Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Okada Kiyoshi,Direct solution of Hilbert transform to obtain minimum phase angle spectrum,THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN,03694232,Acoustical Society of Japan,1999,55,11,742-751,https://cir.nii.ac.jp/crid/1390001206567521536,https://doi.org/10.20697/jasj.55.11_742