Results 61 to 70 of about 20,529 (185)
When optimizing the directivity and energy characteristics of the antennas with flat reflectors and the leaky -wave antennas, high-speed computational algorithms are required for a reliable analysis of the diffraction of electromagnetic waves on a conducting screen, accounting for the inhomogeneities with the dimensions commensurate with the wavelength.
Ostankov, Aleksandr +4 more
openaire +3 more sources
Установлено, что частотная зависимость модуля коэффициента отражения электромагнитной волны от поверхности экрана при наклонном падении подобна той, что наблюдается при нормальном падении.
Грибовский, А.В.
core +1 more source
Mechanical bar screens serve as the initial treatment stage used to catch insoluble and coarse debris from wastewater flow. They are essential equipment that ensures the protection and efficient operation of downstream facilities.
Loubna En-Nabety, El Mostapha Boudi
doaj +1 more source
H-plane radiation patterns of a dipole antenna mounted above a finite rectangular ground screen
A simple, accurate method is presented for calculating the H-plane radiation pattern of a dipole antenna mounted parallel to a finite rectangular ground screen.
Van Koughnett, A. L., Wong, J. Y.
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Investigation of Sand Trap and Bar Screen Mechanisms on Urban Drains (Case Study: Shahjalal Upashahar, Sylhet, Bangladesh) [PDF]
Improper maintenance, inadequate drainage system design, and increasing non-porous surfaces due to urbanization result in waterlogging in urban areas. Shahjalal Upashahar is a prominent urban area in Sylhet city which faces waterlogging conditions due to
Ashutus Singha +3 more
doaj +1 more source
This article aims to study Newtonian fluid flow modeling and simulation through a rectangular channel embedded in a semicircular cylinder with the range of Reynolds number from 100 to 1500.
Ilyas Khan +6 more
doaj +1 more source
Mahogany Chippendale Fire Screen
FurnishingsMahogany fire screen, rectangular screen with green/cream woven textile insert, floral motif inside rectangular cartouche on Chinese fretwork patterned ground; on turned pole with tripod base, on cabriole legs with snake feet.
core
An anomalous transmission mode and a trapped-mode are considered for scattering of a three-dimensional Gaussian wave beam on a two-dimensional two-element periodic semi-transparent array of rectangular wave guides segments.
A. V. Gribovsky, O. A. Yeliseyev
doaj +1 more source
Scattered acoustic field above a grating of parallel rectangular cavities
International audienceThe aim of this research project was to predict the sound pressure above a wall facing composed of N parallel rectangular cavities.
Khanfir, Adel +4 more
core +1 more source
International audienceA rigorous full wave technique based on the transverse wave concept iterative procedure (WCIP) is used to design and model a microwave active Screen.
Gharbi, A. +4 more
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