Search results for "CEI"

showing 10 items of 1294 documents

Uncertainty estimation of a complex water quality model: GLUE vs Bayesian approach applied with Box – Cox transformation

2010

In urban drainage modelling, uncertainty analysis is of undoubted necessity; however, several methodological aspects need to be clarified and deserve to be investigated in the future, especially in water quality modelling. The use of the Bayesian approach to uncertainty analysis has been stimulated by its rigorous theoretical framework and by the possibility of evaluating the impact of new knowledge on the modelling estimates. Nevertheless, the Bayesian approach relies on some restrictive hypotheses that are not present in less formal methods like GLUE. One crucial point in the application of Bayesian methods is the formulation of a likelihood function that is conditioned by the hypotheses …

Settore ICAR/03 - Ingegneria Sanitaria-AmbientaleBayesian inference Environmental modelling GLUE Integrated urban drainage systems Receiving water body Wastewater treatment plant.Settore ICAR/02 - Costruzioni Idrauliche E Marittime E Idrologia
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Uncertainty propagation throughout an integrated water-quality model

2010

In integrated urban drainage water quality models, due to the fact that integrated approaches are basically a cascade of sub-models (simulating sewer system, wastewater treatment plant and receiving water body), uncertainty produced in one sub-model propagates to the following ones depending on the model structure, the estimation of parameters and the availability and uncertainty of measurements in the different parts of the system. Uncertainty basically propagates throughout a chain of models in which simulation output from upstream models is transferred to the downstream ones as input. The overall uncertainty can differ from the simple sum of uncertainties generated in each sub-model, dep…

Settore ICAR/03 - Ingegneria Sanitaria-AmbientaleEnvironmental modelling Integrated urban drainage systems Uncertainty analysis Receiving water body Wastewater treatment plant
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Introduzione

2015

Il testo introduce alcuni esiti di un'attività di studio coordinata da Andrea Sciascia e dal gruppo di lavoro composto da Gaetano Cuccia, Emanuele Palazzotto, Adriana Sarro e Luciana Macaluso nell'ambito del Programma di Ricerca dal titolo "L'architettura delle chiese in Sicilia dopo il Concilio Vaticano II (FFR 2012). Dalle riflessioni emerse sulle questioni tematiche iniziali, il gruppo di lavoro ha progressivamente maturato l’idea, di comprendere, nel campo di azione della ricerca, le influenze e le contaminazioni riscontrabili fra le architetture cultuali dell’area del Mediterraneo, estendendo il lavoro di ricerca ad altri studiosi (Valentina Acierno, Mauro Bertagnin, Tania Culotta, Giu…

Settore ICAR/14 - Composizione Architettonica E Urbanaliturgical­ architecture Mediterranean Pasquale Culotta the Second Vatican Council CEIArchitettura cultuale Mediterraneo Pasquale Culotta il Concilio Vaticano II CEI
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Thermo-hygrometric comfort in hospital rooms conditioned by means of a primary air system and ceiling radiant panels

2008

In this work the first results of experimental research are described, which began in the 2006 summer season and is still underway, on the performance of a primary air system integrated with radiant ceiling panels that runs in the hospital rooms in the maternity ward of the Maggiore Hospital of Bologna. The choice of this kind of environment is based the fact that there is more and more attention toward literature on comfort standards that must be guaranteed in the hospital environment, due to the presence of typically weak users, both from the clinical and psychological point of view. The performance of the air conditioning system is taken into account in relation to the conditions of comf…

Settore ING-IND/11 - Fisica Tecnica AmbientalePMVair conditioning; hospitalair conditioningCeiling radiant panelshospitalThermo-Hygrometrc ComfortHospital room
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An energy analysis of IEEE 802.15.6 scheduled access modes

2010

Body Area Networks (BANs) are an emerging area of wireless personal communications. The IEEE 802.15.6 working group aims to develop a communications standard optimised for low power devices operating on, in or around the human body. IEEE 802.15.6 specifically targets low power medical application areas. The IEEE 802.15.6 draft defines two main channel access modes; contention based and contention free. This paper examines the energy lifetime performance of contention free access and in particular of periodic scheduled allocations. This paper presents an overview of the IEEE 802.15.6 and an analytical model for estimating the device lifetime. The analysis determines the maximum device lifeti…

Settore ING-INF/03 - TelecomunicazioniComputer scienceInter-Access Point Protocolbusiness.industryPhysical layerbiomedical communication body area networks personal area networksIEEE 802.15.6 scheduled access modes body area network channel access modes communications standard device lifetime estimation energy analysis energy lifetime performance human body low power devices low power medical application areas periodic scheduled allocation wireless personal communicationTelecommunications linkBody area networkWirelessIEEE 802.11e-2005TransceiverbusinessIEEE 802.15IEEE 802.11r-2008Computer network2010 IEEE Globecom Workshops
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Rateless Codes Performance Analysis in Correlated Channel Model for GEO Free Space Optics Downlinks

