Results 1 to 10 of about 4,891,217 (276)
Modeling of the Marine atmosphere and its impact on Ka-band channels [PDF]
The sea atmosphere environment will affect the Ka frequency channel in TT&C. Firstly, this paper briefly introduces the Marine atmospheric environment. Attenuation models of water vapor solubility and rainfall intensity are established.
Liu Zheng, Sun Fu-an, Zhou Bin
doaj +1 more source
Research on the phase-frequency relationship of the field effect amplifier front-end of shipborne USB system [PDF]
Normally, most researches on phase calibration of shipborne USB system focus on the means of phase calibration. This article starts with the research on the channel of the system.
Sun Fuan, Liu Zheng, Liu Huifeng
doaj +1 more source
Elimination of the effect of progressive collapse as a factor in increasing the environmental friendliness of district buildings [PDF]
The work is devoted to the principle of designing residential quarters with the exclusion of building collapse according to the “domino” principle, ie. without the development of progressive collapse in the event of an accident.
Taroev Ruslan +4 more
doaj +1 more source
Knowledge representation and intelligent fault diagnosis technology for power grid faults [PDF]
Aiming at that the automatic fault diagnosis method is difficult to locate the fault causes under uncertain circumstances which include malfunctions of the equipment and wrong alarm messages, a knowledge model was proposed to describe the relationship ...
Li Xiang +4 more
doaj +1 more source
Realization of A Knowledge-based Intelligent System for Power Dispatching Plan Management [PDF]
With the expanding of power grid scale in Chinese metropolis, the task intensity of power dispatchers increases rapidly in regulation of the power system operation structure and states to deal with everyday scheduled maintenance.
Liu Qi +4 more
doaj +1 more source
Friction reducers are widely applied to reduce friction losses in the natural oil and gas industry. The application of hydraulic fracturing in underground coal mines results in a new issue for friction reducers: The hydraulic fluid, mixed with a friction
Wei Xiong +4 more
doaj +1 more source
Unbalanced Funds Analysis under the Background of Coexistence of Planning and Market
In the process of electric power system reform in China, the coexistence of planning and market may not change in the short term. With electricity market expanding, the decoupling operation mode of planning and market is unsustainable. While the issue of
Zhenyu ZHAO +7 more
doaj +1 more source
Adaptation to the Risks of Digitalization: New Survival Trends for States in a Multipolar World
The purpose is to study the new survival trends for states in a multipolar world, determine the successfulness of adaptation to the digitalization of different growth poles, and develop the applied recommendations to improve the practice of adaptation to
Julia V. Ragulina +2 more
doaj +1 more source
Due to the increasing interdependencies of power networks (PNs) and communication networks (CNs) in cyber‐physical power systems (CPPSs), the interdependent networks tend to be more vulnerable since failures could propagate recursively between the two ...
Teng Tu +5 more
doaj +1 more source
In order to deeply explore the destructive effect of the impulsive airflow on the mine antioutburst door when coal and gas outbursts occur in underground coal mines, a large-scale coal and gas outburst dynamic effect simulation experiment device is used ...
Linchao Dai +4 more
doaj +1 more source

