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Guangtongxin yanjiu, 2018 文章提出了一种新的应用于高速光纤通信系统接收端的数字背向传输（DBP）算法的步长变换选择方法。通过采用斜线方法对光纤非线性系数的指数形式曲线进行近似,找出使斜线的斜率与原曲线各点斜率差值最小情况下的步长,再用于变步长DBP算法中对光纤传输中的非线性损伤进行补偿。在3 200km单信道25Gbaud光纤传输系统中对所提步长选择方案进行了仿真。结果表明,在相同系统中,与其他步长选择方法相比,在最佳入纤功率时所提步长选择方案的Q值提升了0.5dB;当入纤功率越大、非线性效应越强时 ...
黄丽艳 +8 more
doaj
[Spherical measurement-based analysis of gradient nonlinearity in magnetic resonance imaging]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiYang X +7 more
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Parameter estimation error based robust adaptive law design and experiments [PDF]
, 2016 Gao, Guan Bin +3 more
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[Design of nonlinear locking mechanism for shape memory alloy archwire of miniature orthodontic device]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiDai Q +5 more
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