Compensating group delay distortion of signals based on engineered material dispersion

Compensating group delay distortion of signals based on engineered material dispersion
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基于工程材料色散补偿信号群延迟失真

DOI:
10.1063/1.4980148
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发表时间:
2017-04
期刊:
影响因子:
1.6
通讯作者:
Dexin Ye
Dexin Ye
中科院分区:
材料科学4区
文献类型:
--
作者:
Chun Wang;Zhongbo Zhu;Cheng Cao;Shan Qiao;Changzhi Li;Dexin Ye

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在传输系统中,由于材料、器件和传输线的总频率响应引起的色散,使得信号的包络失真不可避免。在这项研究中,我们调查的群延迟失真的信号,由于在传输系统中的色散的存在下,并提出了一种方法来消除失真的补偿工程材料色散的基础上。我们从理论和实验上证明,利用色散材料的异常频率响应,通过一个给定的传输系统的信号的包络失真可以得到充分补偿。与以往在光学中使用光栅压缩器或啁啾压缩器以及在微波波段使用非Foster电路进行色散补偿的研究相比,该方法具有鲁棒性和可扩展性。
Dispersion, which originates from the total frequency responses of materials, devices and transmission lines, makes envelope distortion of signals inevitable in transmission systems. In this study, we investigate the group delay distortion of a signal due to the presence of dispersion in transmission systems, and propose an approach to eliminate the distortion by compensation based on engineered material dispersion. We demonstrate theoretically and experimentally that utilizing the anomalous frequency response of a dispersive material, envelope distortion of a signal passing through a given transmission system can be fully compensated. Compared with previous researches on dispersion compensation using grating compressors or chirp compressors in optics and non-Foster circuits in microwave bands, the proposed approach is robust and scalable to other frequency bands.
DOI: 10.1038/srep01628
发表时间: 2013
期刊: SCIENTIFIC REPORTS
影响因子: 4.6
作者:
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期刊: Journal of the Institution of Electrical Engineers
影响因子: --
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