Search results for "ODN"
showing 10 items of 2772 documents
Design and Simulation of Measurement-Based Correlation Models for Shadow Fading
2011
This paper deals with the design of measurement-based correlation models for shadow fading. Based on the correlation model, we design a simulation model using the sum-of-sinusoids (SOS) method to enable the simulation of spatial lognormal processes characterizing real-world shadow fading scenarios. The model parameters of the simulation model are computed by applying the Lp-norm method (LPNM). This method facilitates an excellent fitting of the simulation model’s autocorrelation function (ACF) to that of measured channels. Our study includes an evaluation of all important statistical quantities of the proposed measurement-based simulation model, such as the probability density function (PDF…
An Improved Iterative Nonlinear Least Square Approximation Method for the Design of SISO Wideband Mobile Radio Channel Simulators
2012
In this paper, we present an improved version of the iterative nonlinear least square approximation (INLSA) method for designing measurement-based single-input single-output (SISO) wideband channel simulators. The proposed method aims to fit the time-frequency correlation function (TFCF) of the simulation model to that of a measured channel. The parameters of the simulation model are determined iteratively by minimizing the Frobenius norm, which serves as a measure for the fitting error. In contrast to the original INLSA method, the proposed approach provides a unique optimized set of model parameters, which guarantees a quasi-perfect fitting with respect to the TFCF. We analyze the perform…
Validation and update of the thoracic surgery scoring system (Thoracoscore) risk model.
2020
Abstract OBJECTIVES The performance of prediction models tends to deteriorate over time. The purpose of this study was to update the Thoracoscore risk prediction model with recent data from the Epithor nationwide thoracic surgery database. METHODS From January 2016 to December 2017, a total of 56 279 patients were operated on for mediastinal, pleural, chest wall or lung disease. We used 3 recommended methods to update the Thoracoscore prediction model and then proceeded to develop a new risk model. Thirty-day hospital mortality included patients who died within the first 30 days of the operation and those who died later during the same hospital stay. RESULTS We compared the baseline patient…
Puritāņu sievišķības un Indiāņu mežonības atspoguļojums agrīnās ASV nebrīves stāstījumos
2018
Maģistra darbā tiek pētīts Puritāņu sievišķības un Indiāņu ‘mežonības’ atspoguļojums Mērijas Rovlandsones, Hannas Dustonas un Mērijas Džemisones nebrīves stāstījumos. Pētījuma teorētiskajā daļā tiek pētīti avoti par puritānismu, puritāņu reliģiskajiem uzskatiem un attiecībām starp puritāņu kolonistiem un indiāņiem. Pētījumā iekļauta arī teorija par nebrīves stāstījumiem un sieviešu lomu tajos. Darbā tika pielietota diskursa analīze, literārā analīze, vēsturiskā analīze, dzimtes vēsture, sieviešu vēsture un postkoloniālā teorija. Mērijas Rovlandsones nebrīves stāstījums mēģina atveidot tradicionālos puritānisma uzskatus, ka sievietes pildīja tām sabiedrības uzticētās lomas, tas ir, viņas bij…
Validation of the Italian version of the abbreviated expanded prostate Cancer index composite (EPIC-26) in men with prostate Cancer
2019
Abstract Background This study aims to validate and evaluate the psychometric properties and reliability of the Italian version of the Expanded Prostate Cancer Index Composite – Short Form (EPIC-26), a measure of quality of life (QoL) for prostate cancer patients. Methods Two hundred and eighty-four prostate cancer patients completed the Italian version of the EPIC-26 questionnaire at 45 days (T1) and 3 months (T2) after robot-assisted radical prostatectomy (RARP). Psychometric properties were evaluated using structural equation modeling: the goodness of fit of the correlated five-factor model (CFFM) for the EPIC-26 was assessed using the confirmatory factor analysis (CFA), while longitudin…
GENDER VIOLENCE IN THE POST-PATRIARCHALIZATION OF GLOBAL AGE: A COMPARATIVE PERSPECTIVE OF ITALY AND SERBIA
2014
RODNO NASILJE U POST-PATRIJARHALNOM GLOBALNOM DOBU: KOMPARATIVNA PERSPEKTIVA ITALIJE I SRBIJE Cilj ovog rada je da ponudi razumevanje interpretativnog dualizma između italijanskog i srpskog društva u pogledu rodnog nasilja nad ženama. U radu se, u komparativnom pristupu, ukazuje na elemente kontinuiranog opadanja muške dominacije u Italiji i opadanja patrijarhalne moći u Srbiji, kao rezultate varijeteta istorijskih i socijalnih uzroka. Emancipacija žena predstavlja snagu koja se suprotstavlja nasilju od partnera u nekim porodičnim kontekstima. Dok globalizacija i nezaposlenost čine deprivaciju muškaraca u u pogledu tradicionalne moći, sa druge strane, "muškarac u padu" čini "identitetski re…
Technical design report for the upgrade of the ALICE inner tracking system
2014
ALICE (A Large Ion Collider Experiment) is studying the physics of strongly interacting matter, and in particular the properties of the Quark–Gluon Plasma (QGP), using proton–proton, proton–nucleus and nucleus–nucleus collisions at the CERN LHC (Large Hadron Collider). The ALICE Collaboration is preparing a major upgrade of the experimental apparatus, planned for installation in the second long LHC shutdown in the years 2018–2019. A key element of the ALICE upgrade is the construction of a new, ultra-light, high- resolution Inner Tracking System (ITS) based on monolithic CMOS pixel detectors. The primary focus of the ITS upgrade is on improving the performance for detection of heavy-flavour…
Oczyszczanie ścieków w mikrobiologicznym ogniwie paliwowym z katodą z niklu Raneya
2016
Linguistica Lettica, Nr. 8
2001
The repeatability and reproducibility of calibrating signals generated by Hsu-Nielsen method
2005
During the measurements of the acoustic emission signals taken both in the laboratory and industrial conditions it is necessary to carry out calibration of the measurement paths used. One of the basic calibration methods is the one invented by Hsu-Nielsen, which consists in generating an acoustic signal during breaking a scriber placed in a special head put on an automatic pencil. The paper presents the measurement results of acoustic signals taken at various structural parameters of calibrating heads, which was done to determine their influence on the repeatability of the results obtained. Moreover, the measurements were taken for ten identical, in relation to their geometrical measurement…