2012

Settore ING-INF/03 - TelecomunicazioniFree Space Optics (FSO) technologies for satellite communications offer several advantages: wide bandwidth high rate capability immunity to electromagnetic interference and small equipment size. Thus they are suitable for inter-satellite links deep space communications and also for high data rate ground-to-satellite/satellite-to-ground communications. Nevertheless FSO links suffer impairments that cause power signal degradation at the receiver. Scattering and absorption cause power signal attenuations predictable by suitable deterministic models. Optical turbulence causes random irradiance fluctuations which can generate signal fading events and can thereby only be predicted by statistical models. Attenuation and fading events can corrupt FSO links and so it would be recommended to add mitigation error codes on the communication link. FSO channel can be described as an erasure channel: fading events can cause erasure errors. We have identified in rateless codes (RCs) a suitable solution to be employed in FSO links. RCs do not need feedback and they add a redundant coding on the source data that allows the receiver to recover the whole payload despite erasure errors. We implemented two different of rateless codes: Luby Transform (LT) and Raptor. We analyzed their performances on a simulated turbulent GEO FSO downlink (1 Gbps - OOK modulation) at a 106 μm wavelength and for different values of zenith angles. Assuming a plane-wave propagation and employing Hufnagel-Valley we modeled the downlink using: 1) a temporal correlated channel model based on Gamma-Gamma probability distribution and 2) an irradiance covariance function that we converted on a time function using Taylor frozen eddies hypothesis. Our new channel model is able to simulate irradiance fluctuations at different turbulence conditions as it will be shown in the full paper. We will also report performance results of LT and Raptor codes at overhead range varying between 0 and 50% and for different values of source packets.Settore ING-INF/01 - Elettronica
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Il contrasto sulla nozione di dato sensibile, sui presupposti e sulle modalità del trattamento

2017

Il saggio affronta il nodo della nozione di "dato sensibile" e dei presupposti di liceità del relativo trattamento, in un quadro di profonda incertezza nell'ambito della giurisprudenza di legittimità, anche alla luce della recente riscrittura della disciplina della protezione dei dati personali realizzata dal Regolamento europeo 679/2016

Settore IUS/01 - Diritto Privatotrattamento dei dati dati sensibili liceità modalità del trattamento
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LA REGISTRAZIONE OCCULTA CURATA DA UNA PERSONA PRESENTE AL COLLOQUIO

2019

Il saggio, inserito in una collettanea in tema di investigazioni atipiche alla sua seconda edizione, analizza criticamente l’ascolto “non rivelato” da parte di un soggetto presente . Le coordinate costituzionali e convenzionali consentono di mettere in evidenza l’innegabile compressione dei diritti in rilievo e una difficoltà nell’individuazione della disciplina probatoria applicabile che si ripercuote sull’utilizzabilità processuale dei risultati dell’attività di registrazione. L'analisi è condotta su un piano evolutivo che partendo dall'inquadramento sistematico mette in luce l'evoluzione normativa e giurisprudenziale, con particolare riguardo alle aree di incidenza con la disciplina del …

Settore IUS/16 - Diritto Processuale PenaleRegistrazione occulta da parte di persona presente al colloquio - utilizzabilità processuale - illiceità probatoria
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Predicting depression from illness severity in cardiovascular disease patients: self-efficacy beliefs, illness perception, and perceived social suppo…

2014

Background: Many studies have investigated the relationships between cardiovascular diseases and patients' depression; nevertheless, few is still known as regard the impact of illness severity on depression and whether psychosocial variables mediate this association. Purpose: The aim of this study is to investigate the putative mediating role of illness representations, self-efficacy beliefs, and perceived social support on the relationship between illness severity and depression. Methods: A total of 75 consecutive patients with cardiovascular disease (80 % men; mean age=65.44, SD=10.20) were enrolled in an Italian hospital. Illness severity was measured in terms of left ventricular ejectio…

Settore M-PSI/01 - Psicologia GeneraleAdultMalemedicine.medical_specialtymedia_common.quotation_subjectDiseaseSelf-efficacy beliefsSeverity of Illness IndexDepression Cardiovascular disease severity Self-efficacy beliefs Ilness perception Perceived social supportSocial supportVentricular Dysfunction LeftPerceived social supportRisk FactorsPerceptionSurveys and QuestionnairesSeverity of illnessmedicineIllness perceptionCardiovascular disease severityHumansDepression Cardiovascular disease severity Self-efficacy beliefs Illness perception Perceived social supportPsychiatryApplied PsychologyDepression (differential diagnoses)media_commonAgedSelf-efficacyAged 80 and overDepressionSocial SupportStroke VolumeMiddle AgedSelf EfficacyHealth psychologyCardiovascular DiseasesFemalePerceptionSelf ReportPsychologyPsychosocialClinical psychologyInternational journal of behavioral medicine
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Self-Perceived Health, Objective Health, and Quality of Life among People Aged 50 and Over: Interrelationship among Health Indicators in Italy, Spain…

2020

It is well known that self-perceived health (SPH), even if it is a subjective health indicator, is significantly associated with objective health and quality of life (QoL) in the general population. Whether it can be considered an indicator of cognitive functioning and quality of life in the elderly is still an open issue. This study used a data-driven approach to investigate the interrelationship among SPH, non-communicable diseases (NCDs), QoL, and cognitive functioning to answer this question. The study sample included information about 12,831 people living in Italy, Spain, and Greece, extracted from the Survey on Health, Aging, and Retirement in Europe, in the year 2015. The additive Ba…

Settore M-PSI/01 - Psicologia GeneraleMaleHealth Toxicology and MutagenesisHealth StatusPopulationlcsh:MedicineChronic diseases cognitive measureArticleSettore MED/01 - Statistica Medica03 medical and health sciences0302 clinical medicineQuality of lifeEnvironmental healthCredibilitychronic diseases cognitive measuresHumans030212 general & internal medicineCognitive skillself-perceived healtheducationAged2. Zero hungereducation.field_of_studyGreeceSettore SECS-S/02 - Statistica Per La Ricerca Sperimentale E Tecnologica030503 health policy & serviceslcsh:R1. No povertyPublic Health Environmental and Occupational HealthSelf perceived healthBayes TheoremMiddle AgedHealth indicatoradditive Bayesian network3. Good healthEuropeHealth promotionItalyquality of lifeSpainFemaleSelf Report0305 other medical sciencePsychologyBody mass indexInternational Journal of Environmental Research and Public Health
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