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Name
Unitn-eprints Research
Type
Publication Repository
Items
1781 Publications
Compatibility
OpenAIRE Basic (DRIVER OA)
OAI-PMH
http://eprints.biblio.unitn.it/cgi/oai2
More information
Detailed data provider information (OpenDOAR)

 

  • Sidelobe Reduction through Element Phase Control in Uniform Sub-arrayed Array Antennas

    When dealing with the synthesis sub-arrayed array antennas, the phase control, necessary for beam steering purposes, can be also exploited to reduce the undesired secondary lobes caused by the periodic spatial distribution of the amplitude excitations on the aperture when contiguous and identical subarrays are used. In order to determine the phase values of the array elements for a fixed sub-array amplitude weighting, the iterative projection method is adopted. Some representative results are...

    Computationally-Effective Optimal Excitation Matching for the Synthesis of Large Monopulse Arrays

    Antenna arrays able to generate two different patterns are widely used in tracking radar systems [1]. Optimal (in the Dolph�]Chebyshev sense) sum [2] and difference patterns [3] can be generated by using two independent feed networks. Unfortunately, such a situation generally turns out to be impracticable because of its costs, the occupied physical space, the circuit complexity, and electromagnetic interferences. Thus, starting from the optimal sum pattern a sub�]optimal solution for the diff...

    On the controllability of the semilinear heat equation with hysteresis

    We study the null controllability problem for a semilinear parabolic equation, with hysteresis entering in the semilinearity. Under suitable hypotheses, we prove the controllability result and explicitly treat the cases where the hysteresis relationship is given by a Play or a Preisach operator.

    La tutela delle indicazioni geografiche nel settore vitivinicolo: un'analisi comparata

    Il paper traccia, in un quadro sistematico, l’evoluzione e la complessità della disciplina delle indicazioni geografiche del settore vitivinicolo, che intreccia l’impianto generale di convenzioni e accordi internazionali, di regolamenti e direttive europee con un livello più vicino e aderente alle singole realtà europee attraverso specifiche leggi nazionali e relativi disciplinari di produzione. Il primo capitolo del paper ricostruisce l’evoluzione storica della relazione uomo-territorio ...

    Courage: die starke Frau der deutschen Literatur

    Eine außergewöhnliche Frauengestalt der deutschen Literatur, die 1670 von Grimmelshausen erfunden, 1941 von Brecht und 1979 von Grass variiert wurde, ist Objekt dieser Studie. Analysiert wird, wie Grimmelshausen durch das unstete Leben einer Frau den 30jährigen Krieg zum Objekt seiner Kritik macht; ferner, wie diese Kritik am Krieg durch Brechts Maternisierung der Courage im epischen Theater eine Veränderung erfährt und schließlich wie in Grass' Erzählung Das Treffen in Telgte der Blick auf d...
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