Calculation of false-detection rate for Nasu interferometric sky survey

T. Aoki, T. Tanaka, K. Niinuma, K. Asuma, S. Kida, T. Nakamizo, N. Furukawa, J. Ikouga, K. Odai, Y. Yamada, R. Hiruma, T. Endo, K. Konishi, T. Tsuda, T. Daishido

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    This article proposes a method for calculating the false-detection/alarm rate for the Nasu interferometric sky survey. This method considers both spectral intensity and time width of a fringe in the time-frequency domain. It detects periodic waves with a given time width in a noise band and calculates the distribution of the spectral intensity of the waves. Using this distribution, we can calculate the false-positive rate of fringe detection and determine the reliability of the detection results as an objective probability. The proposed method can be applied to interferometric observations such as the Nasu sky survey whose observation results depend entirely on the existence of fringes.

    Original languageEnglish
    Pages (from-to)371-379
    Number of pages9
    JournalPublications of the Astronomical Society of the Pacific
    Volume124
    Issue number914
    DOIs
    Publication statusPublished - 2012 Apr

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    ASJC Scopus subject areas

    • Astronomy and Astrophysics
    • Space and Planetary Science

    Cite this

    Aoki, T., Tanaka, T., Niinuma, K., Asuma, K., Kida, S., Nakamizo, T., ... Daishido, T. (2012). Calculation of false-detection rate for Nasu interferometric sky survey. Publications of the Astronomical Society of the Pacific, 124(914), 371-379. https://doi.org/10.1086/665596

    Calculation of false-detection rate for Nasu interferometric sky survey. / Aoki, T.; Tanaka, T.; Niinuma, K.; Asuma, K.; Kida, S.; Nakamizo, T.; Furukawa, N.; Ikouga, J.; Odai, K.; Yamada, Y.; Hiruma, R.; Endo, T.; Konishi, K.; Tsuda, T.; Daishido, T.

    In: Publications of the Astronomical Society of the Pacific, Vol. 124, No. 914, 04.2012, p. 371-379.

    Research output: Contribution to journalArticle

    Aoki, T, Tanaka, T, Niinuma, K, Asuma, K, Kida, S, Nakamizo, T, Furukawa, N, Ikouga, J, Odai, K, Yamada, Y, Hiruma, R, Endo, T, Konishi, K, Tsuda, T & Daishido, T 2012, 'Calculation of false-detection rate for Nasu interferometric sky survey', Publications of the Astronomical Society of the Pacific, vol. 124, no. 914, pp. 371-379. https://doi.org/10.1086/665596
    Aoki, T. ; Tanaka, T. ; Niinuma, K. ; Asuma, K. ; Kida, S. ; Nakamizo, T. ; Furukawa, N. ; Ikouga, J. ; Odai, K. ; Yamada, Y. ; Hiruma, R. ; Endo, T. ; Konishi, K. ; Tsuda, T. ; Daishido, T. / Calculation of false-detection rate for Nasu interferometric sky survey. In: Publications of the Astronomical Society of the Pacific. 2012 ; Vol. 124, No. 914. pp. 371-379.
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    abstract = "This article proposes a method for calculating the false-detection/alarm rate for the Nasu interferometric sky survey. This method considers both spectral intensity and time width of a fringe in the time-frequency domain. It detects periodic waves with a given time width in a noise band and calculates the distribution of the spectral intensity of the waves. Using this distribution, we can calculate the false-positive rate of fringe detection and determine the reliability of the detection results as an objective probability. The proposed method can be applied to interferometric observations such as the Nasu sky survey whose observation results depend entirely on the existence of fringes.",
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    AU - Kida, S.

    AU - Nakamizo, T.

    AU - Furukawa, N.

    AU - Ikouga, J.

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    AU - Hiruma, R.

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