Rchr
J-GLOBAL ID:200901040057631449   Update date: Apr. 24, 2019

Akihiko Machizawa

マチザワ アキヒコ | Akihiko Machizawa
Affiliation and department:
Job title: Senior Research Engineer
Homepage URL  (2): http://www.1pps.org/http://www2.nict.go.jp/w/w114/tsp/research/labo3/index.html
Research field  (3): Computer system/Network ,  Communication/Network engineering ,  Measurement engineering
Research keywords  (1): Network time synchronization
Research theme for competitive and other funds  (1):
  • Network based precise time synchronization technology and its application
Papers (12):
  • Akihiko Machizawa. Development of a reliable public NTP system based on Japan Standard Time. Trans. IEICE. 2013. J96-D. 10. 2308-2318
  • MACHIZAWA Akihiko, IWAMA Tsukasa, SAITO Haruo, TORIYAMA Hiroshi. Precise Frequency Dissemination by Using Very-Short-Term Statistics of the Internet. The transactions of the Institute of Electronics, Information and Communication Engineers. B. 2010. 93. 1. 43-52
  • TORIYAMA Hiroshi, MACHIZAWA Akihiko, IWAMA Tsukasa. Time Transfer Device Using Single-Fiber Single-Wavelength Time Division Duplex. The transactions of the Institute of Electronics, Information and Communication Engineers. B. 2008. 91. 4. 431-439
  • IWAMA Tsukasa, MACHIZAWA Akihiko, TORIYAMA Hiroshi. Long-Term Operation of Network Time Transfer Using Adjusting Data-Offset. The transactions of the Institute of Electronics, Information and Communication Engineers. B. 2008. 91. 4. 407-414
  • MACHIZAWA Akihiko, IWAMA Tsukasa, TORIYAMA Hiroshi. Development of a Network Space-Time Server and a Dynamic Userland Time Client. The IEICE transactions on information and systems (Japanese edetion). 2007. 90. 6. 1394-1402
more...
MISC (44):
  • Terada Kenjiro, Itoh Ozaku Hiromi, Yamamoto Kazuhiko, Takahashi Akira, Kaneko Akihiro, Machizawa Akihiko, Toriyama Hiroshi. D-9-4 Anti Malware System for Removable Media. Proceedings of the IEICE General Conference. 2011. 2011. 1
  • itoh Ozaku Hiromi, Terada Kenjiro, Yamamoto Kazuhiko, Takahashi Akira, Kaneko Akihiro, Machizawa Akihiko, Toriyama Hiroshi. D-9-5 The Development of Anti Malware System for Removable Media. Proceedings of the IEICE General Conference. 2011. 2011. 1
  • Trend of time business in Japan. Review of the National Institute of Information and Communications Technology. 2010. 56. 3. 65-78
  • Machizawa Akihiko, Saito Haruo, Iwama Tsukasa. B-20-26 ACCURACY IMPROVEMENTS OF (ULTRA-)SONIC PSEUDO-NOISE BASED SPACE-TIME DISSEMINATION TECHNOLOGY. Proceedings of the Society Conference of IEICE. 2009. 2009. 2
  • Toriyama Hiroshi, Machizawa Akihiko, Iwama Tsukasa. B-19-29 A Study on HTTP Time Transfer Method using JSONP format. Proceedings of the IEICE General Conference. 2009. 2009. 2
more...
Lectures and oral presentations  (2):
  • Software-Only Implementations of Slave Clocks with Sub-microsecond Accuracy
    (Proc. 2008 International IEEE Symposium on Precision Clock Synchronization for Measurement, Control and Communication (ISPCS2008) 2008)
  • ネットワーク距離に対して指数関数的に劣化するNTP時刻同期精度
    (2013年国際周波数制御シンポジウムと欧州時刻j周波数フォーラム合同シンポジウム 2013)
Education (1):
  • - 1984 Sophia University Faculty of Science and Engineering Department of Electrical and Electronics Engineering
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