DIRECTIONALITY

作品数：36被引量：54H指数：3
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相关领域：自动化与计算机技术更多>>
相关作者：袁蕾更多>>
相关机构：上海外国语大学更多>>
相关期刊：《Earthquake Science》《Data Science and Informetrics》《Journal of Donghua University(English Edition)》《Modeling and Numerical Simulation of Material Science》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划上海市自然科学基金更多>>
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GNSS spoofing detection for single antenna receivers via CNR variation monitoring
《Journal of Systems Engineering and Electronics》2024年第5期1276-1286,共11页LIAO Maoyou LYU Xu MENG Ziyang YOU Zheng 
supported by the National Natural Science Foundation of China(62273195).
In this paper,a method for spoofing detection based on the variation of the signal’s carrier-to-noise ratio(CNR)is proposed.This method leverages the directionality of the antenna to induce varying gain changes in th...
关键词：spoofing detection global navigation satellite system(GNSS) variation of carrier-to-noise ratio(CNR) antenna directionality 
A Review on the Study of Continental Drift and Numerical Simulation Associated with the Early Earth Core-Magma Angular Momentum Exchange
《Open Journal of Geology》2023年第9期980-1006,共27页Weihong Qian 
According to the drive of planetary-scale upper magma fluid motions associated with the core-magma angular momentum exchange in the early Earth’s interior, this paper reviewed the results of continental drift studied...
关键词：Continental Drift Driving Force DIRECTIONALITY Numerical Model Angular Momentum Exchange 
Study on fracture characteristics in coal and shale for coal-measure gas reservoir based on 3D CT reconstruction and fractal features
《Frontiers of Earth Science》2023年第2期514-526,共13页Huijun WANG Shangbin CHEN Shaojie ZHANG Chengxing ZHANG Yang WANG Gaofeng YI Yixuan PENG 
supported by the National Natural Science Foundation of China(Grant Nos.41972171 and 42172156);the Fundamental Research Funds for the Central Universities(No.2020CXNL11);the Graduate Innovation Program of China University of Mining and Technology(No.KYCX22_2604);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD).
Pores and fractures are important components of flow channels in coal-measure gas reservoirs.While considerable studies have been conducted on pore structure evolution,very few studies have investigated the fracture d...
关键词：pore-fracture system fracture distribution DIRECTIONALITY HETEROGENEITY CT experiment coalmeasure gas reservoirs 
Effect of Pore Morphology and Regional Distribution of Liquid Diffusion Directionality in Nonwoven Fabrics
《Journal of Donghua University(English Edition)》2023年第3期267-276,共10页殷炯 周倩倩 纪峰 张瑞云 王妮 王永生 
National Key R&D Program of China (No. 2017YFB0309100)。
The effect of pore morphology and regional distribution on liquid diffusion directionality in nonwoven fabrics was investigated in this study.Pore orientation angle(POA) and pore aspect ratio(PAR) were proposed to cha...
关键词：liquid diffusion ANISOTROPY pore morphology regional distribution primary diffusion orientation angle(PDOA) 
Web Page Recommendation Using Distributional Recurrent Neural Network
《Computer Systems Science & Engineering》2023年第4期803-817,共15页Chaithra G.M.Lingaraju S.Jagannatha 
In the data retrieval process of the Data recommendation system,the matching prediction and similarity identification take place a major role in the ontology.In that,there are several methods to improve the retrieving...
关键词：ONTOLOGY data mining in big data logarithmic directionality texture pattern metaheuristic pattern searching system distributional recurrent neural network query recommendation 
Multi-hazard joint probability distribution model for wind speed,wind direction and rain intensity被引量：2
《Science China(Technological Sciences)》2023年第2期336-345,共10页BI WenZhe TIAN Li LI Chao ZHANG SiYao 
supported by the National Natural Science Foundation of China (Grant Nos.52178489 and 52078106);the Young Scholars Program of Shandong University (Grant No.2017WLJH33)。
Multiple disasters such as strong wind and torrential rain pose great threats to civil infrastructures.However,most existing studies ignored the dependence structure between them,as well as the effect of wind directio...
关键词：joint probability distribution wind speed rain intensity wind direction vine copulas directionality effects 
Characteristics of electromagnetic vector field generated from rock fracturing被引量：2
《Journal of Rock Mechanics and Geotechnical Engineering》2023年第2期457-466,共10页Menghan Wei Dazhao Song Xueqiu He Quan Lou Liming Qiu Zhenlei Li 
This work was supported by the National Natural Science Foundation of China(Grant No.51904019);Key Scientific Research Projects Plan of Henan Higher Education Institution(Grant No.21A620001);Fundamental Research Funds for the Central Universities(Grant No.FRF-IDRY-20-006).
Rock fracturing is often accompanied by electromagnetic phenomenon.As a vector field,in addition to the intensity that is widely concerned,the generated electromagnetic field also has obvious direction-ality.To this e...
关键词：Electromagnetic radiation DIRECTIONALITY Vector field Rock fracturing 
Substrate specificity and reaction directionality of a three-residue cyclophane forming enzyme Pau B被引量：1
《Chinese Chemical Letters》2023年第1期362-366,共5页Yuanjun Han Suze Ma Qi Zhang 
supported by grants from the National Key Research and Development Program (Nos. 2018YFA0900402 and 2021YFA0910501);the National Natural Science Foundation of China (Nos. 21822703, 21921003, and 32070050);the funding of Innovative research team of high-level local universities in Shanghai;a key laboratory program of the Education Commission of Shanghai Municipality (No. ZDSYS14005);West Light Foundation of the Chinese Academy of Sciences (No. xbzgzdsys-202105)。
Three-residue cyclophane-forming enzymes(3-Cy FEs) are a group of radical S-adenosylmethionine(SAM)enzymes involved in the biosynthesis of ribosomally synthesized and posttranslationally modified peptides(Ri PPs). 3-C...
关键词：CYCLOPHANE BIOSYNTHESIS Radical SAM Enzyme catalysis Peptide Natural product 
Measurements on the Turtle’s Shell that Help Illuminate How the Fishes Lateral Line Function Was Replaced by the Reptilian Hearing Organ
《Natural Science》2022年第4期157-162,共6页Michelangelo Rossetto 
The acoustic sense of fish, embodied in the lateral line, no longer worked when amphibians ventured onto the land. The new acoustic environment where sound traveled in the thin medium of air rather than the relatively...
关键词：Turtle Shell Lateral Line Amphibian Ear Shell Reflections Directionality Sense 
Blast Pressure Measurements of an Underwater Detonation in the Sea被引量：3
《Journal of Marine Science and Application》2021年第4期706-713,共8页Alpaslan Tatlısuluoğlu Serdar Beji 
Blast pressure measurements of a controlled underwater explosion in the sea were carried out.An explosive of 25-kg trinitro-toluene(TNT)equivalent was detonated,and the blast pressures were recorded by eight diferent ...
关键词：Underwater explosions High-pressure shock waves Efects of directionality on blast pressure records Pressure loading formulas Applications of the least-squares method 
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