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Defence Technology（防务技术） 2024年第2期32卷 572-595页

作者： Yue Wang fuping sun Xian Wang Jinming Hao Kai Xiao School of Geospatial Information The PLA Information Engineering UniversityZhengzhou 450001HenanChina

This paper realizes the full-domain collaborative deployment of multiple interference sources of the global satellite navigation system(GNSS)and evaluates the deployment effect to enhance the ability to disturb the attacker and the capability to defend the GNSS during navigation *** evaluation indicators for the jamming effect of GNSS suppressive and deceptive jamming sources are first created,their evaluation models are built,and their detection procedures are sorted out,as the basis for determining the deployment *** principles for collaboratively deploying multi-jamming sources are developed to obtain the deployment structures(including the required number,structures in demand,and corresponding positions)of three single interference sources required by collaboratively ***,simulation and hardware-in-loop testing results are presented to determine a rational configuration of the collaborative deployment of multi-jamming sources in the set situation and further realize the full-domain deployment of an interference network from ground,air to *** evaluation indices for the deployment effect are finally developed to evaluate the deployment effect of the proposed configuration and further verify its reliability and rationality.

关键词： Jamming effect Multiple interference sources Collaborative deployment Effect evaluation Defense capability

Evaluation of global navigation satellite system spoofing efficacy

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Journal of Systems Engineering and Electronics 2022年第6期33卷 1238-1257页

作者： WANG Yue sun fuping HAO Jinming ZHANG Lundong WANG Xian PLA Strategic Support Force Information Engineering University Henan 450001China

The spoofing capability of Global Navigation Satellite System(GNSS)represents an important confrontational capability for navigation security,and the success of planned missions may depend on the effective evaluation of spoofing ***,current evaluation systems face challenges arising from the irrationality of previous weighting methods,inapplicability of the conventional multi-attribute decision-making method and uncertainty existing in *** solve these difficulties,considering the validity of the obtained results,an evaluation method based on the game aggregated weight model and a joint approach involving the grey relational analysis and technique for order preference by similarity to an ideal solution(GRA-TOPSIS)are firstly proposed to determine the optimal *** and dynamic evaluation results under different schemes are then obtained via a fuzzy comprehensive assessment and an improved dynamic game method,to prioritize the deceptive efficacy of the equipment accurately and make pointed improvement for its core *** use of judging indicators,including Spearman rank correlation coefficient and so on,combined with obtained evaluation results,demonstrates the superiority of the proposed method and the optimal scheme by the horizontal comparison of different methods and vertical comparison of evaluation ***,the results of field measurements and simulation tests show that the proposed method can better overcome the difficulties of existing methods and realize the effective evaluation.

关键词： Global Navigation Satellite System(GNSS)spoofing index system for spoofing strategy game aggregated weight model grey relational analysis and technique for order preference by similarity to an ideal solution(GRA-TOPSIS)method dynamic game method

Detection of unsymmetrical global tectonic change by using space geodetic data

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Chinese Science Bulletin 2000年第7期45卷 639-643页

作者： sun fuping ZHAO Ming NING Jinsheng CHAO Dingbo Zhengzhou Institute of Surveying and Mapping Zhengzhou 450052China Shanghai Observatory Chinese Academy of SciencesShanghai 200030China Wuhan Technical University of Surveying and Mapping Wuhan 430070China

The global tectonic change deduced from geophysical research was first identified by space geodetic data from VLBI, GPS and SLR measurements. whether using geodesic rates or using vertical velocities of stations, three kinds of data and their integration give consistent results: within the mid-latitude belt on the Northern Hemisphere there may be about 8 - 10 mm/a contracting change; within the mid-latitude belt on the Southern Hemisphere there may be about 12-14 mm/a expanding change. This result not only validates the reverse global tectonic change in the Southern and Northern Hemispheres of the Earth, but also gives relatively precise quantative estimations.

关键词： space geodesy measuring site velocities global tectonic change.

中药基于PI3K/AKT/mTOR信号通路治疗膝骨关节炎

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中医学报 2024年第1期39卷 84-91页

作者：王笑甜陈唤楠孙福平周友龙河南中医药大学河南郑州450046 河南中医药大学第三临床医学院河南郑州450008

磷脂酰肌醇3激酶(phosphatidylinositiol 3 kinase,PI3K)/蛋白激酶B(protein kinase B,PKB,又称AKT)/哺乳动物雷帕霉素靶蛋白(mammalian target of rapamycin,mTOR)信号通路在膝骨性关节炎(knee osteoarthritis,KOA)的形成、发展和治疗中起着关键作用,其在软骨增殖与凋亡、软骨下骨重塑和滑膜炎症中扮演重要角色。抑制PI3K/AKT/mTOR信号传导,能够促进自噬,减轻关节炎症反应,恢复关节稳态;激活PI3K/AKT/mTOR信号传导,可以促进软骨细胞增殖分化,减少凋亡。以中药单体和中药复方为研究对象,依据中药基于PI3K/AKT/mTOR信号通路分析其促进软骨细胞增殖、减少凋亡、抑制炎症反应、增强软骨细胞自噬、恢复关节稳态、减轻关节损伤等方面的机制,以期为KOA的临床治疗及基础研究提供思路。

关键词：膝骨性关节炎中药 PI3K/AKT/mTOR信号通路

Effect of the Oxidation Time on Properties of Ceramic Coatings Produced on Ti-6Al-4V by Micro-Arc Oxidation

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Journal of Materials Science & Technology 2005年第2期21卷 281-284页

