Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Ekström, Joakim"'
Autor:
Ekström, Joakim
The problem of constructing high quality point clouds based on measurements from a moving and rotating single-photon counting lidar is considered in this report. The movement is along a straight rail while the lidar sensor rotates side to side. The p
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-153297
Publikováno v:
In Journal of Public Transportation 2023 25
Publikováno v:
In Transportation Research Part C May 2022 138
Autor:
Ekström, Joakim
In recent years, there has been a growing interest in congestion pricing as a tool for solving traffic congestion problems in urban areas. However, the transportation system is complex and to design a congestion pricing scheme, i.e. to decide where a
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-76287
Autor:
Ekström, Joakim
In this thesis, we consider measures of association for ordinal variables from a theoretical perspective. In particular, we study the phi-coefficient, the tetrachoric correlation coefficient and the polychoric correlation coefficient. We also introdu
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-100735
Autor:
Ekström, Joakim1 (AUTHOR), Åkerrén Ögren, Jim1 (AUTHOR), Sjöblom, Tobias1 (AUTHOR) tobias.sjoblom@igp.uu.se
Publikováno v:
Cancers. Mar2023, Vol. 15 Issue 6, p1788. 14p.
Autor:
Ekström, Joakim
The question of how to design a congestion pricing scheme is difficult to answer and involves a number of complex decisions. This thesis is devoted to the quantitative parts of designing a congestion pricing scheme with link tolls in an urban car tra
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15747
Autor:
Ekström, Joakim
Vägtrafiken står för en allt större del av energianvändning och luftföroreningar. Att kunna beskriva de effekter på energianvändning och miljö som vägtrafiken ger upphov till blir därför allt viktigare. Modeller för simulering av personb
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-5582
Autor:
Hadera, Hubert, Ekström, Joakim, Sand, Guido, Mäntysaari, Juha, Harjunkoski, Iiro, Engell, Sebastian
Publikováno v:
In Computers and Chemical Engineering 4 October 2019 129
Autor:
Hammarström, Klara, Imam, Israa, Korsavidou Hult, Nafsika, Ekström, Joakim, Sjöblom, Tobias, Glimelius, Bengt
Publikováno v:
In Radiotherapy and Oncology July 2019 136:106-112