1. Time-Varying Noise of Electric Multirotor Aircraft Open Access Author: Gan, Ze Feng Title: Time-Varying Noise of Electric Multirotor Aircraft Graduate Program: Aerospace Engineering Keywords: aeroacousticsrotorcraftacoustic signal processingbeatseVTOL aircraftUAVsdrone noiseurban air mobility File: Download Gan_PhD_Dissertation.pdfDownload BeatsBroadband.wav Committee Members: Amy Pritchett, Program Head/ChairKenneth Brentner, Chair & Dissertation AdvisorJoseph Horn, Major Field MemberEric Greenwood, Major Field MemberMichelle Vigeant-Haas, Outside Unit & Field MemberSicheng Kevin Li, Special Member