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  1. 6781

    Outage probability for cooperative communication system with asymmetric channel by CHUAI Gang1, LIU Sheng1, WEN Xiao-jun1

    Published 2010-01-01
    “…An analytical expression of the average outage probability which was proved accurate by simulation was derived by using the method of characteristic function. …”
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  2. 6782

    Modeling and analyzing for network coded TCP by San-feng ZHANG, Shuang LI, Xiang LAN, Yong-dong HU

    Published 2013-11-01
    “…With maximum window size, end-to-end packet loss rate and redun-dancy factor as input parameters, throughput of network coded TCP was calculated to carry quantitative analysis of fac-tors affecting the network coded TCP performance in the numerical analysis model. Simulation results based on the NS2 simulator show that the numerical analysis model achieves fairly high accuracy.…”
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  3. 6783
  4. 6784

    Application of Evolutionary Algorithms and Statistical Analysis in the Numerical Optimization of an Axial Compressor by Clarich Alberto, Mosetti Giovanni, Pediroda Valentino, Poloni Carlo

    Published 2005-01-01
    “…We have used a 3D parametric mesh and the CFX-Tascflow code for the flow simulation. To find out the most important variables in this problem, we have run a preliminary series of designs, whose results have been analyzed by a statistic tool. …”
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  5. 6785

    A congestion control method based on loading-feedback in MTC by Hongguang DUAN, Songpin LU, Lifei WANG, Dan TAN, Jiangqi GAO

    Published 2016-11-01
    “…Through analyzing the access efficiency of machine type communication(MTC)devices in LTE-Advanced system,a loading-feedback control method was proposed.The current access load was estimated and the load of next access slot were calculated using the preamble state information,and the access control parameters for MTC device were adjusted based on the load change dynamically.The good performance of the proposed solution was evaluated by computer simulations.The simulation result shows that the proposed scheme can reduce the impact of nearly simultaneous access of a large number of MTC devices on human-to-human(H2H)devices,decrease the number of retransmissions and improve the access success rate effectively.…”
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  6. 6786

    Research on routing protocol of vehicular delay-tolerant networks by Hai-tao JIANG, Hong ZHANG, Qian-mu LI

    Published 2013-03-01
    “…MROFDM with some existing multi-copies routing protocols were compare in simulation. The simulation results verify the performance advantage of MROFDM, and show the adaptability of MROFDM with different proportions of movement models.…”
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  7. 6787

    Spectrum Access Algoritbm Based on POMDP Model in CVANET by Xuefei Zhang, Guoan Zhang, Yancheng Ji

    Published 2014-09-01
    “…Finally, the influence factors of cognitive vehicle user throughput through the simulation were studied, and the feasibility of the algorithm was verified. …”
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  8. 6788

    Complex Dynamics in Generalized Hénon Map by Meixiang Cai

    Published 2015-01-01
    “…The conditions of existence for fold bifurcation, flip bifurcation, and Hopf bifurcation are derived by using center manifold theorem and bifurcation theory and checked up by numerical simulations. Chaos in the sense of Marotto's definition is proved by analytical and numerical methods. …”
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  9. 6789

    Mechanism Design and Motion Optimization of the Flip Mechanism of Glass Loading Machine by Lv Kun, Yan Minghui, He Lifang

    Published 2015-01-01
    “…The glass loading machine is important equipment which generally uses four-bar mechanism to flip a piece of glass,and the mechanism decides the motion performance of the glass loading machine.According to the working space constraints and motion requirement,the initial position conditions of the flip mechanism is got and based on it the structure design is conducted by the rigid body guidance method for mechanism design,and the reasonable structure size is given.The mechanism motion simulation model is built with the ADAMS software,and then the motion characteristics of the mechanism is analyzed based on the simulation result when input a uniform motion.In order to improve the working stability of loading machine,a reasonable control mode of input motion to the driving link is proposed.…”
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  10. 6790

    A Squirrel-cage Globoidal Cam Planetary Mechanism by Gong Yan, Cao Jujiang, Zhang Yanhua

    Published 2020-02-01
    “…Through the three-dimensional modeling and motion simulation of squirrel-cage globoidal cam planetary mechanism, the accuracy of the mechanism movement is verified by the simulation results.…”
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  11. 6791

    Deployment scheme of RSU based on connection time in VANET by Zhengchao DING, Zhenchun WEI, Lin FENG

