Abstract
A photonics-based multiband radar is proposed based on an optical frequency sweeping comb and photonic dechirp receiving. The proposed radar has a simple structure, and it is capable to simultaneously generate and process multiple linear frequency modulation (LFM) signals in different frequency bands. Besides, the radar receiver can achieve fast or real-time signal processing with low-speed electronics. In the proof-of-concept experiment, a photonics-based dual-band radar working in K-band (19-22 GHz) and Ka-band (34-37 GHz) is demonstrated with a bandwidth of 3 GHz in each band and a sampling rate of 100 MSa/s in the receiver.
© 2018 The Author(s)
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