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Sökning: swepub > (1990-1994) > Luleå tekniska universitet

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Numrering	Referens	Omslagsbild	Hitta
1.	Leden, Lars (författare) Pedestrian accidents and left-turning traffic at signalized intersections 1994 Ingår i: VTI:s och KFB:s forskardagar. - Linköping : Statens väg- och transportforskningsinstitut. ; , s. 125-148, s. 125-148 Konferensbidrag (övrigt vetenskapligt/konstnärligt)
2.	Delsing, Jerker, et al. (författare) A simulation approach to the determination of flow meter installation effects 1993 Ingår i: Flow measurement. - Taejon : Korea Research Institute of Standards and Science. ; , s. 92-99 Konferensbidrag (refereegranskat)
3.	Johansson, Gunilla, et al. (författare) Samarbete mellan hem och skola : Erfarenheter av elevers, föräldrars och lärares arbete 1993 Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract The main purpose of this study was to shed light upon several questions regarding co -operation between the home and school, based upon earlier research and empirical studies. The study focused on the opportunities and drawbacks as well as on the motives for home and school cooperation. The first section deals with the questions at issues, and the bases the dissertation was dealt with. The second part covers the empirical studies which were carried out within the first three years of the primary school, and in the third part the limitations, most important results, and future research were discussed. The aim of the first section was to identify the starting points for the study, based on earlier research, and to review, via the main body of the study, how co-operation between the home and the school developed. An analysis of the review suggested that the goal formulations of the main body of the paper allowed for opportunities for home and school collaboration. Not only had interesting possibilities come to light, throughout the earlier research, but so too, a number of problems concerning the concrete collaboration between home and school. An very important conclusion, as a result of this review focused on the importance of proceeding from the unit that a class of pupils, parents and teachers represents. The purpose of the empirical studies was to describe and to try to understand why co-operation between home and school developed as it did. A longitudinal study was carried out by means of on-site research in the primary school itself, among pupils in years 1-3. This was proceeded by questionnaires and prestudies of selected classes. The data was collected mainly by means of questionnaires, interviews and written documents. The results showed that parents could function as a valuable resource within the work of the school and that it was relatively easy to take advantage of them, as such. It became clear that pupils, parents and teachers were extremely inventive and resourceful with regard to ideas on cooperation, and indeed on carrying through those ideas. Parents saw themselves and other parents as an important resource for the work of the school. The teacher emerged as a key figure for intensified collaboration. In the concluding discussion the results from the microlevel formed the starting point for the discussion concerning the context of cooperation between home and school at the macrolevel. As a conclusion, the discussion was about collaboration between home and school in terms of some of the effects of cooperation opportunities and obstacles, the interest shown by parents together with the content and forms of collaboration. Here it was pointed out that an important condition for achieving society's objectives was that pupils, parents and teachers together should interpret this in order to connect them to the cultural economic and social reality that was relevant to that particular class.
4.	Johansson, Jan, et al. (författare) Arbetsmiljöarbete i de små företagen 1990 Ingår i: Arbete och hälsa. - Stockholm : College of Liberal Arts and Sciences. - 9138105780 ; :3/4 Bokkapitel (övrigt vetenskapligt/konstnärligt)
5.	Leden, Lars, et al. (författare) Safety implications of bike paths in signalized intersections : Reviewing using a Bayesian approach 1994 Ingår i: Proceedings of Strategic Highway Research Program (SHRP) and traffic safety on two continents. Conference in Hague, Netherlands, September 22-24, 1993. - Linköping : Statens väg- och transportforskningsinstitut. ; , s. 23-35, s. 149-162, s. 23-35 Konferensbidrag (övrigt vetenskapligt/konstnärligt)
6.	Nordebo, Sven, et al. (författare) Spatial Filter Designed Generalized Sidelobe Canceller for Broadband Implementations 1992 Ingår i: International Symposium on Signal Processing and Its Applications. - Gold Coast, Australia : IREE Australia. - 909394288 ; , s. 577-580 Konferensbidrag (refereegranskat)abstract A novel design procedure for the signal blocking matrix in the broadband generalized sidelobe canceller, is proposed. A 1-dimensional spatial filter is devised in order to prevent the target signal from reaching the cancelling adaptive filters. Simulations and calculations have been performed in order to verify the design
7.	Eriksson, Håkan, et al. (författare) A robust correlation receiver for distance estimation 1994 Ingår i: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. - New York : Institute of Electrical and Electronics Engineers (IEEE). - 0885-3010 .- 1525-8955. ; 41:5, s. 596-603 Tidskriftsartikel (refereegranskat)abstract Many methods for distance estimation, such as the ultrasonic pulse-echo method, involve the estimation of a time-of-flight (TOF). In this paper, a signal model is developed that, apart from the TOF, accounts for an unknown, linear frequency dependent distortion as well as for additive noise. We derive a TOF estimator for this model based on the criteria of maximum likelihood. The resulting receiver can be seen as an extension or generalization of the well known cross-correlation, or "matched filter", estimator described, e.g., by Nilsson. The novel receiver is found to be more robust against unknown pulse shape distortion than the cross-correlation estimator, giving less biased TOF estimates. Also, bias versus noise sensitivity can be controlled by proper model order selection
8.	Abrahamsson, Lena, et al. (författare) Fallstudierapport : Iggesunds bruk. Efterbehandlingen. Arbetsrapport 1993 Rapport (övrigt vetenskapligt/konstnärligt)
9.	Alm, Håkan, et al. (författare) Changes in driver behaviour as a function of handsfree mobile telephones : A simulator study 1991 Rapport (övrigt vetenskapligt/konstnärligt)
10.	Alm, Håkan, et al. (författare) The effects of landmark presentation on driver performance and uncertainty in a navigation task : A field study 1992 Rapport (övrigt vetenskapligt/konstnärligt)

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Lärosäte: Luleå tekniska universitet (2611)Ta bort avgränsningen; Lunds universitet (20); Uppsala universitet (14); Umeå universitet (12); Högskolan Dalarna (10); Blekinge Tekniska Högskola (10); visa fler...; Högskolan i Gävle (7); Mittuniversitetet (5); RISE (5); VTI - Statens väg- och transportforskningsinstitut (5); Linnéuniversitetet (4); Chalmers tekniska högskola (3); Linköpings universitet (2); Karlstads universitet (2); Göteborgs universitet (1); Kungliga Tekniska Högskolan (1); Högskolan i Halmstad (1); Riksantikvarieämbetet (1); visa färre...

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