Results 21 to 30 of about 1,242 (295)

Application research on 5G technology in fatigue test of full-scale aircraft

open access: yesHangkong gongcheng jinzhan, 2023
With the development of aircraft demand, and emerging of new material and new process, the test and validation technology of aircraft structure strength will also face new challenges.
LIU Bing, ZHANG Jianfeng, MU Bin
doaj   +1 more source

Adaptive Control for an Aircraft Wing System with Hysteresis Nonlinearity

open access: yesMathematics, 2023
This paper involves a novel adaptive control approach of a flexible wing system with hysteresis nonlinearity. The usual control design strategies based on the ordinary differential equations (ODEs) are inapplicable due to the flexible wing system ...
Yi Qin   +4 more
doaj   +1 more source

Influence of intelligentization on industrial competitiveness.

open access: yes, 2022
Influence of intelligentization on industrial competitiveness.
Bingjian Zhao (13162380)   +3 more
core   +1 more source

Using Polarization-Diverse Wave-Coefficients for Aerospace Target Recognition

open access: yesIEEE Access, 2020
Wave-coefficients (WCs) based target recognition can be theoretically applied to any a frequency range, with increased sensitivity to aspect angle at higher frequencies.
Xiaomin Jiang   +3 more
doaj   +1 more source

Evaluation index system of intelligentization level.

open access: yes, 2022
Evaluation index system of intelligentization level.
Bingjian Zhao (13162380)   +3 more
core   +1 more source

Adaptive Visually Servoed Tracking Control for Wheeled Mobile Robot with Uncertain Model Parameters in Complex Environment

open access: yesComplexity, 2020
This paper investigates the stabilization and trajectory tracking problem of wheeled mobile robot with a ceiling-mounted camera in complex environment.
Fujie Wang   +4 more
doaj   +1 more source

Synthesis of GaN Crystals by Nitrogen Pressure-Controlled Recrystallization Technique in Na Alloy Melt

open access: yesCrystals, 2021
GaN crystals are synthesized by recrystallization technique in Na-Li-Ca alloy melt under different N2 pressure. X-ray powder diffraction results confirm that the structure of crystals is GaN with wurtzite type and there still have raw powders remaining ...
Xi Wu   +7 more
doaj   +1 more source

A New Gain-Phase Error Pre-Calibration Method for Uniform Linear Arrays

open access: yesSensors, 2023
In this paper, we consider the gain-phase error calibration problem for uniform linear arrays (ULAs). Based on the adaptive antenna nulling technique, a new gain-phase error pre-calibration method is proposed, requiring only one calibration source with ...
Chang Liu, Xiao Tang, Zhi Zhang
doaj   +1 more source

The influence of the intelligentization of sub-region and sub-dimension on industrial competitiveness.

open access: yes, 2022
The influence of the intelligentization of sub-region and sub-dimension on industrial competitiveness.
Bingjian Zhao (13162380)   +3 more
core   +1 more source

Relay Selection for Dual-Hop Cooperative Ambient Backscatter Communication Systems

open access: yesSensors, 2023
Previous works only focus on the optimization design for the dual-hop cooperative ambient backscatter communication (AmBC) system with single-relay selection. The impact of relay selection on the outage performance of dual-hop cooperative AmBC systems is
Ping Yang, Weichao Kuang, Shanjin Wang
doaj   +1 more source

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