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1461
Robust estimator for indoor node localization
Published 2008-01-01“…It first divides all the ranging measurements into three different domains (effective in- formation, usable information and bad information) according to the corresponding residual errors, and then adopts dif- ferent weighting scheme (maintaining, down-weighting, rejecting) through self-adaptation during iterative process. Ex- tensive simulation results confirm that this proposed localization scheme outperforms remarkably traditional least squares (LS), which do not employ outlier identification and restraint.…”
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1462
GIS varmer op under fjernvarmeforretningen
Published 2025-01-01“…Artiklen fremhæver vigtigheden af datakvalitet, ejerskab og tværgående samarbejde samt fordelene ved iterative processer og automatisering. Governance og netværk er afgørende for at realisere potentialet i GIS og geodata, hvilket kan transformere forsyningsvirksomheder og skabe betydelig værdi. …”
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1463
Application of PDE Constrained Optimization in Internal Combustion Engine Pollution Control
Published 2023-01-01“…Finally, the semismooth Newton method is used to iteratively find the optimal solution. The results of the comparison experiment show that the algorithm in this paper has a great improvement in the results of Newton step number and dose area percentage.…”
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1464
After-tourism revisited
Published 2018-09-01“…Moreover, it has emerged from a constant iteration between on the one hand normative and non-normative registers and on the other geographical, thematic, scientific and pedagogical anchors.…”
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1465
Performance of constant envelope OFDM system with nonlinear power amplifier
Published 2016-09-01“…Orthogonal frequency division multiplexing technology is widely used in wireless communication system due to its high spectral efficiency and good resistance ability to frequency selective fading.But it has high peak-to-average power ratio.Therefore,OFDM system needs large input power back-off to avoid signal distortion when using nonlinear power amplifier.In order to study the performance of the system under the condition of nonlinear power amplifier,the implementation of constant envelope OFDM was analyzed.Taking bit error rate as an index,the performance comparison between CE-OFDM system and OFDM system using traditional iterative limiting filter PAPR suppression technology were given under additive white Gaussian noise channel and multipath fading channel.…”
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1466
Existence Results for a Perturbed Problem Involving Fractional Laplacians
Published 2014-01-01“…First, for odd nonlinearity f and for every s∈(0,1), we prove that there exists a layer solution via the monotone iteration method. Besides, existence results are obtained by variational methods for s∈(1/2,1) and for more general nonlinearities. …”
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1467
Virtual machine placement algorithm based on cuckoo search
Published 2017-10-01“…A cuckoo search algorithm was introduced for virtual machine placement.Firstly,the virtual machine placement program was mapped to the nest,and according to the level,the fitness would be divided into top and bottom nest.Secondly,the bottom nest and the top nest were disturbed by the disturbance function.Finally,by selecting,iterations got the best placement scheme.The algorithm was used for physical integration of cloud data centers,minimizing the number of physical machines placed.The algorithm is simulated by Cloudsim and the results show that the proposed method not only avoids the local optimum,but also has higher performance advantages than the reordered grouping genetic algorithm,the group genetic algorithm,the improved least load algorithm and the improved first fit decrease algorithm.…”
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1468
Modeling and Simulation of Real Estate Valuation Based on Genetic Neural Network Model
Published 2022-01-01“…The experimental results show that the optimized model converges in 56 iterations; in the application test, the research model found that in 90% of the test samples, the error between the predicted value and the actual measured value shall not exceed 10%. …”
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1469
A Survey of Results on the Limit -Bernstein Operator
Published 2013-01-01“…Its approximation properties, probabilistic interpretation, the behavior of iterates, and the impact on the smoothness of a function have already been examined. …”
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1470
Media Pembelajaran Calistung Hewan Berteknologi Augmented Reality untuk Menarik Minat Belajar Anak
Published 2021-03-01“…The development method used is iterative rapid prototyping. Based on media testing using fun testing produces an average total value of 85.6%, which means this learning media is able to increase children's interest in learning calistung. …”
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1471
Perancangan Gim Edukasi Anak Usia Dini untuk Meningkatkan Pemahaman Pengenalan Angka
Published 2024-08-01“…Metode pengembangan yang digunakan adalah Iterative. Setelah rancangan selesai, dilakukan One Group Pretest-Posttest yang menghasilkan nilai rata-rata pretest sebesar 41,67% dan nilai rata-rata posttest meningkat menjadi 75%, serta fun test menggunakan Smileyometer menunjukkan nilai 4,48 dari 5, menunjukkan bahwa anak-anak menikmati bermain gim tersebut. …”
