Kärhä, P.
39  Ergebnisse:
Personensuche X
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3

Effect of adaptive control on the LED street luminaire life..:

Askola, J ; Kärhä, P ; Baumgartner, H..
Lighting Research & Technology.  54 (2021)  1 - p. 75-89 , 2021
 
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4

Key comparison CCPR-K1.a as an interlaboratory comparison o..:

Kärhä, P ; Vaskuri, A ; Pulli, T.
Journal of Physics: Conference Series.  972 (2018)  - p. 012012 , 2018
 
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6

Natural and accelerated ageing of LED lamps:

Baumgartner, H ; Renoux, D ; Kärhä, P...
Lighting Research & Technology.  48 (2016)  8 - p. 930-942 , 2016
 
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7

Mathematical limitations of the CIE mesopic photometry syst..:

Shpak, M ; Kärhä, P ; Ikonen, E
Lighting Research & Technology.  49 (2016)  1 - p. 111-121 , 2016
 
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8

Luminance meter for photopic and scotopic measurements in t..:

Shpak, M ; Kärhä, P ; Porrovecchio, G..
Measurement Science and Technology.  25 (2014)  9 - p. 095001 , 2014
 
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10

Optical Temperature Measurement Method for Glowing Microcom..:

Shpak, M. ; Kärhä, P. ; Ojanen, M...
International Journal of Thermophysics.  31 (2010)  8-9 - p. 1762-1770 , 2010
 
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13

Filter Radiometers as a Tool for Quality Assurance of Tempe..:

Ojanen, M. ; Ahtee, V. ; Noorma, M....
International Journal of Thermophysics.  29 (2008)  3 - p. 1084-1093 , 2008
 
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14

Adjusting timing of weathering test to account for seasonal..:

Heikkilä, A. ; Tanskanen, A. ; Kärhä, P..
Polymer Degradation and Stability.  92 (2007)  4 - p. 675-683 , 2007
 
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15

Method for analysing luminous intensity of light-emitting d..:

Manninen, P ; Hovila, J ; Kärhä, P.
Measurement Science and Technology.  18 (2006)  1 - p. 223-229 , 2006
 
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