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661
Cluster-Based 3-D Channel Modeling for Massive MIMO in Subway Station Environment
Published 2018-01-01“…In this paper, a massive multiple-input multiple-output (MIMO) channel measurement campaign with 256-element virtual rectangular array at the base station was conducted. …”
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662
Analysis of inlet temperature, pressure, and channel design effect on cryogenic methane evaporation in minichannel PCHEs
Published 2025-09-01“…In this study, CFD simulations using the Volume of Fluid (VOF) method were employed to systematically investigate two-phase flow simulation in minichannel PCHEs. …”
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663
Study on the side friction resistance capacity of prefabricated pipe piles in coral reef strata
Published 2025-01-01“…In this study, a series of interfacial shear tests were carried out for coral sand and coral reef limestone (CRL) in the sea area near the Maldives islands and reefs, and the distribution law of the SFR of prefabricated pipe piles in coral sand was investigated by using a large-scale pile foundation model test apparatus. …”
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664
Numerical simulation of the transverse flow over spans of girder bridges
Published 2018-12-01“…The technique was preliminarily tested on the check problem for the flow of the rectangular crosssection beams. Calculations were carried out using the licensed ANSYS software.Research Results. …”
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665
Insights into cavitation enhancement: Numerical simulation and spectrum analysis of a novel dual-frequency octagonal ultrasonic reactor
Published 2025-01-01“…The effects of reactor shape, transducer position, and multi-frequency ultrasound interaction on the sound pressure distribution in the reactor were simulated, employing a linear wave equation that accounts for the inhomogeneous distribution of bubbles. …”
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666
Tensor-based approach to the co-prime planar array signal processing
Published 2020-08-01“…For the co-prime planar array (CPPA) consisting of two sparse uniform rectangular array (URA),a new processing method based on tensor algebra was proposed to enhance the degrees of freedom (DoF).By dividing each URA into some overlapping subarrays,the received signals of two URAs were expressed as two tensors.And then the cross-correlation between such two tensors was processed into a received signal tensor of the virtual array.Analysis show that by the new method,the CPPA with 2 <sup>2</sup>L -1 physical elements can be transformed into a virtual sparse non-uniform planar array with<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML"> <mfrac> <mrow> <msup> <mrow> <mo stretchy="false">(</mo><mi>L</mi><mo>+</mo><mn>1</mn><mo stretchy="false">)</mo></mrow> <mrow> <mtext> </mtext><mn>4</mn></mrow> </msup> </mrow> <mrow> <mn>16</mn></mrow> </mfrac> </math></inline-formula>elements.For the virtual array,the tensor decomposition-based approach for estimating the two-dimensional (2-D) direction of arrival (DoA) of the incident signal is also proposed,which means 2-D spectral peak searching is avoided.Compared with the co-prime planar signal processing methods reported in the literature,the proposed method can increase the DoF from L <sup>2</sup>to<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML"> <mfrac> <mrow> <msup> <mrow> <mo stretchy="false">(</mo><mi>L</mi><mo>+</mo><mn>1</mn><mo stretchy="false">)</mo></mrow> <mrow> <mtext> </mtext><mn>4</mn></mrow> </msup> </mrow> <mrow> <mn>16</mn></mrow> </mfrac> <mo>+</mo><mn>1</mn> </math></inline-formula>,and has the better performance of the 2-D DoA estimation and lower computational complexity.Simulation results demonstrate the efficiency of the proposed method.…”
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667
A Rare Case of Tumoral Calcium Pyrophosphate Dihydrate Crystal Deposition Disease of the Wrist Joint
Published 2015-01-01“…An excisional biopsy and a histological examination of the excised nodular lesions by hematoxylin and eosin (H&E) staining were performed, demonstrating numerous polarizable, rhabdoid, and rectangular crystals, surrounded by fibroblasts, macrophages, and foreign body-type giant cells, consistent with tumoral CPPDCD. …”
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668
Pest categorisation of the avocado sunblotch viroid
Published 2023-07-01“…Plants for planting, including seeds, and fresh avocado fruits were identified as the most relevant pathways for further entry of ASBVd into the EU. …”
