@techreport{oai:jaxa.repo.nii.ac.jp:00002697, author = {白倉, 政志 and 谷島, 正信 and 高田, 昇 and Shirakura, Masashi and Yajima, Masanobu and Takata, Noboru}, month = {Oct}, note = {In order to achieve the advancement of satellite communication, a high speed and high quality communication system is required. Therefore proposed is a new satellite communication system using adaptive modulation techniques. The proposed system adaptively controls the symbol rate and modulation level of up-link and down-link signals according to the communication channel conditions. This paper describes a study result of the system concept and configuration., 資料番号: AA0048057006, レポート番号: JAXA-RM-04-010}, title = {宇宙通信機器技術の研究:適応変調技術を用いた衛星通信システム(S-Tune)の研究}, year = {2004} }