[1] Pan S L, Zhu D, Zhang F Z. Microwave photonics for modern radar systems[J]. Transactions of Nanjing University of Aeronautics and Astronautics, 31, 201-204(2014).

[2] Hao T F, Tang J, Li W et al. Tunable Fourier domain mode-locked optoelectronic oscillator using stimulated Brillouin scattering[J]. IEEE Photonics Technology Letters, 30, 1842-1845(2018).

[3] Zhang F, Li P L, Liu Y et al. High-performance microwave frequency comb based on cascaded MZM optical loop[J]. Chinese Journal of Lasers, 46, 1101006(2019).

[4] Ye J, Yan L S, Pan W et al. Generation of hybrid frequency and phase shift keying signal for radio over fiber system[J]. Acta Optica Sinica, 38, 0206002(2018).

[5] Yin H F, Guo L, Yang L C et al. Full aperture imaging algorithm of airborne synthetic aperture ladar[J]. Acta Optica Sinica, 39, 0928002(2019).

[6] McKinney J D, Leaird D E, Weiner A M. Millimeter-wave arbitrary waveform generation with a direct space-to-time pulse shaper[J]. Optics Letters, 27, 1345-1347(2002).

[7] Wang C, Yao J P. Large time-bandwidth product microwave arbitrary waveform generation using a spatially discrete chirped fiber Bragg grating[J]. Journal of Lightwave Technology, 28, 1652-1660(2010).

[8] Wang C, Yao J P. Chirped microwave pulse generation based on optical spectral shaping and wavelength-to-time mapping using a Sagnac loop mirror incorporating a chirped fiber Bragg grating[J]. Journal of Lightwave Technology, 27, 3336-3341(2009).

[9] Rashidinejad A, Leaird D E, Weiner A M. Ultrabroadband radio-frequency arbitrary waveform generation with high-speed phase and amplitude modulation capability[J]. Optics Express, 23, 12265-12273(2015).

[10] Li Y H, Dezfooliyan A, Weiner A M. Photonic synthesis of spread spectrum radio frequency waveforms with arbitrarily long time apertures[J]. Journal of Lightwave Technology, 32, 3580-3587(2014).

[11] Liu Y L, Liang J, Li X et al. Theoretical investigation of photonic generation of frequency quadrupling linearly chirped waveform with large tunable range[J]. Optics Express, 25, 16196-16203(2017).

[12] Li W Z, Yao J P. Generation of linearly chirped microwave waveform with an increased time-bandwidth product based on a tunable optoelectronic oscillator and a recirculating phase modulation loop[J]. Journal of Lightwave Technology, 32, 3573-3579(2014).

[13] Deng H, Zhang J J, Chen X et al. Photonic generation of a phase-coded chirp microwave waveform with increased TBWP[J]. IEEE Photonics Technology Letters, 29, 1420-1423(2017).

[14] Zhang Y M, Ye X W, Guo Q S et al. Photonic generation of linear-frequency-modulated waveforms with improved time-bandwidth product based on polarization modulation[J]. Journal of Lightwave Technology, 35, 1821-1829(2017).

[15] Zhou P, Zhang F Z, Guo Q S et al. Linearly chirped microwave waveform generation with large time-bandwidth product by optically injected semiconductor laser[J]. Optics Express, 24, 18460-18467(2016).

[16] Zhou P, Zhang F Z, Pan S L. Generation of linear frequency-modulated waveforms by a frequency-sweeping optoelectronic oscillator[J]. Journal of Lightwave Technology, 36, 3927-3934(2018).

[17] Zang H K, Lei H, Dan X D et al. Theory and performance analysis of coherent transmission for distributed radars[J]. Journal of Electronics & Information Technology, 37, 1801-1807(2015).

[18] Xie M T. Research on optical true time-delay technology and applications in optical-controlled distributed coherent radar[D]. Beijing: Beijing University of Posts and Telecommunications, 9-20(2019).

[19] Zhu S, Li M, Zhu N H et al. Transmission of dual-chirp microwave waveform over fiber with compensation of dispersion-induced power fading[J]. Optics Letters, 43, 2466-2469(2018).

[20] Zhang K, Zhao S H, Yin Y F et al. Photonic generation and transmission of linearly chirped microwave waveform with increased time-bandwidth product[J]. IEEE Access, 7, 47461-47471(2019).

[21] Zhang K, Zhao S H, Wen A J et al. Anti-chromatic dispersion transmission of frequency and bandwidth-doubling dual-chirp microwave waveform[J]. Optics Letters, 44, 4004-4007(2019).

[22] Li H B, Tan Z W, Kong M L et al. Linear frequency scanning laser based on acousto-optic modulation[J]. Chinese Journal of Lasers, 46, 1201004(2019).

[23] Giles C R. Lightwave applications of fiber Bragg gratings[J]. Journal of Lightwave Technology, 15, 1391-1404(1997).

[24] Jiang T W, Yu S, Wu R H et al. Photonic down conversion with tunable wideband phase shift[J]. Optics Letters, 41, 2640-2643(2016).

[25] Li H, Zhao S H, Lin T et al. Generation of tunable frequency-multiplication factor signal with full range phase shift based on a DPMZM[J]. Optics Communications, 458, 124802(2020).

[26] Ge W W, Zou X H, He Z A et al. Influences of group delay ripples of fiber gratings on characteristics of microwave photonic filter[J]. High Power Laser and Particle Beams, 25, 12-16(2013).

[27] Wun J M, Wei C C, Chen J et al. Photonic chirped radio-frequency generator with ultra-fast sweeping rate and ultra-wide sweeping range[J]. Optics Express, 21, 11475-11481(2013).

[28] Jeon M Y, Kim N, Han S P et al. Rapidly frequency-swept optical beat source for continuous wave terahertz generation[J]. Optics Express, 19, 18364-18371(2011).