Searched for: author:"Ettorre, M."
(1 - 13 of 13)
document
Iliopoulos, I. (author), di Meo, S. (author), Pasian, M. (author), Zhadobov, M. (author), Pouliguen, P. (author), Potier, P. (author), Perregrini, L. (author), Sauleau, R. (author), Ettorre, M. (author)
Objective: The potentialities of improving the penetration of millimeter waves for breast cancer imaging are here explored. Methods: A field focusing technique based on a convex optimization method is proposed, capable of increasing the field level inside a breast-emulating stratification. Results: The theoretical results are numerically...
article 2021
document
Neto, A. (author), Ettorre, M. (author), Gerini, G. (author), de Maagt, P. (author)
The use of dielectric super-layers for shaping the radiation pattern of focal plane feeds of a multibeam reflector system is discussed. Using the super-layers, it is possible to reduce the spillover from the reflectors without increasing the dimension of each aperture. The effect has been demonstrated using a realistic array configuration. The...
article 2012
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Neto, A. (author), Gerini, G. (author), Llombart, N. (author), Ettorre, M. (author), de Maagt, P. (author)
Abstract—This paper discusses the use of dielectric superlayers to shape the radiation pattern of focal plane feeds of a multi-beam reflector system. The shaping of the pattern is obtained by exciting a pair (TE/TM) of leaky waves that radiate incrementally as they propagate between the ground plane and the super-layer. Using the super-layers,...
conference paper 2011
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Pasian, M. (author), Monni, S. (author), Neto, A. (author), Ettorre, M. (author), Gerini, G. (author), TNO Defensie en Veiligheid (author)
This paper deals with the use of frequency selective surfaces (FSS) to increase the efficiency bandwidth product in wideband antenna arrays, whose efficiency is limited by the front-to-back ratio. If the backing reflector for the antenna is realized through a single metal plane solution, its location will be suitable only on a relatively limited...
article 2010
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Neto, A. (author), Ettorre, M. (author), Gerini, G. (author), de Maagt, P.J. (author), TNO Defensie en Veiligheid (author)
This work is an extension of a series of works on the use of dielectric super-layers to shape the radiation pattern of each feed composing a focal plane imaging array. Using dielectric super-layers, the spill over from the reflectors are reduced without increasing the dimensions of each aperture. These effects are achieved when the inter-element...
conference paper 2008
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Ettorre, M. (author), Neto, A. (author), Gerini, G. (author), Maci, S. (author), TNO Defensie en Veiligheid (author)
Planar leaky-wave antennas (LWAs) have received much attention in the recent years [1] for applications in the millimeter-wave ranges. In particular the compatibility with printed circuit board technology (PCB) and the low profile are the strongest features of these antennas. Mono dimensional planar leaky-wave antennas, as in [2], are...
conference paper 2008
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Pasian, M. (author), Neto, A. (author), Monni, S. (author), Ettorre, M. (author), Gerini, G. (author), TNO Defensie en Veiligheid (author)
This paper deals with the use of Frequency Selective Surfaces (FSS) to increase the Efficiency × Bandwidth product in Ultra-Wide Band (UWB) antenna arrays whose efficiency is limited by the front-to-back ratio. If the backing reflector is realized in one metal plane solution its location will be suitable as antenna ground plane only on a limited...
conference paper 2008
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Maci, S. (author), Ettorre, M. (author), Neto, A. (author), Gerini, G. (author), TNO Defensie en Veiligheid (author)
A leaky-wave slot array antenna fed by a dual offset Gregorian reflector system is realized by pins in a parallel plate waveguide. The radiating part of the antenna is composed by parallel slots etched on one side of the same parallel plate waveguide. The dual offset Gregorian reflector system is fed by an arrangement constituted by two vias and...
article 2008
document
TNO Defensie en Veiligheid (author), Neto, A. (author), Ettorre, M. (author), Gerini, G. (author), de Maagt, P.J. (author)
This work is the fourth of a series on the use of super-layers to shape the radiation pattern of each of the feeds composing a focal plane imaging array. Using dielectric or Frequency Selective Surface type of super-layers the spill over from the reflectors is reduced without increasing the dimensions of each aperture. This effect is achieved...
conference paper 2008
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TNO Defensie en Veiligheid (author), Ettorre, M. (author), Neto, A. (author), Gerini, G. (author), Maci, S. (author)
This work proposes a leaky-wave slot array antenna fed by a dual offset Gregorian reflector system realized by pins in a parallel plate waveguide. The radiating part of the antenna is composed by parallel slots etched on one side of the same parallel plate waveguide. The dual offset Gregorian reflector system is fed by an arrangement constituted...
conference paper 2008
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Albani, M. (author), Balling, P. (author), Ettorre, M. (author), Gerini, G. (author), Maci, S. (author), Pontoppidan, K. (author), Sipus, Z. (author), Sjöberg, D. (author), Vecchi, G. (author), Vipiana, F. (author), TNO Defensie en Veiligheid (author)
The topic of this paper is the work carried out in Work Package 2.3-2 of the EU network ACE. This work package is concerned with the modelling of the surfaces of modern reflector antennas. In particular the problems associated with homogenisation of periodic structures are described together with an application example. An accurate MoM solutions...
conference paper 2007
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Ettorre, M. (author), Bruni, S. (author), Gerini, G. (author), Neto, A. (author), Llombart, N. (author), Maci, S. (author), TNO Defensie en Veiligheid (author)
This work proposes a new topology of antenna based on the use of Planar Circular Symmetric EBG with different periodicities. These periodicities are used to impose different propagation velocities of the dominant surface waves on different zones of the same dielectric substrate. The control of the dispersion characteristics guides the design...
conference paper 2007
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Ettorre, M. (author), Maci, S. (author), Nannetti, M. (author), Neto, A. (author), Sabbadini, M. (author), TNO Defensie en Veiligheid (author)
conference paper 2006
Searched for: author:"Ettorre, M."
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