Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nagatsuka Mamoru and Tsuzuku Aiichiro,Digital Transmission Techniques that support Digital Broadcasting. OFDM Signal Degradation by Amplifiers and Measuring Method of the Nonlinearity.,The Journal of The Institute of Image Information and Television Engineers,13426907,The Institute of Image Information and Television Engineers,1999,53,11,1550-1556,https://cir.nii.ac.jp/crid/1390001205097472000,https://doi.org/10.3169/itej.53.1550