Výsledky vyhledávání - "Toivanen, Hans"

Aalto-1 spectral imager status update:Towards flight model

Autor: Näsilä, Antti, Akujärvi, Altti, Holmlund, Christer, Kantojärvi, Uula, Mannila, Rami, Mäkynen, Jussi, Näkki, Ismo, Antila, Tapani, Saari, Heikki, Toivanen, Hans, Viherkanto, Kai

Publikováno v: Näsilä, A, Akujärvi, A, Holmlund, C, Kantojärvi, U, Mannila, R, Mäkynen, J, Näkki, I, Antila, T, Saari, H, Toivanen, H & Viherkanto, K 2014, ' Aalto-1 spectral imager status update : Towards flight model ', Paper presented at 9th ESA Round Table on Micro and Nano Technologies for Space Applications, Lausanne, Switzerland, 10/06/14-13/06/14 .

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::5faf4e3b39a96a60ead13385fa4903f1
https://cris.vtt.fi/en/publications/a6d0150e-96a9-495d-9926-f4d6ac4defb5

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Aalto-1 spectral imager:Towards detailed design

Autor: Näsilä, Antti, Viherkanto, Kai, Saari, Heikki, Antila, Jarkko, Mannila, Rami, Holmlund, Christer, Mäkynen, Jussi, Näkki, Ismo, Kantojärvi, Uula, Antila, Tapani, Toivanen, Hans

Publikováno v: Näsilä, A, Viherkanto, K, Saari, H, Antila, J, Mannila, R, Holmlund, C, Mäkynen, J, Näkki, I, Kantojärvi, U, Antila, T & Toivanen, H 2013, ' Aalto-1 spectral imager : Towards detailed design ', Paper presented at 2nd IAA Conference on University Satellites Missions and Cubesat Winter Workshop, Roma, Italy, 3/02/13-9/02/13 .

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::cf201faacea1da673d65b486ae8eda27
https://cris.vtt.fi/en/publications/d901eac1-b784-4c1a-9fcb-aacf1415edf4

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Road surface condition detection using 24 GHz automotive radar technology

Autor: Häkli, Janne, Säily, Jussi, Koivisto, Päivi, Huhtinen, Ismo, Dufva, Tommi, Rautiainen, Anssi, Toivanen, Hans, Nummila, Kaj

Publikováno v: Häkli, J, Säily, J, Koivisto, P, Huhtinen, I, Dufva, T, Rautiainen, A, Toivanen, H & Nummila, K 2013, Road surface condition detection using 24 GHz automotive radar technology . in Proceedings International Radar Symposium, IRS 2013 . IEEE Institute of Electrical and Electronic Engineers, pp. 702-707, 14th International Radar Symposium, IRS 2013, Dresden, Saxony, Germany, 19/06/13 . < https://ieeexplore.ieee.org/document/6581661 >

Traffic safety can be improved by detecting the road surface condition using automotive radar. This paper describes two 24 GHz measurement systems for investigating the backscattering properties of different asphalt surfaces e.g. dry, wet and icy sur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::5ec6d06a43906222518e443a0a20b9cf
https://cris.vtt.fi/en/publications/ea464603-5006-4e35-b2a4-f3c1b3d28b5e

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Towards video rate imaging at submillimetre-waves:Finnish developments of passive multi-band imaging and holographic submm-wave beam steering at VTT

Autor: Luukanen, Arttu, Ala-Laurinaho, Juha, Häkli, Janne, Gomes-Martins, David, Kiuru, Tero, Koivisto, Päivi, Leivo, Mikko, Rautiainen, Anssi, Säily, Jussi, Tamminen, Aleksi, Toivanen, Hans, Tuovinen, Reijo, Räisänen, Antti

Publikováno v: Luukanen, A, Ala-Laurinaho, J, Häkli, J, Gomes-Martins, D, Kiuru, T, Koivisto, P, Leivo, M, Rautiainen, A, Säily, J, Tamminen, A, Toivanen, H, Tuovinen, R & Räisänen, A 2012, Towards video rate imaging at submillimetre-waves : Finnish developments of passive multi-band imaging and holographic submm-wave beam steering at VTT . in Proceedings of APMC 2012 : Asia Pacific Microwave Conference . IEEE Institute of Electrical and Electronic Engineers, pp. 782-784, Asia Pacific Microwave Conference, APMC 2012, Kaohsiung, Taiwan, Province of China, 4/12/12 . https://doi.org/10.1109/APMC.2012.6421734

Imaging at submillimetre-wave (SMMW) frequencies is of considerable interest for security applications due to potentially superior performance at longer stand-off ranges in comparison to mm-wave imaging thanks to reduced diffraction. We have demonstr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::1d1843223c5882d7b3553b4bb8eea115
https://cris.vtt.fi/en/publications/0037640a-755b-4d60-9ea3-123177678834

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Radar visibility estimation for radar reflectors

Autor: Horsmanheimo, Seppo, Backman, Wenche, Tuomimäki, Lotta, Hautio, Jari, Hujanen, Arto, Toivanen, Hans, Rytkönen, Jorma, Joro, Risto

Publikováno v: Horsmanheimo, S, Backman, W, Tuomimäki, L, Hautio, J, Hujanen, A, Toivanen, H, Rytkönen, J & Joro, R 2007, ' Radar visibility estimation for radar reflectors ', IALA Bulletin, no. 1, pp. 24-27 .

Construction and maintenance of fairways in Finland requires extra caution due to closely-spaced islands, narrow and shallow passages and demanding winter conditions. Therefore, a special authority, the Finnish Maritime Administration (FMA) has been

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::b49ddcf3f6aa8ecd42cf007bc73594eb
https://cris.vtt.fi/en/publications/b73f3ce5-32c0-405f-a236-982835797a20

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Estimating radar visibility with computer modelling

Autor: Horsmanheimo, Seppo, Backman, Wenche, Tuomimäki, Lotta, Hautio, Jari, Hujanen, Arto, Toivanen, Hans, Joro, Risto, Rytkönen, Jorma

Publikováno v: Horsmanheimo, S, Backman, W, Tuomimäki, L, Hautio, J, Hujanen, A, Toivanen, H, Joro, R & Rytkönen, J 2007, ' Estimating radar visibility with computer modelling ', European Journal of Navigation, vol. 5, no. 3, pp. 30-35 .

The maritime transport has grown significantly in the Baltic Sea over recent years, which in turn has increased the risk of maritime accidents. As a result, the Finnish Maritime Administration (FMA) has started a fairway development programme for 200

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::064a30c4d83f836724390ae6b09b3fb5
https://cris.vtt.fi/en/publications/42968aa6-1692-48d9-9c3c-8c3d9118e4bc

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