Photonic time-frequency filter based on the software-defined time-frequency prism

被引：0
|
作者：
Han, Guanyu [1 ]
Li, Shangyuan [1 ]
Xue, Xiaoxiao [1 ]
Zheng, Xiaoping [1 ]
机构：
[1] Tsinghua Univ, Beijing Natl Res Ctr Informat Sci & Technol, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
OPTICS LETTERS | 2022年 / 47卷 / 14期
基金：
中国国家自然科学基金;
关键词：
FAULT-DIAGNOSIS;
D O I：
10.1364/OL.457157
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a microwave photonic 2D time-frequency filter based on a photonic time-frequency prism. A time-varying frequency response is realized by deviating the passband of a 1D ordinary frequency filter in the 2D time-frequency plane. The proposed time-frequency filter features highly reconfigurable frequency-sweeping speed and bandwidth, thanks to the software-defined photonic time-frequency prism. With the proposed technique, separation of multiple linear and nonlinear chirp signals with overlapped spectra is experimentally demonstrated. (C) 2022 Optica Publishing Group
引用
收藏
页码：3576 / 3579
页数：4
相关论文
共 50 条
  • [31] Time-frequency transform based on frequency-to-time mapping and filtering
    Chen, Yang
    SEMICONDUCTOR LASERS AND APPLICATIONS XIII, 2023, 12761
  • [32] INSTANTANEOUS FREQUENCY AND TIME-FREQUENCY DISTRIBUTIONS
    COHEN, L
    LEE, C
    1989 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-3, 1989, : 1231 - 1234
  • [33] Time-frequency distribution based on local frequency and EMD
    Liu, Shulin
    Wang, Hui
    Ma, Rui
    Zha, Haifeng
    2008 INTERNATIONAL CONFERENCE ON AUDIO, LANGUAGE AND IMAGE PROCESSING, VOLS 1 AND 2, PROCEEDINGS, 2008, : 112 - 117
  • [34] Instantaneous frequency and time-frequency distributions
    Jin, Liang
    Yin, Qinye
    Yao, Minli
    Dianzi Kexue Xuekan/Journal of Electronics, 20 (05): : 597 - 603
  • [35] Tracking of frequency in a time-frequency representation
    Roguet, W
    Martin, N
    Chehikian, A
    PROCEEDINGS OF THE IEEE-SP INTERNATIONAL SYMPOSIUM ON TIME-FREQUENCY AND TIME-SCALE ANALYSIS, 1996, : 341 - 344
  • [36] Noise reduction combining time-domain Ε-filter and time-frequency Ε-filter
    Abe, Tomomi
    Matsumoto, Mitsuharu
    Hashimoto, Shuji
    Journal of the Acoustical Society of America, 2007, 122 (05): : 2697 - 2705
  • [37] Time-Frequency Uncertainty in the Photonic A/D Converters Based on Spectral Encoding
    Xu, Yuxiao
    Jin, Tao
    Chi, Hao
    Zheng, Shilie
    Jin, Xiaofeng
    Zhang, Xianmin
    IEEE PHOTONICS TECHNOLOGY LETTERS, 2016, 28 (08) : 841 - 844
  • [38] Noise reduction combining time-domain ε-filter and, time-frequency ε-filter
    Abe, Tomomi
    Matsumoto, Mitsuharu
    Hashimoto, Shuji
    JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 2007, 122 (05): : 2697 - 2705
  • [39] Seismic random noise attenuation by time-frequency peak filtering based on joint time-frequency distribution
    Zhang, Chao
    Lin, Hong-bo
    Li, Yue
    Yang, Bao-jun
    COMPTES RENDUS GEOSCIENCE, 2013, 345 (9-10) : 383 - 391
  • [40] Time-frequency analysis on Wigner-Ville distribution of seismic signal based on time-frequency rearrangement
    Wu, Xiao-Yang
    Liu, Tian-You
    Shiyou Diqiu Wuli Kantan/Oil Geophysical Prospecting, 2009, 44 (02): : 201 - 205
12345