Wideband signal detection based on high-speed photonic analog-to-digital converter

被引：0
|
作者：
杨光 [1 ]
邹卫文 [1 ]
袁野 [1 ]
陈建平 [1 ]
机构：
[1] State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University
来源：
Chinese Optics Letters | 2018年 / 16卷 / 03期
基金：
中国国家自然科学基金;
关键词：
SDR; Wideband signal detection based on high-speed photonic analog-to-digital converter; LFM;
D O I：
暂无
中图分类号：
TN792 [];
学科分类号：
080902 ;
摘要：
This Letter demonstrates the effectiveness of a high-speed high-resolution photonic analog-to-digital converter(PADC) for wideband signal detection. The PADC system is seeded by a high-speed actively mode locked laser,and the sampling rate is multiplied via a time-wavelength interleaving scheme. According to the laboratory test,an X-band linear frequency modulation signal is detected and digitized by the PADC system. The channel mismatch effect in wideband signal detection is compensated via an algorithm based on a short-time Fourier transform. Consequently, the signal-to-distortion ratio(SDR) of the wideband signal detection is enhanced to the comparable SDR of the single-tone signal detection.
引用
收藏
页码：10 / 14
页数：5
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