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Civil aircraft fault tolerant attitude tracking based on extended state observers and nonlinear dyna
[期刊论文] 作者：MA Xinjian,LIU Shiqian,CHENG Huihui,
来源：系统工程与电子技术（英文版） 年份：2022
For the problem of sensor faults and actuator faults in aircraft attitude control,this paper proposes a fault tolerant con-trol(FTC)scheme based on extended state observer(ESO)and nonlinear dynamic inversion(NDI).First,two ESOs are designed......
[期刊论文] 作者：Wenyu Yuan,Yiyuan Ma,Heng Wu,Laifei Cheng,
来源：能源化学 年份：2022
COx (x =1,2) and O2 chemistry play key roles in tackling global severe environmental challenges and energy issues.To date,the efficient selective electrocatalytic transformations of COx-carbon chemicals,and O2-hydrogenated products are stil......
Identification of reference genes provides functional insights into meiotic recombination suppressor
[期刊论文] 作者：Fan Li,Ying Cheng,Lulin Ma,Shenchong Li,Jihua Wang,
来源：园艺学报（英文版） 年份：2022
Gerbera Hybrida is one of the important cut flowers across the world. The novel traits are the primarily market requirements and the breeding targets, mainly determined by the degree of genetic variation after hybridization. However, meioti......
[期刊论文] 作者：Kai-Xuan Cheng,Chang Xu,Chun-Wang Ma,Jie Pu,Yu-Ting Wang,
来源：中国物理C（英文版） 年份：2022
In this study,the Pauli blocking potential between two colliding nuclei in the density overlapping region is applied to describe the heavy nuclei fusion process.Inspired by the Pauli blocking effect in the α-decay of heavy nuclei,the Pauli......
[期刊论文] 作者：Zhong Cheng,
来源：北京周报（英文版） 年份：2022
The COVID-19 pandemic, lasting for about two years, has undeniably pre-sented one of the greatest protracted challenges to humanity. Now it is surging with more variants that spread even faster. It has exerted a profound impact on a world d......
[期刊论文] 作者：Zhong Cheng,
来源：北京周报（英文版） 年份：2022
The year 2021 brought nu-merous developments in international and regional arenas, from the COVID-19 world-wide spread and climate change, to the hasty withdrawal of the U.S. from Afghanistan and the renewed atten-tion to the Nuclear Non-Pr......
[期刊论文] 作者：Zhong Cheng,
来源：北京周报（英文版） 年份：2022
The world has been placed on high alert by the escalation of the Russia-Ukraine crisis. The logic behind Russia\'s actions is to protect its national security and to counteract NATO attempts, led by the U.S., to press itself forward onto Ru......
[期刊论文] 作者：Zhong Cheng,
来源：北京周报（英文版） 年份：2022
With the Olympic flame dancing to the drums of the Chinese Year of the Tiger, the Beijing 2022 Games—the first-ever Winter Olympics held in China and its second Olympics after hosting the 2008 Summer Games—concluded on February 20, to be ......
[期刊论文] 作者：Zhong Cheng,
来源：北京周报（英文版） 年份：2022
The Ukraine crisis is holding “a sword of Damocles”over the global economy,UN Secretary General António Guterres has warned, especially over poor, developing countries that face skyrocketing food, fuel and fertilizer prices, and are now ......
[期刊论文] 作者：Hai-Yang Cheng,
来源：科学通报（英文版） 年份：2022
For ground-state singly charmed baryons,the Λ+c,Ξ+c and Ξ0c form an antitriplet representation and they all decay weakly.TheΩ0c,Ξ1+c,Ξ1+c and ∑++,+,0c form a sextet representation;among them,only Ω0c decays weakly....
[期刊论文] 作者：Zhong Cheng,
来源：北京周报（英文版） 年份：2022
In the ongoing Russia-Ukraine conflict,warplanes, rockets, missiles and artillery units are not the only weapons in use. An information war is proving no less fierce than the fighting taking place on the ground....
[期刊论文] 作者：Hui-Ming Cheng,
来源：国家科学评论（英文版） 年份：2022
Voids are an essential scientific issue when it comes to traditional composite materials,because they greatly de-grade the latter\'s properties and usually cause catastrophic failure [1].Many characterization methods,such as mi-croscale X-r......
[期刊论文] 作者：Jianchun Cheng,
来源：中国科学：物理学 力学 天文学（英文版） 年份：2022
Ultrasonic waves,although not audible,naturally exist at high frequencies.Ultrasound can be controlled and unitized in various scenarios.Well-known examples are bats and dolphins,which produce ultrasound and detect the reflected signal for ......
Machine learning and numerical investigation on drag reduction of underwater serial multi-projectile
[期刊论文] 作者：Xi Huang,Cheng Cheng,Xiao-bing Zhang,
来源：防务技术 年份：2022
To increase launching frequency and decrease drag force of underwater projectiles,a serial multi-projectiles structure based on the principle of supercavitation is proposed in this paper.The drag reduction and supercavitation characteristic......
[期刊论文] 作者：Ma Li,
来源：北京周报（英文版） 年份：2022
On the eve of heading to Beijing for this year\'s National Peopl e \' s Congress (NPC), Yang Changqin, an NPC deputy born in 1990, together with her staff was racing against the clock to fill their first 2022 order....
[期刊论文] 作者：Wenxiu MA,
来源：数学物理学报（英文版） 年份：2022
The paper aims at establishing Riemann-Hilbert problems and presenting soliton solutions for nonlocal reverse-time nonlinear Schr(o)dinger (NLS) hierarchies associated with higher-order matrix spectral problems.The Sokhotski-Plemelj formula......
[期刊论文] 作者：Shengming Ma,
来源：中国化学（英文版） 年份：2022
The impact factor of Chinese Journal of Chemistry (CJC) for 2020 has reached 6.0 with a total citation of 5434,a decent im-provement as compared to those for the previous years (Figure 1).It ranks No.48 among 178 journals of multidisciplina......
[期刊论文] 作者：MA LI,
来源：中国与非洲（英文版） 年份：2022
Former villager Ma Nubi is getting used to living in a county town. In February, he and his family celebrated the second Spring Festival in their new home in a modern-looking residence. More importantly, with more than 100 sheep, the family......
[期刊论文] 作者：Ma Tianyu,
来源：工业设计 年份：2022
＜正＞Caregiver旨在增强老年用户的听力、视力和情境意识，是一种智能手杖，它基于传感器技术为老年人和特殊群体提供无限美好的生活。智能手杖配备了GPS跟踪器、雷达成像摄像头和骨传导耳机，以帮助用户有效导航和听力。不使用时，Caregiver可停靠在其无线充电底座中，以帮......
[期刊论文] 作者：Chun-Wang Ma,Yi-Pu Liu,Hui-Ling Wei,Jie Pu,Kai-Xuan Cheng,Yu-Ting Wang,
来源：核技术（英文版） 年份：2022
Configurational information entropy (CIE) the-ory was employed to determine the neutron-skin thickness of neutron-rich calcium isotopes.The nuclear density dis-tributions and fragment cross sections in 350 MeV/u 40-60Ca + 9Be projectile fra......
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