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Träfflista för sökning "WFRF:(Hoffmann L.) "

Sökning: WFRF:(Hoffmann L.)

  • Resultat 61-70 av 1113
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61.
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62.
  • Översättning och Kultur : Traduction et Culture
  • 2007
  • Proceedings (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
    • Varje språk återspeglar i sitt lexikon den kultur för vilken den tjänar som uttrycksmedel. Redan av detta enkla faktum följer att språk och kultur är oupplösligt förenade begrepp och att överföring av text från ett språk till ett annat − dvs. översättning – i hög grad också innebär kulturöverföring, och därmed kulturkontakt. Det är följaktligen av central betydelse för översättningsvetenskapen att intressera sig för översättningen som kulturfenomen. Denna bok innehåller de skriftliga versionerna av föredragen från ett svensk-franskt symposium med temat "Översättning och Kultur" som anordnades vid Växjö universitet den 17 och 18 november 2006. De tolv texterna behandlar de kulturella aspekterna av översättning mellan franska och andra språk, framför allt svenska, men också danska, engelska, finska och nederländska. Flertalet artiklar är inriktade på analys av översättningen som textprodukt eller textprocess, men boken innehåller också bidrag som belyser översättningen utifrån, som en sociokulturell verksamhet av stor vikt för varje samhälles kulturliv.
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63.
  • Övervakning av fladdermöss i Skåne: rapport för 2000
  • 2001
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Fladdermössen har inventerats från bil med hjälp av ultraljudsmottagare. Jämfört med 1997 års inventering förreligger inga i täthetsindexet för nordisk fladdermus. Den största tätheten fanns i begyggt område och den lagsta i barrskogsdominerade område, i likhet det tidigare undersökningar.
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64.
  • Övervakning av fåglar i skogsmark 2000
  • 2000
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Regional fågelövervakning i länets skogar. 22 rutter med 20 observationspunkter med 300 meters mellanrum. En utförlig redovisning av metodiken och de inventerade rutterna står att finna i Länsstyrelsen rapport: Övervakning av fåglar i skogsmark 1997Resultaten är datalagda i en Accessdatabas på Länsstyrelsen i Kronobergs län.
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65.
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66.
  • Öwre, John (författare)
  • The Edge of Perception : The Psychology of the Seen and the Unseen in the Works of William Wordsworth and Samuel Taylor Coleridge
  • 2023
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • This thesis investigates the psychological dimensions of sense perception in the works of two key poets in the British Romantic tradition - William Wordsworth and Samuel Taylor Coleridge - using a combination of traditional close reading and a newer psychobiographical approach. The thesis proposes that Wordsworth's and Coleridge's works can be seen as staging a dialogue between two mutually incompatible habits of sense perception, with Coleridge experiencing perception as metaphysically divisive, and Wordsworth experiencing it as metaphysically unifying (once the mind learns to correctly process sensory gaps). In this dialogue, Wordsworth eventually takes center stage as the dominant 'seer' of the two, while Coleridge takes on the role of auditor, alternating between vicariously adopting, interrogating, doubting and philosophically augmenting Wordsworthian perception. Furthermore, I argue that this dialogue represents a philosophically significant attempt to combine transcendent values with a tangible and intuitive connection to real objects, with Wordsworth and Coleridge attempting to forge a middle road between idealism and empiricism - a pursuit of transcendent objectivity that, I argue, problematizes the conventional reading of Romanticism as an inward turn.
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67.
  • Özcan, Banş, et al. (författare)
  • A MonoSLAM Approach to Lane Departure Warning System
  • 2014
  • Ingår i: 2014 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM 2014). - 9781479957378 ; , s. 640-645
  • Konferensbidrag (refereegranskat)abstract
    • Lane Departure Warning (LDW) systems are one of the widely researched topics under Advanced Driver Assistance Systems (ADAS), because they are seen as the most viable way to prevent the traffic accidents caused by involuntary lane departures from happening. Various methods and algorithms used for lane tracking to be used in LDW in the literature; however, most of them only track the lanes or the position of the vehicle inside the lane. This article introduces MonoSLAM based method for LDW design, assuming that the camera is moving in a previously unknown scene. While applying this method, a constant lateral velocity model for the vehicle is used, which assumes that the vehicle is exposed to undetermined Gaussian lateral accelerations. As the first output, the localization of the vehicle on the road is achieved. Moreover, the method is applied with a low cost webcam attached on a vehicle. Five control points for each lane is used to track the lanes and these control points are modelled as if they have a constant position. Detection is made with steerable filters exploiting the state covariance from EKF to make detection more robust. In addition to this, off-line experimental results are given for 200 frames. Results of lane slope on image plane compared with ground truth marked manually for performance benchmarking and localization estimation of a scenario similar to loop closure test is given.
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68.
  • Özçetin, Seda (författare)
  • Perspectives, Practices, Possibilities
  • 2023
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • This presentation highlights the learnings from conducting design research within democratic data governance space.
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69.
