Browsing NTNU Open by Author "Andalsvik, Yngvild Linnea"

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    • Estimation of scintillation indices: a novel approach based on local kernel regression methods 

      Ouassou, Mohammed; Kristiansen, Oddgeir; Gjevestad, Jon Glenn Omholt; Jacobsen, Knut Stanley; Andalsvik, Yngvild Linnea (Journal article; Peer reviewed, 2016)
      We present a comparative study of computational methods for estimation of ionospheric scintillation indices. First, we review the conventional approaches based on Fourier transformation and low-pass/high-pass frequency ...

    • Results from the intercalibration of optical low-light calibration sources 2011 

      Brändström, B. Urban E.; Enell, Carl-Fredrik; Widell, Ola; Hansson, Thord; Whiter, Daniel; Mäkinen, Sanna; Mikhaylova, Daria; Axelsson, Katarina; Sigernes, Fred; Gulbrandsen, Njål; Schlatter, Nicola M.; Gjendem, Amund Gjerde; Cai, L.; Reistad, Jone Peter; Daae, Marianne; Demissie, Teferi Dejene; Andalsvik, Yngvild Linnea; Roberts, Owen; Poluyanov, Stepan Viktorovich; Chernouss, Sergey (Journal article; Peer reviewed, 2011)
      Following the 38th Annual European Meeting on Atmospheric Studies by Optical Methods in Siuntio in Finland, an intercalibration workshop for optical low light calibration sources was held in Sodankyla, Finland. The main ¨ ...