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Research on Beampattern Synthesis of Conformal Array Based on Space-Variability Suppression
Published 2024-11-01“…In order to obtain a stable beampattern, the convex optimization method is used to solve the weighted value of the amplitude and phase of the elements under the condition of satisfying the set beam gain threshold so that the optimized main lobes of the beams with different directions approach the main lobe of the reference beam. …”
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Amplitude and Phase Calibration with the Aid of Beacons in Microwave Imaging Radiometry by Aperture Synthesis: Algebraic Aspects and Algorithmic Implications
Published 2025-03-01“…This problem is overcome with the aid of a non-linear optimization algorithm for iteratively and smoothly unwrapping these phases. …”
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Multi-Channel Radio-Over-Fiber Communication Systems Through Modulation Instability Phenomenon
Published 2024-01-01“…This paper explores novel applications of RoF systems in enhancing phased array antenna (PAA) performance for multi-channel wireless communication applications through the modulation instability (MI) phenomenon. …”
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Phase Estimation Using an Optimization Algorithm to Improve Ray-Based Blind Deconvolution Performance
Published 2025-04-01“…This paper proposes a method to improve RBD performance by estimating the phase of the source waveform using an optimization algorithm. …”
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Denoising Algorithm for High-Resolution and Large-Range Phase-Sensitive SPR Imaging Based on PFA
Published 2025-07-01“…A key research objective is to achieve higher measurement resolution of refractive index under optimal dynamic range conditions. We present an enhanced SPR phase imaging system combining a quad-polarization filter array for phase differential detection with a novel polarization pair, block matching, and 4D filtering (PPBM4D) algorithm to extend the dynamic range and enhance resolution. …”
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Tolerance Analysis of Antenna Array Pattern and Array Synthesis in the Presence of Excitation Errors
Published 2017-01-01“…Accordingly, the worst admissible performance of an array can be evaluated, which may provide theoretical reference for optimal antenna array design. …”
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Optimal Adjacent Output Phase Difference Assignments in Generalized One-Dimensional Five-Beam Switching Matrices
Published 2025-01-01“…The optimal assignment has the smallest absolute sum of phase differences, while the worst assignment has the largest value. …”
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Enrichment of Trace Selenium in Water Based on Metal−Organic Framework Materials and Reversed−Phase Ultra−High−Performance Liquid Chromatography−Diode Array Determination
Published 2025-03-01“…A method for the determination of trace selenium in water enriched by metal–organic−framework material (MIL−125−NH<sub>2</sub>) and reversed−phase ultra−high−performance liquid chromatography−diode array detection (UPLC−DAD) was established. …”
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Failure behavior of polymer microelectrode arrays encapsulated with conventional ALD and 3D-ALI barriers
Published 2025-07-01Get full text
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Computational Adaptive Optics for HAR Hybrid Trench Array Topography Measurement by Utilizing Coherence Scanning Interferometry
Published 2025-06-01“…Therefore, a multi-channel aberration correction scheme utilizing the virtual phase filter based on isoplanatic region segmentation is established for hybrid trench array samples. …”
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House Swallow Optimizer: A New Meta-Heuristic Algorithm and Its Application for DOA Estimation of Broadband Signal in Vector Hydrophone Array
Published 2025-01-01“…In order to verify the engineering application potential of the optimization algorithm proposed in this paper, aiming at the problems of large estimation error, high computational complexity and low accuracy in the DOA estimation of broadband signal of vector hydrophone array, the HSO algorithm is applied to the ML algorithm, and the DOA estimation of broadband signal is successfully carried out. …”
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A Wideband Circularly Polarized Antenna Array Using Irregularly Shaped Hexagonal Slot Optimized by Iterative Taguchi’s Method
Published 2025-01-01“…Detailed CP antenna design approaches, optimization settings, CP wave mechanisms, and the element’s and antenna array’s results, are discussed. …”
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