Results 11 to 20 of about 184,389 (296)
Cylindrical Tightly Coupled Dipole Array Antenna [PDF]
Journal of the Korean Institute of Electromagnetic Engineering and Science, 2019 A cylindrical tightly coupled dipole array antenna (C-TCDA) based on Munk’s planar TCDA theory, the elements of which are placed on the surface of a cylinder, is introduced and analyzed in this study.
Hakjune Lee, Minyoung Yoon, Sangwook Nam
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A hybrid antenna array design for 3-d direction of arrival estimation. [PDF]
PLoS ONE, 2015 A 3-D beam scanning antenna array design is proposed that gives a whole 3-D spherical coverage and also suitable for various radar and body-worn devices in the Body Area Networks applications.
Najam-Us Saqib, Imdad Khan
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Evaluating Spatial Resolution and Channel Capacity of Sparse Cylindrical Arrays for Massive MIMO
IEEE Access, 2017 How to design antenna arrays plays an important role in wireless communications, especially when there are hundreds of antennas. In massive multiple-input and multiple-output (MIMO), if the number of antennas and RF chains are increasing, the channel ...
Na Wu, Fangqi Zhu, Qilian Liang
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Journal of Mechanical Engineering Science and Technology, 2023 This research aims to develop a mathematical method for expressing the Laplace operator in cylindrical coordinates and applying it to solve heat conduction equations in various scenarios.
Lulut Alfaris +3 more
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Interferometer-Type Structures for Guided Atoms [PDF]
, 2002 We experimentally demonstrate interferometer-type guiding structures for neutral atoms based on dipole potentials created by micro-fabricated optical systems.
A.I. Sidorov +9 more
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Stress Wave Anisotropy in Centered Square Highly Nonlinear Granular Systems [PDF]
, 2012 Highly ordered, close packed granular systems present a nonlinear dynamic behavior stemming from the Hertzian contact interaction between particles. We investigated the propagation of elastic stress waves in an uncompressed, centered square array of ...
Daraio, C., Leonard, A.
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Theory of Chronoamperometry at Cylindrical Microelectrodes and Their Arrays
The Journal of Physical Chemistry C, 2008 Potential step chronoamperometry at cylindrical electrodes is modeled using the finite difference method in a two-dimensional (2D) simulation space. Trends are discussed in terms of the cylinder height-to-radius ratio Ze for top-only, side-only, and fully conducting cylinders.
Dickinson, E, Streeter, I, Compton, R
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A Low Complexity 2D Pattern Synthesis Algorithm for Cylindrical Array
International Journal of Antennas and Propagation, 2013 This paper proposes a 2D pattern synthesis algorithm for cylindrical array. According to the geometric characteristic of cylinder, we can regard a cylindrical array as an equivalent linear array whose elements are identical circular subarrays. Therefore,
Chao Liu, Zhizhong Ding, Xiaoping Liu
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Discrete Cylindrical Vector Beam Generation from an Array of Optical Fibers [PDF]
, 2009 A novel method is presented for the beam shaping of far field intensity distributions of coherently combined fiber arrays. The fibers are arranged uniformly on the perimeter of a circle, and the linearly polarized beams of equal shape are superimposed ...
Armstrong +34 more
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Terahertz scattering by subwavelength cylindrical arrays
Optics Express, 2011 We demonstrate the use of a full-wave electromagnetic field simulator to verify terahertz (THz) transmission-mode spectroscopic measurements of periodic arrays containing subwavelength cylindrical scatterers. Many existing THz scattering studies utilize analytical solutions, which were developed for a single scatterer.
Png, G. +4 more
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