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1641
Research on multi-target recognition method based on WSN and blind source separation
Published 2019-03-01“…Aiming at the problem of signal aliasing in multi-target detection and recognition using wireless sensor network (WSN),a blind source separation algorithm was proposed,which can determine the number of targets and obtain the accurate source signals.In this algorithm,the multichannel mixed signal was used as the analysis object,the number of source signals was determined based on the eigenvalue method and then the blind source separation algorithm based on the non-negative matrix factorization was used to obtain the separation signals.The experimental results indicate that the number of targets can be determined and the accurate separation signals can be obtained by the proposed scheme.It can be applied to solve the problem of signal aliasing in multi-target detection and recognition.…”
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1642
Archimedean unital groups with finite unit intervals
Published 2003-01-01“…Let G be a unital group with a finite unit interval E, let n be the number of atoms in E, and let κ be the number of extreme points of the state space Ω(G). …”
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1643
On the Minimum General Sum-Connectivity of Trees of Fixed Order and Pendent Vertices
Published 2022-01-01“…For a graph G, its general sum-connectivity is usually denoted by χαG and is defined as the sum of the numbers dGu+dGvα over all edges uv of G, where dGu,dGv represent degrees of the vertices u,v, respectively, and α is a real number. …”
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1644
Transformation of the spring highwater and flood runoff in the Upper Volga basin under the climate change impact
Published 2021-08-01“…At the same time, an increase in the number of transitions of air temperature through 0 °С in the area of positive values in winter leads not only to an additional reduction in snow storage by the beginning, but also ensures an increase in the number and size of thaw floods. …”
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1645
Application of Differential Evolution Algorithm in the Construction and Simulation of Interactive English Translation Teaching Mode
Published 2022-01-01“…Moreover, this paper studies the algorithm structure of the LowMC algorithm and evaluates the rationality of the LowMC algorithm round number setting by analyzing the actual attack effect of the key initial round number of a specific linear layer. …”
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1646
The χ-Boundedness of P2∪P3-Free Graphs
Published 2022-01-01“…Let χG, ωG, and ΔG be the chromatic number, clique number, and maximum degree of a graph G, respectively. …”
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1647
Local maxima of a random algebraic polynomial
Published 2001-01-01“…We present a useful formula for the expected number of maxima of a normal process ξ(t) that occur below a level u. …”
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1648
Improved PESA algorithm based on comentropy
Published 2013-11-01“…Aiming at the issue that the computational effort the complexity and the running time of PESA algorithm are increasing rapidly with the growth of the solutions set number, a comentropy-based PESA algorithm (C-PESA) by merg-ing the entropy value metric into PESA algorithm was proposed. …”
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1649
Die impak van gepreokkupeerdheid met seksuele aktiwiteit geassosieer met internetgebruik op die gesin - 'n pastorale perspektief
Published 2006-12-01“… Together with the tremendous growth in the number of users of the internet in recent years, there was a corresponding growth in pornographic websites as well as internet sex. …”
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1650
Autonomous Planning of Multigravity-Assist Trajectories with Deep Space Maneuvers Using a Differential Evolution Approach
Published 2013-01-01“…The biologically inspired concept of hidden genes has been recently introduced in genetic algorithms to solve optimization problems where the number of design variables is variable. In multigravity-assist trajectories, the hidden genes genetic algorithms demonstrated success in searching for the optimal number of swing-bys and the optimal number of deep space maneuvers. …”
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1651
The Role of Rural Cities' Festivals in the Development of Regions
Published 2017-12-01“…Festival tourism is a dynamically developing area of tourism which is supported by the growing number of festival tourists and by the strengthening of traveling motivations to festivals. …”
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1652
Error exponent for TAS/MRC fading channel
Published 2016-05-01“…Using Meijer-G function,exact expression for the random coding error exponent,ergodic capacity,cutoff rate,expurgated exponent of TAS/MRC Nakagami-m fading channel were derived.Numerical results show that the random coding error exponent is related to channel fading coefficient,coding rate,the number of transmitting and receiving antennas,and signal symbol period.With the coding rate,the number of the receiving and transmitting antennas and the average signal to noise ratio increasing,the RCEE of the system will become larger and the BER performance of the system will be better.For a given decoding error probability of a wireless communication system,necessary coding length,number of antennas,channel coherence time,and spatial fading correlation could be estimated by computing the random coding error exponent.…”
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1653
Modeling and maintaining the reliability of data replica service in cloud storage systems
Published 2014-10-01“…The reliability of data-nodes and the reliability of relevant network links were analyzed,and then the reliability model of replica service of cloud storage systems was constructed.According to the relationships among access reliability,the number of replicas and the number of user’s accesses,the reliability of data service and the trigger mechanism of replica generation were presented,and the storage node selection was aptly checked,then the replica distribution algorithm and replica deletion algorithm were proposed.Finally a series of experiments were conducted in the cloud storage system,named ERS-Cloud,and the results indicate that the approach can ensure the reliability of data service,and further decrease the number of replicas of the redundant storage.…”
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1654
Some Upper Bounds on the First General Zagreb Index
Published 2022-01-01“…The first general Zagreb index MγG or zeroth-order general Randić index of a graph G is defined as MγG=∑v∈Vdvγ where γ is any nonzero real number, dv is the degree of the vertex v and γ=2 gives the classical first Zagreb index. …”
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1655
Study of innovation activity dynamics in Russia’s federal districts
Published 2022-01-01“…During this period, there has been an increase in the number of organisations that carried out research activities, and also in the total domestic expenditure on research and development. …”
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1656
Performance analysis of React v. 18.1.0 and Angular v. 11.0.2 development frameworks
Published 2023-12-01“…The research was carried out using test applications with the same functionalities, implemented in both environments. The number of bytes occupied by both projects, the number of lines of code, the average RAM consumption and the time efficiency were used as criteria for comparison. …”
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1657
The Criteria of Site Selection for Farmers’ Markets
Published 2016-12-01“…Over the past few years the number of farmers’ markets in Hungary has considerably grown what was induced both by the growing demand and the occurrence of facilitated authorization requirements. …”
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1658
Mathematical Modelling of the Transmission of Malaria.
Published 2024“…Sensitivity analysis of the parameters to basic reproduction number. The results show that the basic reproduction number Ro is more sensitive to natural mortality. …”
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1659
Estimation of supply and demand for public health nurses in Japan: A stock-flow approach.
Published 2025-01-01“…Public health nurses (PHNs) play a central role in community health in Japan, and the number of certified PHNs has decreased since 2011. …”
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1660
Layout Aware Optimization of High Speed Fixed Coefficient FIR Filters for FPGAs
Published 2010-01-01“…We observed up to 50% reduction in the number of slices and up to 75% reduction in the number of look up tables (LUTs) for fully parallel implementations compared to DA method. …”
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