Ultra-Wideband Antenna Arrays: Systems With Transfer Function and Impulse Response

Duroc, Yvan

doi:10.2528/pierm13121903

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Pattern Multiplication: Array Factor1

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2014

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“…The total array antenna pattern is got by multiplying the array factor (A · F ) by the element pattern. The general form of the A · F for a linear array with uniform elements spacing is given by [21]: factor of N elements can be written as [22]:…”

Section: Pattern Multiplication: Array Factormentioning

confidence: 99%

Electromagnetic Modeling of Coupled Carbon Nanotube Dipole Antennas Based on Integral Equations System

Mourad¹,

Aguili²

2014

PIER M

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Abstract-Fundamental properties of carbon nanotube antenna are firstly investigated to predict the antenna bundle response. The carbon nanotube effects are mathematically introduced via a quantum mechanical conductivity. This paper presents a new formulation based on integral equations system to study the coupled carbon nanotube antennas. The proposed integral equations system is numerically solved by the moments method. Each dipole antenna is excited at its center by a gap voltage source. The aim of the developed method is to investigate the antennas interaction effects for any coupling distance. The obtained input impedances, the current distributions and the antenna radiation patterns are in agreement with those obtained by the effective conductivity method or by the array factor method, according to the coupling distances.

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Section: Pattern Multiplication: Array Factormentioning

confidence: 99%