Power-Efficient Data Modulation for All-Mechanical ULF/VLF Transmitters. - Md Tawhid Bin Tarek; Shamini Dharmasena; Arjuna Madanayake; Seungdeog Choi; Jarred Glickstein; Jifu Liang; Soumyajit Mandal (MWSCAS, 2018)