Performance Analysis of Ultra-Wideband Channel for Short-Range Monopulse Radar at Ka-Band.

Autor: Iwakiri, Naohiko¹ iwaikiri@nsat.t.u-tokyo.ac.jp, Hashimoto, Natsuki², Kobayashi, Takehiko²

Publikováno v: Journal of Electrical & Computer Engineering. 2012, p1-9. 9p. 1 Color Photograph, 2 Diagrams, 1 Chart, 12 Graphs.

First results of Wavefront sensing on SOTA

Autor: Védrenne, Nicolas, Velluet, Marie-Thérèse, Petit, Cyril, Michau, Vincent, Chabé, Julien, Ziad, Aziz, Phung, Duy-Ha, Maurice, Nicolas, Samain, Etienne, Artaud, Géraldine, Issler, Jean-Luc, Toyoshima, Morio, Akioka, Maki, Kolev, Dimitar, Munemasa, Yasushi, Takenaka, Hideki, Iwakiri, Naohiko

Publikováno v: 2015 IEEE International Conference on Space Optical Systems and Applications (ICSOS)
2015 IEEE International Conference on Space Optical Systems and Applications (ICSOS), pp.1-8, 2015, ⟨10.1109/ICSOS.2015.7425087⟩

International audience; For satellite to ground laser links, atmospheric turbulence is a major cause of impairments. The induced phase perturbations along the propagation path cause beam scintillation in the receiver plane and they can also severely

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2191::48f00d67dfdd6c14fa0dd08593e49223
https://hal.science/hal-01429768/file/Vedrenne2015.pdf

小型衛星用X-band高速ダウンリンク通信システム受信機の研究

Autor: Iwakiri, Naohiko, Mizuno, Takahide, Tomiki, Atsushi, Saito, Hiroshi

Publikováno v: 第14回宇宙科学シンポジウム 講演集 = Proceedings of the 14th Space Science Symposium.

第14回宇宙科学シンポジウム (2014年1月9日-10日. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県
14ｔh Space Science Symposium (January 9-10, 2014. Institute of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::b9ac9b2015f98c23d3c135c1e52f9bb1
http://id.nii.ac.jp/1696/00009489/

50㎏級小型衛星に適合した数百Mbps高速ダウンリンク通信系と3.8m地上局

Autor: Saito, Hirofumi, Iwakiri, Naohiko, Tomiki, Atsushi, Mizuno, Takahide, Kojima, Kaname

Publikováno v: 第13回宇宙科学シンポジウム 講演集 = Proceedings of the 13th Space Science Symposium.

第13回宇宙科学シンポジウム (2013年1月8日-9日. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県
13th Space Science Symposium (January 8-9, 2013. Institute of Spac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::af570340b682936c90a03e572d51d538
http://id.nii.ac.jp/1696/00009847/

Current status of research and development on space laser communications technologies and future plans in NICT.

Autor: Toyoshima, Morio, Fuse, Tetsuharu, Kolev, Dimitar R., Takenaka, Hideki, Munemasa, Yasushi, Iwakiri, Naohiko, Suzuki, Kenji, Koyama, Yoshisada, Kubooka, Toshihiro, Akioka, Maki, Kunimori, Hiroo

Publikováno v: 2015 IEEE International Conference on Space Optical Systems & Applications (ICSOS); 2015, p1-5, 5p