20162019

Research output per year

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Personal profile

Fields of Science

  • 111 Mathematics

International and National Collaboration Publications and projects within past five years.

Publications

  • 1 Conference contribution
  • 1 Article
  • 1 Conference article

Real-time turbulence profiling using particle filtering

Lehtonen, J. & Helin, T., 2019, AO4ELT6 Conference Proceedings.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File

Atmospheric turbulence profiling with unknown power spectral density

Helin, T., Kindermann, S., Lehtonen, J. & Ramlau, R., 8 Mar 2018, In : Inverse Problems. 34, 4, 32 p., 044002.

Research output: Contribution to journalArticleScientificpeer-review

Limits of turbulence and outer scale profiling with non-Kolmogorov statistics

Lehtonen, A., Correia, C. M. & Helin, T., 30 Jul 2018, In : Proceedings of SPIE, the International Society for Optical Engineering. 10703, 107036C.

Research output: Contribution to journalConference articleScientificpeer-review

Open Access
File

Projects

Centre of Excellence in Inverse Modelling and Imaging

Lassas, M., Siltanen, S., Piiroinen, P., Bubba, T., Balehowsky, T., Meaney, A., Latva-Äijö, S., Kujanpää, A., Liimatainen, T. J., Ylinen, L., Korpela, J., Helin, T., Santacesaria, M., Kyriakopoulou, D., Mach, M., Zhang, Z., Murthy, R., Dunlop, M., Rautio, S. I., Purisha, Z., Juvonen, M., Hyttinen, V., Enwald, J., Virtanen, H. J., Suomenrinne-Nordvik, A., Lehtonen, J., Ola, P., Ratti, L., Partio, H., Latva-Äijö, S., Enwald, J. & Agnelli, J. P.

01/01/201831/12/2025

Project: Research project

SIPAT: Stochastic inverse problems in atmospheric tomography

Helin, T., Lehtonen, J., Nousiainen, J. & Zhang, Z.

01/02/201631/12/2018

Project: University of Helsinki Three-Year Research Project

Activities

  • 17 Organisation and participation in conferences, workshops, courses, seminars
  • 6 Academic visit to other institution

Pontifical Catholic University of Chile

Jonatan Lehtonen (Visiting researcher)
4 Oct 201918 Oct 2019

Activity: Visiting an external institution typesAcademic visit to other institution

Durham University

Jonatan Lehtonen (Visiting researcher)
17 Nov 201930 Nov 2019

Activity: Visiting an external institution typesAcademic visit to other institution

SPIE Astronomical Telescopes + Instrumentation

Jonatan Lehtonen (Attendee)
10 Jun 201815 Jun 2018

Activity: Participating in or organising an event typesOrganisation and participation in conferences, workshops, courses, seminars

24th Inverse Days

Jonatan Lehtonen (Attendee)
11 Dec 201813 Dec 2018

Activity: Participating in or organising an event typesOrganisation and participation in conferences, workshops, courses, seminars

Adaptive Optics Workshop Week

Jonatan Lehtonen (Attendee)
19 Mar 201823 Mar 2018

Activity: Participating in or organising an event typesOrganisation and participation in conferences, workshops, courses, seminars