Calculation of False-Detection Rate for Nasu Interferometric Sky Survey

被引：2

作者：

Aoki, T. ^{[1
,2
]}

Tanaka, T. ^{[3
]}

Niinuma, K. ^{[4
]}

Asuma, K. ^{[1
]}

Kida, S. ^{[2
]}

Nakamizo, T. ^{[1
]}

Furukawa, N. ^{[1
]}

Ikouga, J. ^{[1
]}

Odai, K. ^{[1
]}

Yamada, Y. ^{[1
]}

Hiruma, R. ^{[1
]}

Endo, T. ^{[1
]}

Konishi, K. ^{[1
]}

Tsuda, T. ^{[1
]}

Daishido, T. ^{[2
]}

机构：

[1] Waseda Univ, Grad Sch Adv Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan

[2] Waseda Univ, Sch Educ, Shinjuku Ku, Tokyo 1698050, Japan

[3] Mitsubishi Electr Corp, Chiyoda Ku, Tokyo 1008310, Japan

[4] Yamaguchi Univ, Grad Sch Sci & Engn, Yamaguchi 7538512, Japan

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 2012年 / 124卷 / 914期

基金：

日本学术振兴会;

关键词：

D O I：

10.1086/665596

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页码：371 / 379

页数：9

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