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669
Flexural behaviour of pre-damaged RC beams retrofitted using CFRP laminates
Published 2025-01-01“…The experimental examination involved the casting and subsequent strengthening of six rectangular RC beams, via external bonding techniques utilizing both CFRP laminates and fabrics. …”
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670
Mathematical Modeling and Analysis of the Mechanical Properties of a Nonferromagnetic Panel Under the Action of a Quasi-Steady Electromagnetic Field
Published 2025-07-01“…A two-dimensional thermomechanics problem is formulated for the considered panel of a rectangular cross-section. The initial relations for finding the determinant functions, namely, the components of the quasi-static stress tensor, are given. …”
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671
FEATURES OF OUTFLOW OF INTRAOCULAR LIQUID AFTER AN EKSIMERLAZER SKLEREKTOMY (PILOT STUDY)
Published 2017-10-01“…In the experiment used a special computer program provided ablation of scleral tissue, the scleral bed forming a rectangular shape with a size 7,0x5,0 mm. the Depth of influence started from 100 microns to 600 microns in increments of 50 µn. …”
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672
Enhancing dexterity: Soft pneumatic actuation utilizing granular jamming for a human finger flexo-extension
Published 2025-01-01“…Three-chamber geometries – honeycomb, rectangular, and half-round – were evaluated to optimize curvature performance, utilizing Mold Star 15 Slow elastomer for actuator fabrication. …”
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673
Evaluation of Microwave Heating Uniformity for Ready-to-Eat Rice in Metalized Packaging Structure
Published 2024-12-01“…To analyze the uniformity changes inside RER, the effects of microwave reflection, refraction, and absorption by a metal aluminum film were studied through the thermodynamic properties. …”
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674
SIMULATION OF 2D FLOW AROUND OF AIRFOILS AT LOW-SPEED WIND TUNNEL WITH OPEN JET TEST-SECTION
Published 2019-02-01“…The airfoil section in the layout of a rectangular wing is mounted horizontally between flat panels with minimum gaps to ensure 2D flow conditions. …”
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675
Numerical and experimental analysis of edge wave defect control during TA2 circular tube cold roll forming
Published 2024-11-01“…Orthogonal experiments were performed to assess the influence of frame spacing, forming speed, roll gap, and downhill amount, on edge wave defects. …”
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676
The Calculation and Optimization Methodology of Repairable Elements of a UAV Structure
Published 2025-05-01“…In most scientific studies on this problem, significant attention is devoted to the investigation of rectangular patches used for reinforcing plates that have defects such as cracks and damage. …”
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677
Shape anisotropy-induced local incoherent magnetization: Implications for magnetic sensor tuning
Published 2025-06-01“…The sensor signals were calculated and measured for various width-to-length ratios of the bridge elements and external magnetic field strengths. …”
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678
Physical-Subjective Typology of Vernacular Housing in Western Kurdistan Based on the Procedural Typological Framework (the Muratorian School)
Published 2019-06-01“…Then, 3D models were mapped and analyzed in the typology process. …”
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679
Evaluation of mechanical properties and color stability of 3D-printed denture base materials following two surface treatments
Published 2025-04-01“…Materials and methods Rectangular test specimens (64 × 10 × 3.3 ± 0.2 mm) were fabricated from a conventional heat-cured denture base material (Probase HC, n = 20) and four 3D-printed denture base materials (Nextdent; ND, Formlabs; FL, Senertek; ST, Powerresin; PR, n = 40 per group), resulting in a total sample size of N = 180. …”
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680
Composición florística de dos bosques (Tierra firme y varzea) en la región de Araracuara, Amazonia Colombiana
Published 1997-11-01“…Two rain forests of the Araracuara region (Colombian Amazon) are described and compared in terms of vascular terrestrial plant composition. Two 1.8 ha rectangular plots, located in upland (tierra firme) and seasonally flooded (várzea) sites, were sampled for individuals taller than 0.5 m. …”
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