Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Trisnawati, N., Wirastuti, N., & Hartawan, I. (2022). UNJUK KERJA SISTEM OFDM DENGAN MENGGUNAKAN ALGORITMA VFFT PADA KANAL AWGN. Jurnal SPEKTRUM, 9(3), 114-120. doi:10.24843/SPEKTRUM.2022.v09.i03.p13