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An efficient non-iterative smoothed particle hydrodynamics fluid simulation method with variable smoothing length
《Visual Computing for Industry,Biomedicine,and Art》2023年第1期1-13,共13页Min Li Hongshu Li Weiliang Meng Jian Zhu Gary Zhang 
the Key Program of National Natural Science Foundation of China,No.62237001;National Natural Science Foundation for Excellent Young Scholars,No.6212200101;National Natural Science Foundation for General Program,Nos.62176066 and 61976052;Guangdong Provincial Science and Technology Innovation Strategy Fund,No.2019B121203012;and Guangzhou Science and Technology Plan,No.202007040005.
In classical smoothed particle hydrodynamics(SPH)fluid simulation approaches,the smoothing length of Lagrangian particles is typically constant.One major disadvantage is the lack of adaptiveness,which may compromise a...
关键词：Smoothed particle hydrodynamics Variable smooth length Fluid simulation 
Transient Dynamic Analysis of A Variable-Length Rope-Driven Wave Energy System
《China Ocean Engineering》2022年第3期474-487,共14页QUAN Wei-cai OU Ding-chao XU Jing-wei HUO Liang-qing XI Yi 
This work was funded by the National Natural Science Foundation of China(Grant No.51709102);the Natural Science Foundation of Hunan Province(Grant No.2019JJ50166);the Scientific Research Fund of Hunan Provincial Education Department(Grant No.19B184).
A new dynamic model of a variable-length rope,which could be used for the transient analysis of a buoy-rope-generator(BRG)wave energy system,was proposed in this paper.The model started from the basic dynamic equation...
关键词：cable dynamics variable-length buoy-rope-generator numerical analysis 
Improved MPEG-4 High-Efficiency AAC With Variable-Length Soft-Decision Decoding of the Quantized Spectral Coefficients被引量：4
《China Communications》2019年第10期65-82,共18页Sai Han Hongbing Ma Ping Zhang Tim Fingscheidt 
MPEG-4 High-Efficiency Advanced Audio Coding (HE-AAC) is designed for low bit rate applications, such as audio streaming in mobile communications. The HE-AAC audio codec offers a better coding efficiency since variabl...
关键词：variable-length soft-decision decoding HE-AAC TRELLIS representation quantization spectral coefficients 
Axially variable-length solid element of absolute nodal coordinate formulation被引量：5
《Acta Mechanica Sinica》2019年第3期653-663,共11页Jialiang Sun Qiang Tian Haiyan Hu Niels L.Pedersen 
the National Natural Science Foundation of China (Grants 11521062, 11722216);the 111 China Project (Grant B16003);Postgraduate Research and Practice Innovation Program of Jiangsu Province (Grant KYCX17_0226);China Scholarship Council.
An axially variable-length solid element with eight nodes is proposed by integrating the arbitrary Lagrangian-Eulerian (ALE) formulation and the absolute nodal coordinate formulation (ANCF). In addition to the nodal p...
关键词：Flexible MULTIBODY dynamics Arbitrary Lagrangian-Eulerian FORMULATION Absolute NODAL coordinate FORMULATION Variable-length solid element 
FPGA based multi-channel variable-length FFT implementation被引量：1
《太赫兹科学与电子信息学报》2017年第3期469-474,共6页WANG Jiawei YU Le YANG Haigang FENG Guanglang SUN Jiabin LUO Yang 
The work was supported by National Natural Science Foundation of China(61271149)and by Beijing Natural Science Foundation(4144093)
High-speed real-time digital frequency analysis is one major field of Fast Fourier Transform(FFT)application,such as Synthetic Aperture Radar(SAR)processing and medical imaging.In SAR processing,the image size could b...
关键词：Field PROGRAMMABLE GATE Array Fast FOURIER Transform MULTI-CHANNEL parallel mode variable-length reconfigurable architecture 
Variable-length sequential dynamic features-based malware detection
《High Technology Letters》2016年第4期362-367,共6页杜冬高 Li Gaochao Ma Yan 
Supported by the National High Technology Research and Development Programme of China(No.2013AA014702);the Fundamental Research Funds for the Central University(No.2014PTB-00-04);the China Next Generation Internet Project(No.CNGI-12-02-027)
In order to solve the problem that traditional signature-based malware detection systems are inefficacious in detecting new malware,a practical malware detection system is constructed to find out new malware. Applicat...
关键词：application programming interface(API) call order variable-length N-GRAM malware detection 
Hybrid Unifying Variable Supernetwork Model
《Annual Report of China Institute of Atomic Energy》2015年第1期202-,共1页LIU Qiang FANG Jin-qing LI Yong 
Supported by National Natural Science Foundation of China(61174151)
In order to compare new phenomenon of topology change,evolution,hybrid ratio and network characteristics of unified hybrid network theoretical model with unified hybrid supernetwork model,this paper constructed unifie...
关键词：UNIFIED TOPOLOGY shortest fluctuate LENGTH 
Studies and advances on joint source-channel encoding/decoding techniques in flow media communications被引量：8
《Science China(Information Sciences)》2010年第1期1-17,共17页TU GuoFang LIU JianJun ZHANG Can GAO ShaoShuai LI ShiDong 
supported by the National High-Tech Research & Development Program of China (Grant No.2007AA01Z297);the National "Eleventh Five-year" Project of China (Grant No. 1320061262);the National Natural Science Foundation of China (Grant Nos. 60773137, 60972067)
Joint source-channel coding/decoding （JSCC/JSCD） techniques in flow media communications have become a state-of-the-art and one of the challenging research subjects in the spatial communication area. They have great...
关键词：joint source-channel coding/decoding rate allocation variable-length coding/decoding iterative decoding 
Detecting network intrusions by data mining and variable-length sequence pattern matching被引量：2
《Journal of Systems Engineering and Electronics》2009年第2期405-411,共7页Tian Xinguang Duan Miyi Sun Chunlai Liu Xin 
supported by the National Grand Fundamental Research "973" Program of China (2004CB318109);the National High-Technology Research and Development Plan of China (2006AA01Z452);the National Information Security "242"Program of China (2005C39).
Anomaly detection has been an active research topic in the field of network intrusion detection for many years. A novel method is presented for anomaly detection based on system calls into the kernels of Unix or Linux...
关键词：intrusion detection anomaly detection system call data mining variable-length pattern 
Runoff variations in the Luanhe River Basin during 1956-2002被引量：14
《Journal of Geographical Sciences》2007年第3期339-350,共12页LI Jianzhu FENG Ping 
China Education Foundation; National Natural Science Foundation of China, No.50579049
The decrease of runoff in the Luanhe river basin, which caused water crisis in Tian-jin for several times, was investigated using discharge data covering the period 1956-2002. The data from the differential integral c...
关键词：runoff trend Luanhe river basin difference integral curves spectral analysis Variable Record Length 
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