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[期刊论文] 作者：SongYang,XiaoguangZhang,LixiaXi,DongHeZhao,
来源：ChineseOpticsLetters 年份：2014
Based on Software defined network (SDN), we brought up the NetWork Test Tools for communication networks. It is an innovative application of SDN, which can support the application traffic test....
[期刊论文] 作者：SongYang,XiaoguangZhang,LixiaXi,DongheZhao,
来源：ChineseOpticsLetters 年份：2014
Fiber Bending causes the bending loss, which mainly reduces the optical signal noise ratio (OSNR) of the optical transmission signal. When the fiber is bent to a certain degree, it will cause an interrupt signal. In this paper, we do the th......
Improved modulation format identification based on Stokes parameters using combination of fuzzy c-me
[期刊论文] 作者：LongxueCheng,LixiaXi,DongheZhao,XianfengTang,WenboZhang,XiaoguangZhang,
来源：ChineseOpticsLetters 年份：2015
In this Letter, we develop the Stokes space-based method for modulation format identification by combing power spectral density and a cluster analysis to identify quadrature amplitude modulation (QAM) and phase-shift keying (PSK) signals. F......
[期刊论文] 作者：WenyuPeng,LixiaXi,XuanWeng,XiaZhang,DongheZhao,XiaoguangZhang,
来源：ChineseOpticsLetters 年份：2013
We propose a novel in-band optical signal-to-noise ratio (OSNR) monitoring method based on polarization interference. The method realizes a monitoring accuracy of ±0.5 dB within the range of 9–34 dB. Our results indicate that the proposed......
Joint estimation of frequency offset and chromatic dispersion based on the training sequences in M-a
[期刊论文] 作者：YipingSun,LixiaXi,XianfengTang,DongheZhao,YaojunQiao,XiaZhang,XiaoguangZhang,
来源：ChineseOpticsLetters 年份：2014
A data-aided method of joint frequency offset and chromatic dispersion estimation based on the Chu training sequences is shown in 112 Gb/s polarization-multiplexed (PM) quadrature phase-shift keying and 224 Gb/s PM-16-quadrature amplitude m......
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