1,721,038 research outputs found
Un Oriente più Vicino: TURCHIA, Mostra - itinerario per immagini
No full textDVD interattivo pubblicato dalla Provincia Autonoma di Bolzan
ALBANIA E ADRIATICO MERIDIONALE. Studi per la conservazione del patrimonio culturale (2006-2008)
Full text linkCatalogo della Mostra omonim
An Application-Oriented Design Procedure for Cascaded-Block Extracted-Pole Filters
No full textIn this article, a novel design approach for a general configuration of extracted-pole filters is presented. The proposed solution is based on the synthesis of a prototype network, followed by the evaluation of universal coefficients. The prototype is then denormalized into a form suitable for the implementation that is characterized by parameters recoverable from the physical structure that implements the filter. The main advantage of the proposed approach is that the design of the overall filter structure is broken into the design of elementary blocks, whose equivalent parameters are available after the synthesis (their value can be controlled exploiting the degrees of freedom offered by the use of the universal coefficients). Several design examples in different technologies are presented to illustrate the generality and the effectiveness of the proposed approach
Cooking Microwave Filters: Is Synthesis Still Helpful in Microwave Filter Design?
No full textIn "Recipe for Cooking Microwave Filters," we show the classic recipe for "cooking" with narrow-or moderate-bandwidth microwave filters. While the result of this recipe is generally effective [1] (the "cake" is only rarely not edible), the tendency of some "cooks" (often young microwave engineers) is to jump to the last two steps as quickly as possible. In fact, they consider the first two steps to be less important and definitely not necessary to obtain a filtering structure that satisfies the requirements. This approach is partially justified by the increasingly shorter times to market that the final product-the filter-requires in a business such as global telecommunications, where competition has become a fight to the death
A New Resonant Coupling Structure for Inline Waveguide Filters with Transmission Zeros
No full textIn this work a novel resonant coupling structure in rectangular waveguide is introduced. The proposed structure allows the introduction of transmission zeros in the response of inline filters. The main advantage with respect to the resonant couplings usually adopted (i.e., resonant posts) is that the new structure allows the placing of transmission zeros very close to the passband. Moreover, it does not require any extra space as instead does the stopband singlet recently introduced for the same purpose. An equivalent circuit of the novel coupling structure is proposed, suitable for the use in the synthesis of filters with frequency-dependent couplings. Dimensioning charts are then introduced, to make it easy the initial assignment of the physical dimensions of the structure so that the extracted equivalent parameters have the assigned values. Finally, an example of use of the novel coupling structure in a 6-2 waveguide filter in Ka band is presented
Il monastero bizantino e la chiesa di San Nicola a Mesopotam: un caso a sé.
Full text linkPresentazione di un monumento bizantino di grande rilevanza, pressoché ignoto alla critica del XIII sec., ipotesi di datazione e patrocinio
Il retaggio ottomano della regione di Delvina: ambiente e monumenti
No full textAnalisi e descrizione di inedite emergenze monumentali d'età ottomana nella regione di Delvina, Albania del sud
Date and Patron(s) of the Floor Mosaic of the Great Palace of the Byzantine Emperors: A New Approach
No full textpubblicazione disponibile sul web all'indirizzo http://www.scriptaweb.it/admin.m
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