OOptics Letters4/23/2026Vibration detection based on DSP frame pilot symbols using integrated coherent receiversHao Zhou·Yaojun Qiao·Fan Yang·Zekai Li·Baoxuan Quan·Yutao Zhou·Du Tang·Hengying Xu·Chenglin Bai·Wen ZuoRead at Optics LettersTagsDigital Filter Design and ImplementationSignal Processing