    Published 2017-04-01
    “…For the roadside unit (RSU) placement problem in vehicular Ad Hoc network (VANET),the deployment scheme of RSU based on connection time was proposed.The scheme find the optimal positions of RSU for maximizing the number of vehicles while ensuring a certain level of connection time under the limited number of RSU.The problem was modeled as a maximum coverage problem,and a binary particle swarm algorithm was designed to solve it.The simulation experiment was carried out with the real Beijing road network map and taxi GPS data.The simulation results show that the algorithm is convergent,stable and feasible.Compared with the greedy algorithm,the proposed scheme can provide continuous network service for more vehicles.…”
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  12. 6792

    Combining Interval Branch and Bound and Stochastic Search by Dhiranuch Bunnag

    Published 2014-01-01
    “…Two algorithms for unconstrained problems are proposed, the hybrid interval simulated annealing and the combined interval branch and bound and genetic algorithm. …”
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  13. 6793

    Visualization Techniques of Differentially Heated Lid-Driven Square Cavity by Vekamulla Narayana

    Published 2020-01-01
    “…The governing equations along with boundary conditions are solved numerically. The simulated results (100 ≤ Re ≤ 1000 and 0.001 ≤ Ri ≤ 10) are validated with previous results in the literature. …”
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  14. 6794

    Chaos and Control in Coronary Artery System by Yanxiang Shi

    Published 2012-01-01
    “…Numerical simulations are used to investigate the nonlinear dynamical characteristics and complexity of the two systems, revealing bifurcation forms and the road leading to chaotic motion. …”
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  15. 6795

    A New Mixed Estimator in Nonparametric Regression for Longitudinal Data by Made Ayu Dwi Octavanny, I Nyoman Budiantara, Heri Kuswanto, Dyah Putri Rahmawati

    Published 2021-01-01
    “…The results show that simulated data and real data yield consistent findings.…”
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  16. 6796

    Spectrum allocation of cognitive wireless network based on immune clone selection optimization by CHAI Zheng-yi1, LIU Fang1

    Published 2010-01-01
    “…The spectrum sensing process was described based on WRAN.By analyzing physical connection of cognitive wireless network,the mathematical model of spectrum allocation was given,and then it was converted into a constrained optimization problem,whose goal was to maximum the profit of network.An immune clone selection algorithm was proposed to solve the problem,and the algorithm convergent with probability 1 was proved.Finally,the simulation experiments were done to test the algorithm.The results showed that compared with CSGC algorithm(color-sensitive graph coloring) and GA-SA(spectrum allocation based on genetic algorithm),this algorithm could achieve maximization of network profits.Meanwhile,the system simulation results based on WRAN confirmed its effectiveness.…”
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  17. 6797

    Distinct creep regimes of methane hydrates predicted by a monatomic water model by Henrik Andersen Sveinsson, Pinqiang Cao

    Published 2025-01-01
    “…Here we show, using molecular dynamics simulations spanning almost 2 orders of magnitude of stresses and 3 orders of magnitude of strain rates, that such power-law creep emerges in molecular dynamics simulations of polycrystalline methane hydrates using a monatomic water model, suggesting that only simplified molecular interactions and the concept of a hydrate polycrystal are needed for such power-law creep behavior to emerge. …”
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  18. 6798

    Analysis of Key Factors Affecting the Coke Pushing Stability of Coke Pusher by Jin Xiang

    Published 2022-01-01
    “…In order to find out the key factor affecting the stability of coke pusher, the structural deformation and vibration mode parameters of the coke pusher are obtained by thermal-structural coupling simulation and thermal-modal coupling simulation, and the vibration signals in the process of coke pushing are collected for time-domain analysis and time-frequency analysis. …”
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  19. 6799

    Distributed locating algorithm for wireless sensor networks-MDS-MAP(D) by MA Zhen, LIU Yun, SHEN Bo

    Published 2008-01-01
    “…A new distributed locating algorithm MDS-MAP(D) was proposed,which attempted to improve the perform-ance of node localization in wireless sensor networks.The process of the computation about node relative coordinates and the aggregation from local network to global network are introduced explicitly.Further,the analyses to computational complexity and the simulations of the algorithm are also present.MDS-MAP(D),which is based on node clustering mechanism and uses connectivity of nodes to estimate the coordinates of nodes,reduces the complexity and energy con-sumption of node localization on the absence of distance measurement with high precision.The simulation and analysis results indicate that the complexity of node localization algorithm falls to O(Nm 2),m < N from O(N 3) and the accu-racy is improved 1%~3%.…”
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  20. 6800

    Feature Frequency Extraction Method based on SAS Noise Reduction and Spectral Kurtosis by Xiao Lingjun, Lü Yong, Yuan Rui

    Published 2019-12-01
    “…The effectiveness of the proposed method is verified by simulation and data experiments.…”
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