Infrared and Laser Engineering, Volume. 50, Issue 7, 20211051(2021)

Broadband array radar based on microwave photonic frequency multiplication and de-chirp receiving (Invited)

Fangzheng Zhang... Bindong Gao and Shilong Pan* |Show fewer author(s)
Author Affiliations
  • Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering,Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
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    Figures & Tables(12)
    The broadband radar transceiver based on microwave photonic frequency multiplication and de-chirp receiving
    Principle of de-chirp processing
    (a) Picture showing the detection scenario; (b) Spectra of the de-chirped signal
    Setup of the phased array radar based on microwave photonic frequency multiplication and de-chirp receiving
    (a) Optical spectrum of the signal after DPMZM; (b) Spectra and waveform of the transmitted radar signal
    (a) Photograph of the phased array antennas and target; (b) Image constructed by digital beamforming
    Point spread functions along (a) range direction and (b) azimuth direction in the main beam
    Imaging result of multiple targets
    Equivalent MIMO array by the principle of the phase center approximation
    Schematic diagram of the microwave photonic MIMO radar based on wavelength division multiplexing
    Results of the target location with microwave photonic MIMO radar
    (a) Picture of the targets; (b) 2D imaging result of the targets
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    Fangzheng Zhang, Bindong Gao, Shilong Pan. Broadband array radar based on microwave photonic frequency multiplication and de-chirp receiving (Invited)[J]. Infrared and Laser Engineering, 2021, 50(7): 20211051

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    Paper Information

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    Received: Apr. 5, 2021

    Accepted: --

    Published Online: Aug. 23, 2021

    The Author Email:

    DOI:10.3788/IRLA20211051

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