Search results for "instruments"
showing 10 items of 237 documents
Gli specchi argentati della Collezione Storica degli Strumenti di Fisica dell’Università di Palermo
2021
Nell'articolo presenteremo tre strumenti scientifici di particolare interesse storico-didattico appartenenti alla Collezione Storica degli Strumenti di Fisica dell'Università di Palermo: uno specchio convesso risalente molto probabilmente all'inizio del XIX secolo e una coppia di specchi ustori risalenti molto probabilmente alla metà del XIX secolo. Dopo un'introduzione sullo sviluppo storico degli specchi e il loro principio di funzionamento, descriveremo le caratteristiche fisiche degli strumenti della collezione e gli interventi effettuati. In the paper we will describe three instruments of particular historical and didactic interest belonging to the Historical Collection of Physics Inst…
ANCORA SULLA REVISIONE NEL CASO CONTRADA: LE OSSERVAZIONI DELLA PROCURA GENERALE PRESSO LA CORTE DI CASSAZIONE
2017
Osservazioni sugli strumenti atti a dare esecuzione alle censure della Corte europea, alla Luce delle argomentazioni della Procura generale presso la Corte di Cassazione.
L’importanza dei prerequisiti e dello screening precoce nella scuola dell’infanzia
2016
Questo contributo si propone di sottolineare l’importanza di alcune competenze cognitive, detti prerequisiti, che sono implicate nell’acquisizione delle abilità di lettura e scrittura come ad esempio: la conoscenza dell’alfabeto; la consapevolezza fonologica; la denominazione rapida automatica (RAN); la memoria fonologica e la processazione visiva. Numerose ricerche, anche internazionali, mostrano l’importanza dell’esercizio di tali abilità all’interno della scuola dell’infanzia anche ai fini della prevenzione dello sviluppo di difficoltà di apprendimento e/o di veri e propri disturbi nella successiva carriera accademica del bambino. Inoltre, la realizzazione di interventi didattici mirati …
Mūzikas instrumentu veikala interjera dizaina izveides specifika
2016
Diplomdarbā “Mūzikas instrumentu veikala interjera dizaina izveides specifika” autors izpētīja mūzikas instrumentu veikalu interjeru Latvijā. Galvenā uzmanība tika vērsta uz to, kāds ir to funkcionālais iekārtojums un kā vajadzētu iekārtot veikala telpas, lai pilnvērtīgi spētu nodrošināt pareizu instrumentu eksponēšanu un testēšanu. Tēmas izvēlē diplomdarba autoru ietekmēja esošo mazumtirdzniecības mūzikas veikalu Latvijā telpu iekārtojums, preču izvietojums un kopējais telpu dizaina modelis. Ar šo pētījumu diplomdarba autors vēlējās izzināt, kādi ir galvenie kritēriji izvēloties un realizējot noteiktu dizaina konceptu iekārtojot konkrētu mūzikas instrumentu veikalu. Diplomdarba autors uzsk…
Creating Digital Musical Instruments With and for Children: Including Vocal Sketching as a Method for Engaging in Codesign
2020
International audience; A class of master of science students and a group of preschool children codesigned new digital musical instruments based on workshop interviews involving vocal sketching, a method for imitating and portraying sounds. The aim of the study was to explore how the students and children would approach vocal sketching as one of several design methods. The children described musical instruments to the students using vocal sketching and other modalities (verbal, drawing, gestures). The resulting instruments built by the students were showcased at the Swedish Museum of Performing Arts in Stockholm. Although all the children tried vocal sketching during preparatory tasks, few …
Influencia de las escuelas flautísticas en la praxis docente del profesorado superior en España
2020
Las escuelas nacionales de flauta travesera han jugado un papel importante en la generalización de las técnicas y en la creación de métodos que han conseguido ser atemporales y de probada solvencia. El objetivo radica en conocer la influencia e influjos que las diferentes escuelas puedan tener sobre el alumnado, y determinar si realmente hoy en día se pueden acotar dichas doctrinas, producto de un momento determinado y en unas circunstancias de expansión del instrumento. Este artículo se centra en datos obtenidos acerca de la influencia que estas escuelas de flauta ejercen sobre el profesorado superior de flauta. Se observa que todos los docentes aplican métodos de autores de distinta escue…
Shaded-Mask Filtering for Extended Depth-of-Field Microscopy
2013
This paper proposes a new spatial filtering approach for increasing the depth-of-field (DOF) of imaging systems, which is very useful for obtaining sharp images for a wide range of axial positions of the object. Many different techniques have been reported to increase the depth of field. However the main advantage in our method is its simplicity, since we propose the use of purely absorbing beam-shaping elements, which allows a high focal depth with a minimum modification of the optical architecture. In the filter design, we have used the analogy between the axial behavior of a system with spherical aberration and the transverse impulse response of a 1D defocused system. This allowed us the…
Calibration of optimal execution of financial transactions in the presence of transient market impact
2012
Trading large volumes of a financial asset in order driven markets requires the use of algorithmic execution dividing the volume in many transactions in order to minimize costs due to market impact. A proper design of an optimal execution strategy strongly depends on a careful modeling of market impact, i.e. how the price reacts to trades. In this paper we consider a recently introduced market impact model (Bouchaud et al., 2004), which has the property of describing both the volume and the temporal dependence of price change due to trading. We show how this model can be used to describe price impact also in aggregated trade time or in real time. We then solve analytically and calibrate wit…
The adaptive nature of liquidity taking in limit order books
2014
In financial markets, the order flow, defined as the process assuming value one for buy market orders and minus one for sell market orders, displays a very slowly decaying autocorrelation function. Since orders impact prices, reconciling the persistence of the order flow with market efficiency is a subtle issue. A possible solution is provided by asymmetric liquidity, which states that the impact of a buy or sell order is inversely related to the probability of its occurrence. We empirically find that when the order flow predictability increases in one direction, the liquidity in the opposite side decreases, but the probability that a trade moves the price decreases significantly. While the…
Validación de una escala reducida para valorar competencias básicas de aprendizaje del alumnado universitario
2021
[ES] La relación entre evaluación y desarrollo de las competencias básicas para el aprendizaje del alumnado universitario es indiscutible, pues la evaluación juega un papel relevante al determinar lo que aprende el alumnado y la forma en la que realiza sus tareas académicas. Con el objetivo de contribuir en el avance de la metodología evaluativa para la valoración de dichas competencias, este estudio pretende validar una escala reducida la cual ha sido adaptada del Autoinforme de desarrollo de las competencias básicas de los estudiantes –COMPES-. Dicha escala busca medir, de forma concisa y breve, el nivel competencial percibido por parte del alumnado respecto a un conjunto de competencias …