We propose and experimentally demonstrate a scheme to generate wideband radar waveforms at W-band based on a photonic frequency multiplication module. Linear frequency modulated waveforms with an instantaneous bandwidth greater than 8 GHz and 800 us pulse width are generated, and high-resolution range profiles of corner reflectors are obtained experimentally. The results show the range resolution of the system is better than 2.5 cm, which could meet the requirements of high resolution imaging radars.
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