1,720,976 research outputs found
The Exploitation of Polymer Thick Films in Printing Passive UHF RFID Dipole Tag Antennas on Challenging Substrates
Full text linkThe main objective of this thesis was to study the usability of electrically conductive polymer thick film (PTF) inks and non-traditional substrate materials in passive Ultra High Frequency (UHF) radio frequency identification (RFID) tag antenna manufactur-ing. An important part of the work was to develop new applications for printed tags. The effect of the manufacturing method and the materials’ electrical characteristics on tag performance was also investigated.
In recent years the use of radio frequency identification has become increasingly popular since it has many advantages over other identification systems. The integration of electronics, such as RFID tags, in different products is becoming more widespread with the growing need for greater functionality in products. With traditional electronic mass production techniques such as etching, the integration may not be technically or eco-nomically feasible. Printing, on the other hand, is a simple additive method which is suitable for mass production. Material loss and the use of chemicals are substantially less than in etching, and printing can also be performed on a variety of materials.
Although printing is a promising tag antenna manufacturing method, the printed tag ma-terials are very different from those used in etched tags. This is challenging since the materials play a crucial role in tag functioning and their electrical properties are relatively unknown. In addition, the cost of an RFID tag is still too high for item level tracking. The price must decrease further and new applications must be found in order to gain maximum benefit from this technology. Rather than focusing on the reduction of tag costs, this thesis deals with the opportunities that novel materials and manufacturing methods offer.
The thesis consists of an introduction to the passive UHF RFID system, tag antenna per-formance, tag manufacturing and materials together with 9 publications. The publica-tions present in detail the effect of the manufacturing method, the conductor material and the substrate effect on tag performance. The applications of printed tags are investi-gated through case studies.
The results obtained showed that competitive tags can be manufactured by printing, provided that the materials and manufacturing method are taken into account at the de-sign stage. Indeed, the design process should be regarded as an integral part of the man-ufacturing process.
The use of PTF conductors, printing methods and non-traditional substrate materials facilitate the development of new applications and activities that could not be realised using traditional tag manufacturing and materials. The novel materials enable applica-tions in which the printed tags are used for other purposes than product identification, such as tag-based sensing. This enhances the use of printable electronics as well as RFID technology
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Teknologia työkaverina : Yhteisiä kokemuksia hyvinvointi- ja terveysteknologioista Satakunta DigiHealth -ekosysteemissä
No full textHyvinvointi- ja terveysteknologia-aihioiden muotoutuminen käyttäjäystävällisiksi teknologiapalveluiksi edellyttää matkan varrella moniammatillista osaamista, käyttäjien osallistamista, näkemysten ja kokemusten vaihtoa, palvelumuotoilua sekä uutta tutkimustietoa. Tämä Satakunta DigiHealth -hankkeen (2019–2022) julkaisu avaa käytännön esimerkkien avulla hankkeen toimintaa ja tuloksia sekä hyvinvointi- ja terveysteknologiainnovaatioiden hyödyntämismahdollisuuksia sosiaali- ja terveysalalla. Julkaisussa kuullaan myös innostavia uratarinoita hyvinvointi- ja terveysteknologian maailmasta sekä yhteistyökumppaneiden kokemuksia ja näkemyksiä alan tulevaisuudesta.
Jo hankkeen toteutuksen aikana alan teknologioiden kehittymisessä tapahtui valtavia loikkia eteenpäin. Tänä päivänä teknologia luo merkittäviä mahdollisuuksia sosiaali- ja terveyspalveluiden kehittämiseen ja uudistamiseen. Tarvitaan uteliaisuutta, ripaus rohkeutta ja intoa hyödyntää teknologioiden tarjoama potentiaali.
Hankkeen toteutuksesta vastasivat Prizztech Oy, Sataedu, Satakunnan ammattikorkeakoulu, Tampereen yliopisto ja WinNova. Hanketta rahoitti Satakuntaliitto EAKR-rahoituksella ja alueen kunnat.fi=Ei tietoa saavutettavuudesta|sv=Okänd tillgänglighet|en=Unknown accessibility
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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