Accès ouvert déclaré
2022
preprint
Noise subtraction from KAGRA O3GK data using Independent Component Analysis
H. Abe, T. Akutsu, M. Ando, A. Araya, N. Aritomi, H. Asada, Y. Aso, S. Bae, Y. Bae, R. Bajpai, K. Cannon, Z. Cao, E. Capocasa, M. Chan, Chang lin Chen, D. Chen, K. Chen, Y. Chen, C-Y. Chiang, Y-K. Chu, S. Eguchi, M. Eisenmann, Y. Enomoto, R. Flaminio, Yoshinori Fujii, Y. Fujikawa, Y. Fujimoto, Isao Fukunaga, D. Gao, S. Ha, S. Haino, K. Hasegawa, K. Hattori, H. Hayakawa, K. Hayama, Y. Himemoto, N. Hirata, C. Hirose, T-C. Ho, B-H. Hsieh, H-F. Hsieh, C. Hsiung, H-Y. Huang, P. Huang, Y-C. Huang, S. Ide, K. Inayoshi, Yuki Inoue, K. Ito, Y. Itoh, Chanhyung Jeon, K. Jung, P. Jung, K. Kaihotsu, T. Kajita, M. Kakizaki, M. Kamiizumi, Nobuyuki Kanda, T. Kato, K. Kawaguchi, C. Kim, J.C. Kim, Y.-M. Kim, N. Kimura, T. Kiyota, Y. Kobayashi, K. Kohri, K. Kokeyama, Naoki Koyama, C. Kozakai, J. Kume, Y. Kuromiya, S. Kuroyanagi, K. Kwak, Hyung Mok Lee, Ray‐Kuang Lee, M. Leonardi, P. Li, Chun-Yu Lin, F-K. Lin, F-L. Lin, M. Ma’arif, E. Majorana, Y. Michimura, N. Mio, O. Miyakawa, K. Miyo, S. Miyoki, Y. Mori, S. Morisaki, N. Morisue, Y. Moriwaki, K. Nagano, K. Nakamura, Hiroyuki Nakano, M. Nakano, Y. Nakayama, T. Narikawa, L. Naticchioni, L. Nguyen Quynh, T. Nishimoto, A. Nishizawa, S. Nozaki, Y. Obayashi, W. Ogaki, K. Oh, M. Ohashi, T. Ohashi, M. Ohkawa, H. Ohta, Y. Okutani, K. Oohara, S. Oshino, S. Otabe, A. Parisi, J. Park, S. Saha, Y. Saito, K. Sakai, T. Sawada, Y. Sekiguchi, L. Shao, Yutaka Shikano, H. Shimizu, K. Shimode, H. Shinkai, T. Shishido, A. Shoda, K. Somiya, I. Song, R. Sugimoto, J. Suresh, T. Suzuki, H. Tagoshi, H. Takahashi, Ryuichi Takahashi, S. Takano, H. Takeda, M. Takeda, K. Tanaka, T. Tanaka, S. Tanioka, A. Taruya, T. Tomaru, T. Tomura, L. Trozzo, T. Tsang, J-S. Tsao, S. Tsuchida, T. Tsutsui, D. Tuyenbayev, N. Uchikata, T. Uchiyama, Akitoshi Ueda, T. Uehara, K. Ueno, G. Ueshima, T. Ushiba, J. Wang, T. Washimi, C. Wu, Haoqiu Wu, T. Yamada, K. Yamamoto, T. Yamamoto, K. Yamashita, R. Yamazaki, Yu-Han Yang, S. Yeh, J. Yokoyama, T. Yokozawa, T. Yoshioka, H. Yuzurihara, S. Zeidler, M. Zhan, H. Zhang, Yang Zhao
2Citations signalées, ce qui n’est pas une note de qualité
1Institutions déclarées
1Pays d’affiliation déclarés
Rattachement africain : fr.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
In April 2020, KAGRA conducted its first science observation in combination with the GEO~600 detector (O3GK) for two weeks. According to the noise budget estimation, suspension control noise in the low frequency band and acoustic noise in the middle frequency band are identified as the dominant contribution. In this study, we show that such noise can be reduced in offline data analysis by utilizing a method called Independent Component Analysis (ICA). Here the ICA model is extended from the one studied in iKAGRA data analysis by incorporating frequency dependence while linearity and stationarity of the couplings are still assumed. By using optimal witness sensors, those two dominant contributions are mitigated in the real observational data. We also analyze the stability of the transfer functions for whole two weeks data in order to investigate how the current subtraction method can be practically used in gravitational wave search.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
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Une affiliation ne permet pas de déduire la nationalité d’un auteur.
Les sujets associés
Pulsars and Gravitational Waves ResearchSeismic Waves and AnalysisRadio Astronomy Observations and Technology