands are critical in regulating global carbon sequestration, but the resiliency of these semi‐arid shrub, grassland and forest systems is under threat from global warming and intensifying water stress. We used synergistic satel...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2024GL110385
Zhejian Zhang, Nan Li, Shude Mao, Hu Zou et al. • Frontiers in Astronomy and Space Sciences
(2026)
IntroductionGalaxy cluster-scale strong gravitational lensing systems are rare yet valuable tools for investigating dark matter and dark energy, as well as providing the opportunity to study the distant universe at flux levels and spatial r...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fspas.2026.1744079
Yaoteng Zhang, Shuaipeng Wang, Yanlong Chen, Shiqing Wei et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
(2025)
To maintain marine ecosystem health, effective algae monitoring is essential. Traditional threshold-based methods and standard machine learning techniques often fall short in accurately and automatically distinguishing algae types. This stu...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/JSTARS.2025.3571988
S. B. Luthcke, T. C. Thomas, T. A. Pennington, T. W. Rebold et al. • Earth and Space Science
(2021)
Abstract ICESat‐2 science requirements are dependent on the accurate real‐time pointing control (i.e., geolocation control) and postprocessed geolocation knowledge of the laser altimeter surface returns. Prelaunch pointing alignment errors ...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2020EA001494
Ladislav BRIMICH, Martin BEDNÁRIK, Jozef BÓDI, Gyula MENTES • Contributions to Geophysics and Geodesy
(2022)
Tidal strain time series recorded at the Vyhne Tidal Station are used to test thirteen different ocean tide loading models. Ten models have been calculated using SPOTL: EOT11a, HAMTIDE11a, OSU.TPXO72atlas, OSU.TPXO72, TPX070, DTU10, CSR4.0,...
DOAJ
Open Access (DOAJ)
DOI: 10.31577/congeo.2022.52.1.3
Yong Ren, Minghui Zhu, Lei Dai, Walter Gonzalez et al. • Geophysical Research Letters
(2026)
Abstract Substorms are often described by a loading‐unloading cycle, where onset follows gradual accumulation of solar wind magnetic flux in the magnetosphere. Yet observations indicate that intense substorms can also be directly driven, th...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2025GL119629
J. Błęcki, J. Błęcki, M. Parrot, R. Wronowski • Annales Geophysicae
(2009)
We report the observation of ELF and VLF signature of sprites recorded on
the low altitude satellite DEMETER during thunderstorm activity. At an
altitude of ~700 km, waves observed on the E-field spectrograms at
mid-to-low latitudes duri...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-27-2599-2009
Shujie Gu, Xu Liu, Lunjin Chen, M. E. Usanova et al. • Geophysical Research Letters
(2025)
Abstract Electromagnetic ion cyclotron (EMIC) waves are discrete electromagnetic emissions separated by multiple ion gyrofrequencies. Harmonic EMIC waves are defined as waves with a strong electric or magnetic field (or both) at the harmoni...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2025GL115485
D. M. Wright, R. S. Dhillon, T. K. Yeoman, T. R. Robinson et al. • Annales Geophysicae
(2009)
On 10 October 2006 the SPEAR high power radar facility was operated in a
power-stepping mode where both CUTLASS radars were detecting backscatter
from the SPEAR-induced field-aligned irregularities (FAIs). The effective
radiated power of...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-27-2623-2009
R. Selvamurugan, R. Selvamurugan, R. Selvamurugan, C. V. Devasia et al. • Annales Geophysicae
(2002)
The temporal and height
statistics of the occurrence of meteor trails during the Leonid meteor shower
revealed the capability of the Indian MST radar to record large numbers of
meteor trails. The distribution of radio meteor trails du...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-20-1869-2002
Chenyang Zhang, Gang Wan, Lei Liu, Yutong Jia • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
(2022)
Research on lunar basalt thickness and subsurface features is of great significance to conclude the magma evolution history and explore the thermal evolution process of the Moon. The mission of Lunar Radar Sounder (LRS) made subsurface dete...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/JSTARS.2022.3173790
Ram Tuvi • Sensors
(2022)
We present an overview of a beam-based approach to ultra-wide band (UWB) tomographic inverse scattering, where beam-waves are used for local data-processing and local imaging, as an alternative to the conventional plane-wave and Green’s fun...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/s22041684
V. G. Vorobjev, B. V. Rezhenov, O. I. Yagodkina • Annales Geophysicae
(2004)
DMSP F6 and F7 spacecraft observations of the average electron and ion
energy, and energy fluxes in different night-time precipitation regions for the whole of
1986 were used to examine the precipitation features associated with solar win...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-22-1047-2004
Liu Zhang, Zongchen Zhao, Xueying Lv, Xuanyun Zhang et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
(2026)
Infrared small target detection (IRSTD) remains a core challenge in remote sensing, mainly due to low signal-to-noise ratios, small target sizes, background interference, and large-scale variations. Although existing methods have achieved p...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/JSTARS.2026.3685006