Performance degradation of QAM based inter-satellite optical communication system under gamma irradiation

被引：0
|
作者：
Liu, Yun [1 ]
Zhao, Shanghong [1 ]
Gong, Zizheng [2 ]
Zhao, Jing [1 ]
Li, Xuan [1 ]
机构：
[1] Air Force Engn Univ, Informat & Nav Inst, Xian 710077, Peoples R China
[2] Beijing Inst Spacecraft Environm Engn, Beijing 100094, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2016年 / 359卷
基金：
中国国家自然科学基金;
关键词：
Inter-satellite optical communication; Quadrature amplitude modulation (QAM); Gamma irradiation; Bit error ratio (BER); SPACE RADIATION; MODEL;
D O I：
10.1016/j.optcom.2015.09.093
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Main devices in quadrature amplitude modulation (QAM) based inter-satellite optical communication system were irradiated to a total dose of 20 krad with the dose rate of 5 rad/s using a Co-60 radiation source. Gamma irradiation impacts on devices were analyzed and on the basis, system performance degradation was simulated. Variety of system BER along with onboard working time for different inter-satellite links was presented. In addition, some adaption methods were proposed to reduce gamma irradiation induced degradation. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：245 / 249
页数：5
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