Analysis of the shading between multicomponent chirp signals in the fractional Fourier domain

被引：0
|
作者：
Deng, Bing [1 ,2 ]
Tao, Ran [2 ]
Qu, Chang-Wen [1 ]
机构：
[1] Department of Electronic and Information Engineering, Naval Aeronautical Engineering Institute, Yantai 264001, China
[2] Department of Electronic Engineering, Beijing Institute of Technology, Beijing 100081, China
来源：
Tien Tzu Hsueh Pao/Acta Electronica Sinica | 2007年 / 35卷 / 06期
关键词：
Fourier transforms - Signal detection;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Starting with the relationship between the fractional Fourier transform and the time-frequency distribution, we derives the approximate expression of the fractional Fourier spectrum intensity of a single chirp based on the digital computation of the fractional Fourier transform. The shading between the fractional Fourier spectra of two chirps with different chirp rates is analyzed, and a formula is obtained, which is illuminated by some figures and verified by a simulation. We find that the amplitude, chirp-rate and sampling interval determine the shading between the fractional Fourier spectra of multicomponent chirp signals. Prolonging the sampling interval can reduce the shading when amplitude and chirp-rate of multicomponent chirp signals are determined.
引用
收藏
页码：1094 / 1098
相关论文
共 50 条
  • [1] Separation of Multicomponent Chirp Signals Using Morphological Component Analysis and Fractional Fourier Transform
    Shao, Zhiyu
    He, Jiangheng
    Feng, Shunshan
    IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, 2020, 17 (08) : 1343 - 1347
  • [2] Multicomponent chirp demodulation using discrete fractional Fourier analysis
    Reddy S, Lakshmikanth
    Santhanam, Balu
    Hayat, Majeed
    2006 IEEE 12TH DIGITAL SIGNAL PROCESSING WORKSHOP & 4TH IEEE SIGNAL PROCESSING EDUCATION WORKSHOP, VOLS 1 AND 2, 2006, : 418 - 422
  • [3] Multicomponent Chirp Signal Detection Using Fractional Fourier Analysis
    Dong Yongqiang
    Tao Ran
    Zhou Siyong & Wang Yue (Dept. of Electronic Engineering
    JournalofSystemsEngineeringandElectronics, 1999, (03) : 57 - 63
  • [4] Multicomponent chirp signal detection using fractional Fourier analysis
    Dong, Yongqiang
    Tao, Ran
    Zhou, Siyong
    Wang, Yue
    Journal of Systems Engineering and Electronics, 1999, 10 (03): : 57 - 63
  • [5] Multicomponent chirp signal detection using fractional Fourier analysis
    Dong, Yongqiang
    Tao, Ran
    Zhou, Siyong
    Wang, Yue
    Journal of Systems Engineering and Electronics, 10 (03): : 57 - 63
  • [6] Time-Delay Estimation of Chirp Signals in the Fractional Fourier Domain
    Tao, Ran
    Li, Xue-Mei
    Li, Yan-Lei
    Wang, Yue
    IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2009, 57 (07) : 2852 - 2855
  • [7] CHIRP FILTERING IN THE FRACTIONAL FOURIER DOMAIN
    DORSCH, RG
    LOHMANN, AW
    BITRAN, Y
    MENDLOVIC, D
    OZAKTAS, HM
    APPLIED OPTICS, 1994, 33 (32): : 7599 - 7602
  • [8] Chirp signal analysis based on PWD in fractional Fourier transform domain
    Li, J
    Wang, SX
    Wang, F
    2004 7TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING PROCEEDINGS, VOLS 1-3, 2004, : 248 - 251
  • [9] A modified fractional Fourier series for the analysis of finite chirp signals & its application
    Barkat, B
    Yingtuo, J
    SEVENTH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOL 1, PROCEEDINGS, 2003, : 285 - 288
  • [10] Parameter estimation of chirp signals based on fractional Fourier transform
    Zhang, Hong-Xin
    Liu, Hong-Da
    Chen, Si
    Zhang, Ying
    Wang, Xu-Ying
    Journal of China Universities of Posts and Telecommunications, 2013, 20 (SUPPL -2): : 95 - 100
12345