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This paper describes an algorithm to improve a computational cost for estimation using the Kriging method with a large number of sampling data. An improved formula to compute the weighting coefficient for Kriging estimation is proposed. The Sherman–Morrison–Woodbury formula is applied to solving an approximated simultaneous equation to determine a weighting… (More)

- Seiji Kawamura, Masaki Ando, +131 authors Taizoh Yoshino
- 2008

- Osamu Miyakawa, Robert Ward, +15 authors Conor Mow-Lowry
- 2006

- Hajime Matsui, S. Sakata, M. Kurihara, Seiichi Mita
- IEEE Transactions on Information Theory
- 2005

We construct a two-dimensional systolic array implementing the Berlekamp-Massey-Sakata (BMS) algorithm to provide error-locator polynomials for codes on selected algebraic curves. This array is constructed by introducing some new polynomials in order to increase the parallelism of the algorithm. The introduced polynomials are used in the majority logic… (More)

- Yuzhen Li, Takashi Imaizumi, S. Sakata, H. Sekiya, Jihong Guan
- 2008 Japan-China Joint Workshop on Frontier of…
- 2008

The Geography Markup Language (GML) has been introduced to standardize the representation of geographical data in Extensible Markup Language (XML), which makes the exchanging and sharing of geographical information easier. As GML becomes the geospatial language of the Web, the compression of GML files becomes a new challenge to the compression research… (More)

- Masaki Ando, Koji Arai, +111 authors Jun’ichi Yokoyama
- 2004

We present data-analysis schemes and results of observations with the TAMA300 gravitational-wave detector, targeting burst signals from stellar-core collapse events. In analyses for burst grav-itational waves, the detection and fake-reduction schemes are different from well-investigated ones for a chirp-wave analysis, because precise waveform templates are… (More)

- Kentaro Somiya, Peter Beyersdorf, +7 authors Norikatsu Mio
- Applied optics
- 2005

We report on our prototype experiment that uses a 4-m detuned resonant sideband extraction interferometer with suspended mirrors, which has almost the same configuration as the next-generation, gravitational-wave detectors. We have developed a new control scheme and have succeeded in the operation of such an interferometer with suspended mirrors for the… (More)

- Masaki Ando, Seiji Kawamura, +137 authors Ke-Xun Sun
- 2010

A space gravitational-wave antenna, DECIGO (DECI-hertz interferometer Gravitational wave Observatory), will provide fruitful insights into the universe, particularly on the formation mechanism of supermassive black holes, dark energy and the inflation of the universe. In the current pre-conceptual design, DECIGO will be comprising four interferometer units;… (More)

From 1983 to 1992, 248 patients with carcinoma of the uterine cervix were treated with intracavitary radiation therapy using the 60Co remotely controlled high dose rate afterloading system apace (RALS). Five-year survival rates were 92,8 +/- 7 % for Stage I, 72.4 +/- 5% for Stage II and 52.1 +/- 4% for Stage III. The relations among the sequelae in… (More)