Results 11 to 20 of about 2,683,308 (300)

Optimal Planning Method for Power System Line Impedance Based on a Comprehensive Stability Margin

IEEE Access, 2021
With the increasing scale of power systems and the large-scale application of new energy technologies, the planning and construction of future power grids and the stable operation of systems face severe challenges.
Dahu Li, Shuai Yang, Wentao Huang, Jun He, Zhijun Yuan, Jinman Yu   +5 more
doaj   +1 more source

Critical Review of Flywheel Energy Storage System

Energies, 2021
This review presents a detailed summary of the latest technologies used in flywheel energy storage systems (FESS). This paper covers the types of technologies and systems employed within FESS, the range of materials used in the production of FESS, and ...
A. Olabi, T. Wilberforce, M. Abdelkareem, M. Ramadan   +3 more
semanticscholar   +1 more source

Reliability Modeling and Evaluation of Urban Multi-Energy Systems: A Review of the State of the Art and Future Challenges

IEEE Access, 2020
Urban multi-energy systems (UMESs) are integrated energy systems (IESs) which can alleviate the current energy crisis, improve energy utilization and realize multi-energy complementarity of modern.
Jun He, Zhijun Yuan, Xiaoling Yang, Wentao Huang, Yicong Tu, Yi Li   +5 more
doaj   +1 more source

Shallow and deep feature fusion for digital audio tampering detection

EURASIP Journal on Advances in Signal Processing, 2022
Digital audio tampering detection can be used to verify the authenticity of digital audio. However, most current methods use standard electronic network frequency (ENF) databases for visual comparison analysis of ENF continuity of digital audio or ...
Zhifeng Wang, Yao Yang, Chunyan Zeng, Shuai Kong, Shixiong Feng, Nan Zhao   +5 more
doaj   +1 more source

Spatial and temporal learning representation for end-to-end recording device identification

EURASIP Journal on Advances in Signal Processing, 2021
Deep learning techniques have achieved specific results in recording device source identification. The recording device source features include spatial information and certain temporal information.
Chunyan Zeng, Dongliang Zhu, Zhifeng Wang, Minghu Wu, Wei Xiong, Nan Zhao   +5 more
doaj   +1 more source

Quantum Random Number Generator for Pulse Laser Phase Fluctuation

Guangtongxin yanjiu, 2022
Aiming at the problem that the current Quantum Random Number Generator (QRNG) cannot simultaneously meet the high-speed and real-time requirements of random number generation in quantum key distribution communication, this paper improves the QRNG scheme ...
Zhen-yang JIN, Xiang-kui WAN, Kai PANG, Meng-han FU, Liu-ping CHEN   +4 more
doaj   +1 more source

Effects of Charge Transport Materials on Blue Fluorescent Organic Light-Emitting Diodes with a Host-Dopant System

Micromachines, 2019
High efficiency blue fluorescent organic light-emitting diodes (OLEDs), based on 1,3-bis(carbazol-9-yl)benzene (mCP) doped with 4,4’-bis(9-ethyl-3-carbazovinylene)-1,1’-biphenyl (BCzVBi), were fabricated using four different hole transport ...
Neng Liu, Sijiong Mei, Dongwei Sun, Wuxing Shi, Jiahuan Feng, Yuanming Zhou, Fei Mei, Jinxia Xu, Yan Jiang, Xianan Cao   +9 more
doaj   +1 more source

Enhanced thermal and mechanical properties by cost-effective carboxylated nanodiamonds in poly (vinyl alcohol)

Nanocomposites, 2018
In this study, the high-energy ball-milled nanodiamonds (MNDs) are carefully treated with low-temperature annealing and mixed acids to obtain carboxylated MNDs (cMNDs). This process not only removes impurities but also grafts oxygen containing functional
Yuansai Zhang, Qingsong Hua, Jian Min Zhang, Yuling Zhao, Hang Yin, Zuoqiang Dai, Lili Zheng, Jie Tang   +7 more
doaj   +1 more source

Improved Efficiency of Perovskite Light-Emitting Diodes Using a Three-Step Spin-Coated CH₃NH₃PbBr₃ Emitter and a PEDOT:PSS/MoO₃-Ammonia Composite Hole Transport Layer

Micromachines, 2019
High efficiency perovskite light-emitting diodes (PeLEDs) using PEDOT:PSS/MoO3-ammonia composite hole transport layers (HTLs) with different MoO3-ammonia ratios were prepared and characterized. For PeLEDs with one-step spin-coated CH3NH3PbBr3 emitter, an
Yuanming Zhou, Sijiong Mei, Dongwei Sun, Neng Liu, Wuxing Shi, Jiahuan Feng, Fei Mei, Jinxia Xu, Yan Jiang, Xianan Cao   +9 more
doaj   +1 more source

Optimal Energy Storage System-Based Virtual Inertia Placement: A Frequency Stability Point of View

IEEE Transactions on Power Systems, 2020
In this paper, the problem of optimal placement of virtual inertia is considered as a techno-economic problem from a frequency stability point of view.
H. Golpîra, A. Atarodi, Shiva Amini, A. R. Messina, B. Francois, H. Bevrani   +5 more
semanticscholar   +1 more source