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Scale effect for hydraulic model of a mixed flow nuclear main pump
Published 2025-01-01“…The model pumps (MPs) with varying scales are established based on the similarity conversion algorithm (SCA). Then, the influence of different scales on the hydraulic performance and internal flow field is investigated and compared. …”
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22
IRS-assisted D2D system resource allocation and RCG beamforming optimization in H-CRAN
Published 2024-07-01“…For transmit power optimization subproblem, successive convex approximation (SCA) was used to solve it. For IRS beamforming optimization subproblem, the beamforming vector constraint was transformed into a complex circular manifold and Riemannian conjugate gradient (RCG) algorithm was implemented to solve it. …”
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23
Refined photovoltaic parameters estimation via an improved Sinh Cosh Optimizer with trigonometric operators
Published 2025-02-01“…This study presents PV parameter estimation using the enhanced Sinh Cosh Optimizer (I_SCHO), incorporating trigonometric operators from the Sine Cosine Algorithm (SCA). This integration improves the algorithm’s ability to navigate complex search spaces, avoid local optima, and expedite convergence. …”
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24
Satellite Attitude Control System Simulator
Published 2008-01-01“…Future space missions will involve satellites with great autonomy and stringent pointing precision, requiring of the Attitude Control Systems (ACS) with better performance than before, which is function of the control algorithms implemented on board computers. The difficulties for developing experimental ACS test is to obtain zero gravity and torque free conditions similar to the SCA operate in space. …”
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25
Aerial reconfigurable intelligent surfaces-assisted full-duplex UAV secure communication
Published 2024-07-01“…An optimization problem was designed to maximize the minimum average achievable security rate by jointly optimizing user communication scheduling, transmission power, the interference power sent by UAV, their flight trajectories, and the phase shifts and trajectories of ARIS. An iterative algorithm based on alternating optimization (AO), semi-definite relaxation (SDR) techniques, and successive convex approximation (SCA) was proposed to obtain high-quality suboptimal solutions. …”
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26
Joint transmit filter and sparse array design with transmit subaperturing FDA‐MIMO radar
Published 2022-04-01“…However, the optimisation problem is non‐convex. A cycle iteration algorithm is proposed to obtain the optimal transmit filters and sparse array. …”
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27
Game-Theory-Based Multi-Objective Optimization for Enhancing Environmental and Social Life Cycle Assessment in Steel–Concrete Composite Bridges
Published 2025-01-01“…The optimization process considered four criteria simultaneously, using a discrete version of the SCA algorithm and a transfer function for discretization. …”
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28
Energy-Efficiency for IoT System With Cache-Enabled Fixed-Wing UAV Relay
Published 2020-01-01“…Therefore, this paper alternately optimizes trajectory in source subspace and destination subspace with the other fixed and comes up with an algorithm based on successive convex approximation (SCA) method and Dinkelbach method to obtain a local optimal solution. …”
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29
Energy-Efficient Aerial STAR-RIS-Aided Computing Offloading and Content Caching for Wireless Sensor Networks
Published 2025-01-01“…We propose a deep reinforcement learning (DRL)–successive convex approximation (SCA) combined algorithm to iteratively achieve near-optimal solutions with low complexity. …”
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30
Energy-Efficiency Maximization in Backscatter Communication-Based Non-Orthogonal Multiple Access System: Dinkelbach and Successive Convex Approximation Approaches
Published 2024-01-01“…The goal is to maximize energy efficiency (EE) through the optimization of the beamforming matrix and the reflection coefficient of the BackCom devices. Two algorithms, Dinkelbach based on penalty semidefinite relaxation (SDR) and successive convex approximation (SCA), are proposed as high-performance and low-complexity solutions, respectively. …”
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31
Enhancing unsupervised learning in medical image registration through scale-aware context aggregation
Published 2025-02-01“…We introduce ScaMorph, an unsupervised learning model for DIR that employs scale-aware context aggregation, integrating multiscale mixed convolution with lightweight multiscale context fusion. …”
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32
A Survey on Reconfigurable Intelligent Surface for Physical Layer Security of Next-Generation Wireless Communications
Published 2024-01-01“…The existing state-of-art approaches for PLS such as secret key generation (SKG), optimization algorithms, namely semidefinite relaxation-successive convex approximation (SDR-SCA) to optimize RIS coefficients, and optimal placement of RIS units are discussed for single-input single-output (SISO) case. …”
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