作者： Zhaohua JIANG, Xuetong sun, Yanping LI, fuping WANG and Yandong LU Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China Dept. of Appl. Chem. Harbin Inst. of Technol. Harbin 150001 China

Ceramic coatings were prepared on Ti-6AI-4V alloy using ac micro-arc oxidation (MAO) in silicate-hypophosphate solution. Growth regularity and formation mechanism of ceramic coatings were discussed. It was found that during the first stage the growth rate of coatings toward the external surface was larger than that toward substrate and then the coating began to grow mainly towards Ti alloy. When the total coating thickness reaches a certain value, it would no longer increase. In addition, the variations of the composition and microstructure of ceramic coatings according to the depositing time were also investigated with X-ray diffraction (XRD) and scanning electron microscope (SEM). The amount of rutile TiO2 gradually increased, whereas the amounts of the anatase TiO2 and amorphous phases first increased and then decreased slightly.

关键词： Titanium alloy Ceramic coating Oxidation time Thickness

Full-domain collaborative deployment method of multiple interference sources and evaluation of its deployment eff ect

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Research and progress of Beidou satellite navigation system

Defence technology 2024年第2期

作者： Yue Wang fuping sun Xian Wang Jinming Hao Kai Xiao

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Science China(Information Sciences) 2012年第12期55卷 2899-2907页

作者： sun fuping ,LIU Shuai,ZHU XinHui & MEN BaoHong College of Navigation and Aerospace Engineering,Information Engineering University,Zhengzhou 450052,China College of Navigation and Aerospace Engineering Information Engineering University Zhengzhou China

The paper gives a brief review of the development course and strategic planning of Beidou satellite navigation system,and introduces its construction progress,with emphasis on the research progress of some key technologies of Beidou,including navigation constellation design,navigation signal structure and performance,compatibility and interoperability,precise orbit determination,navigation and precise *** main problems and challenges of Beidou are described.

关键词： Beidou satellite navigation system navigation constellation design navigation signal structure and performance compatibility and interoperability precise orbit determination navigation and precise positioning

Maintenance of Millimeter-level Geodetic Reference Framework

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测绘学报:英文版 2023年第3期6卷 9-18页

作者： Yamin DANG Hu WANG fuping sun Guangwei JIANG Xinhui ZHU Yingyan CHENG Qiang YANG Yingying REN Jing JIAO Chinese Academy of Surveying and Mapping Beijing 100036China Institute of Geospatial Information Information Engi-neering UniversityZhengzhou 450052China Geodetic Data Processing Centre of Ministry of Natural Resources Xi’an 710054China College of Surveying and Geo-Informatics Tongji UniversityShanghai 200092China

The high-precision terrestrial reference frame,as the spatial benchmark for geodesy,is an important national ***,due to the influence of nonlinear factors related to geophysical phenomena,the overall maintenance accuracy of the ITRF framework is still at the centimeter ***,accurately characterizing the true trajectories of linear motion,nonlinear motion,and geocentric motion of the reference station is the key to achieve the construction and maintenance technology of a millimeter level terrestrial reference *** on long-term global and regional GNSS observation data,more Chinese geodesy scientists devoted much efforts to the maintenance of millimeter-level geodetic reference *** main contributions of this work included the followings:①Dynamic maintenance of millimeter-level terrestrial reference frame;②Research progress on the method of maintenance of regional reference frame based on GNSS;③The progress of CGCS2000 frame maintenance in millimeter level accuracy;④Reprocessing and reanalysis of two-decade GNSS observation in continental China;⑤Research on current GNSS velocity field model and deformation in Chinese mainland;⑥The preliminary realization and evaluation of CTRF2020.

关键词： reference framework millimeter level dynamic maintenance repro3 BDS3 CTRF2020

Highly efficient recognition of similar objects based on ionic robotic tactile sensors

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Science Bulletin 2024年第13期69卷 2089-2098页

作者： Yongkang Kong Guanyin Cheng Mengqin Zhang Yongting Zhao Wujun Meng Xin Tian Bihao sun fuping Yang Dapeng Wei Chongqing Key Laboratory of Generic Technology and System of Service Robots Chongqing Institute of Green and Intelligent TechnologyChinese Academy of SciencesChongqing 400714China School of Computer Science and Technology Chongqing University of Posts and TelecommunicationsChongqing 400065China

Tactile sensing provides robots the ability of object recognition,fine operation,natural interaction,***,in the actual scenario,robotic tactile recognition of similar objects still faces difficulties such as low efficiency and accuracy,resulting from a lack of high-performance sensors and intelligent recognition *** this paper,a flexible sensor combining a pyramidal microstructure with a gradient conformal ionic gel coating was demonstrated,exhibiting excellent signal-to-noise ratio(48 dB),low detection limit(1 Pa),high sensitivity(92.96 kPa^(-1)),fast response time(55 ms),and outstanding stability over 15,000 compression-release ***,a Pressure-Slip Dual-Branch Convolutional Neural Network(PSNet)architecture was proposed to separately extract hardness and texture features and perform feature *** tactile experiments on different kinds of leaves,a recognition rate of 97.16%was achieved,and surpassed that of human hands recognition(72.5%).These researches showed the great potential in a broad application in bionic robots,intelligent prostheses,and precise human–computer interaction.

关键词： Tactile recognition Conformal ionic gel coating Flexible sensors Dual-branch convolutional neural network

The analysis of GPS seasonal systematic error based on co-location sites

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The analysis of GPS seasonal systematic error based on co-lo...