  • Özdemir, Metin, Associate Professor, 1977-, et al. (författare)
  • Quality Standards for Family Support Programs : A New Proposal
  • 2020
  • Konferensbidrag (refereegranskat)abstract
    • One of the key goals of the European Family Support Network (Eurofamnet) is to develop and disseminate a quality standards document. This document aims at identifying the basic characteristics to develop, implement, test, and disseminate high-quality family support programs in the European context. The current presentation focuses on the process of development and key aspects of the proposed Eurofamnet Quality Standards Document.The development process of the Eurofamnet Quality Standards Document started with an extensive review of the published quality standards documents and the scientific publications focusing on preventive interventions for families and children. The review of these documents focused on identifying the proposed standards for and the characteristics of high-quality programs. A thematic analysis revealed the importance of four phases in conceptualizing standards for family support programs. These are (1) program formulation, (2) program delivery, (3) program evaluation, and (4) dissemination. The Eurofamnet Quality Standards Document proposes that the processes and the outcomes of these four phases of the intervention cycle are guided by five fundamental considerations. Actions that are taken and the outcomes of these actions in each of these four phases are (1) responsive, (2) feasible, (3) ethical, (4) reflective, and (5) sustainable.Overall, the Eurofamnet Quality Standards Document aims at setting up a set of guiding principles for practitioners and researchers who work with family support programs that are accessible and in line with the latest advances in research and praxis.
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70.
  • Özdogan, Özgecan, 1992- (författare)
  • Signal Processing Aspects of Massive MIMO and IRS-Aided Communications
  • 2022
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The data traffic in cellular networks has grown at an exponential pace for decades. This trend will most probably continue in the future, driven by new innovative applications. One of the key enablers of future cellular networks is the massive MIMO technology, and it has been started to be commercially deployed in many countries. A massive MIMO base station is equipped with a massive number (e.g., a hundred) of individually steerable antennas, which can be effectively used to serve tens of user equipments simultaneously on the same time-frequency resource. It can provide a notable enhancement of both spectral efficiency and energy efficiency in comparison with conventional MIMO.    In the prior literature, the achievable spectral efficiencies of massive MIMO systems with a practical number of antennas have been rigorously characterized and optimized when the channels are subject to either spatially uncorrelated or correlated Rayleigh fading. Typically, in massive MIMO research, i.i.d. Rayleigh fading or less frequently free-space line-of-sight (LoS) channel models are assumed since they simplify the analysis. Massive MIMO technology is able to support both rich scattering and  LoS scenarios. Practical channels can consist of a combination of an LoS path and a correlated small-scale fading component caused by a finite number of scattering clusters that can be modeled by spatially correlated Rician fading. In Paper \ref{PaperA}, we consider a multi-cell scenario with spatially correlated Rician fading channels and derive closed-form achievable spectral efficiency expressions for different signal processing techniques. Alternatively, a massive number of antennas can be spread over a large geographical area and this concept is called cell-free massive MIMO.  In the canonical form of cell-free massive MIMO, the access points cooperate via a fronthaul network to spatially multiplex the users on the same time-frequency resource using network MIMO methods that only require locally obtained channel state information. Cell-free massive MIMO  is a densely deployed system. Hence, the probability of having an LoS path between some access points and the users is quite high. In Paper B, we consider a practical scenario where the channels between the access points and the users are modeled with Rician fading. The main theory for massive MIMO has been developed for uni-polarized single-antenna users. Wireless signals are polarized electromagnetic waves, and there exist two orthogonal polarization dimensions. The practical base stations and user equipments typically utilize dual-polarized antennas (i.e., two co-located antennas that respond to orthogonal polarizations) to squeeze in twice the number of antennas in the same physical enclosure, as well as capturing signal components from both dimensions. In Paper C, we study a single-cell massive MIMO system with dual-polarized antennas at both the base station and users. The channel modeling for dual-polarized channels is substantially more complicated than for conventional uni-polarized channels. A channel model that takes into account several practical aspects that arise when utilizing dual-polarization, such as channel cross-polar discrimination (XPD) and cross-polar receive and transmit correlations (XPC) is considered. Another technology that has exciting prospects and is quickly gaining traction in wireless communications is intelligent reflecting surfaces (IRS). It is also known under the names reconfigurable intelligent surfaces and software-controlled metasurfaces. IRS is a thin two-dimensional metasurface that is used to aid communications. According to the application of interest, an IRS has the ability to control and transform electromagnetic waves that are impinging on it. In this thesis, we study different aspects of this technology such as pathloss modeling, channel estimation, and different technology use cases. In Paper D, we derive the pathloss model using physical optics techniques for an IRS that is configured to reflect an incoming wave from a far-field source towards a receiver in the far-field. In Paper E, we demonstrate how an IRS can be used to increase the rank of the channel matrix in LoS point-to-point MIMO communications by creating a controllable path that complements the uncontrollable paths. Bringing IRS technology into reality requires addressing many practical challenges. For instance, the proper configuration of an IRS critically depends on accurate channel state information. However, there are two main issues that complicate the channel acquisition with IRS. First, the IRS is not inherently equipped with transceiver chains. Therefore, it can not sense the pilot signals. Besides, introducing an IRS into an existing setup will increase the number of channel coefficients proportionally to the number of IRS elements. In Paper F, we present a deep learning-based approach for phase reconfiguration at an IRS in order to learn and make use of the local propagation environment.
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