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1472
Obstacle Avoidance for Ship Navigation Safety Combining Heuristic Search Algorithm and Improved ACO Algorithm
Published 2024-12-01“…The experimental results show that in simple environments, the hybrid algorithm reduces the path length by 3.8 and 5.5, and the number of iterations by 13.2 and 30.7 compared to Line-of-Sight and Particle Swarm Optimisation algorithms respectively. …”
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1473
Development and validation of a pragmatic measure of cocreation in research engagement: a study protocol
Published 2024-12-01“…A valid measure for evaluating the quality of the cocreation process can significantly promote inclusive research practices and outcomes.Methods and analysis The measure consists of two components: (1) an iterative group assessment to prioritise cocreation principles and identify specific activities for achieving those principles and (2) a survey assessing individual partner experience. …”
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1474
Short- to Medium-Term Weather Forecast Skill of the AI-Based Pangu-Weather Model Using Automatic Weather Stations in China
Published 2025-01-01“…The study examined Pangu’s forecast performance from spatial perspectives, evaluated the dispersion of forecast deviations, and analyzed its performance at different lead times and with various initial fields. The iteration precision of Pangu’s four forecast models with lead times of 1 h, 3 h, 6 h, and 24 h was also assessed. …”
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1475
PSO localization algorithm for WSN nodes based on modifying average hop distances
Published 2013-09-01“…Regarding the relatively big errors with running the DV-hop localization algorithm in a network topology scenario,with which nodes randomly distributes,a particle swarm optimization localization algorithm for WSN nodes based on modifying average hop distance was proposed.changing the structure of data packets sent by anchor nodes with broadcasting,weighting the average hop distance error of reference anchor nodes to modify the average hop distance,and using an improved particle swarm algorithm to optimize iteration process for localization,thus,WPDV-Hop localization algorithm improvements were carried out.The simulation results indicate that the localization accuracy and the stability of the WPDV-Hop localization algorithm are significantly improved compared with the original algorithm.…”
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1476
Adaptive Hierarchical Collocation Method for Solving Fractional Population Diffusion Model
Published 2023-01-01“…This function, an improvement over previous constructs, mitigates the need for iterative computation of parameters and boasts advantages like interpolation, symmetry, and compact support. …”
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1477
McEliece public key cryptosystem attack algorithm based on enumeration error vector
Published 2014-05-01“…The effect on probability of correct decryption by the numbers of error flipping bits and algorithm iteration was focused on. And the security of (1 024,524,101) Goppa-based M public key cryptosystem was analyzed. …”
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1478
Dynamics of substrate resource selection in network virtualization environment——an evolutionary game approach
Published 2012-11-01“…The substrate network path selection problem of virtual network was modeled as an evolutionary game.In the process of evolutionary game,virtual networks adjusted the strategies through the iterated game.The replicator dynamics were leveraged equation to analyze the dynamic variation of strategies selection and demonstrates that this dynamics equation is the admissible dynamic to the evolutionary game.The potential game theory was used to analyze the evolutionary process and demonstrates the evolutionary result will converge to the evolutionary equilibrium.At the evolutionary equilibrium,all the virtual networks could get the best selection strategies.Finally,an evolutionary algorithm based on replicator dynamics was proposed.The experiments simulate the process of virtual network selecting the substrate paths in different initial state and reach the evolutionary equilibrium.Simulation results are coincided with the theoretical analysis results.…”
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1479
Choosing the Optimal Spatial Domain Measure of Enhancement for Mammogram Images
Published 2014-01-01“…Most enhancement algorithms are iterative processes that require many parameters be selected. …”
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1480
Joint optimization of trajectory and resource allocation for UAV integrated radar and communication system
Published 2021-11-01“…For the flexible and efficient area detection and data transmission tasks, the joint optimization of time resource allocation, power resource allocation and the trajectory for UAV (unmanned aerial vehicle) trajectory for airborne IRCS (integrated radar and communication system) was studied in a TDM (time division multiplexing) manner, in order to maximize the total weighted capacity of the system’s radar detection link and communication transmission link.To solve the non-convex optimization problem, the BCD (block coordinate descent) and the SCP (successive convex programming) techniques were adopted to iteratively optimize the time resource allocation, power resource allocation and UAV trajectory.The simulation results demonstrate that the proposed method can obtain a convergent solution, and can effectively improve the capacity of the system.…”
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