{"id":8034,"date":"2019-05-05T10:57:40","date_gmt":"2019-05-05T09:57:40","guid":{"rendered":"http:\/\/synthese.univ-annaba.dz\/?p=8034"},"modified":"2019-05-06T12:33:12","modified_gmt":"2019-05-06T11:33:12","slug":"mise-en-oeuvre-dun-processeur-fft-pour-des-applications-ofdm","status":"publish","type":"post","link":"https:\/\/synthese.univ-annaba.dz\/?p=8034","title":{"rendered":"Mise en \u0153uvre d\u2019un processeur FFT pour des applications OFDM"},"content":{"rendered":"<div><strong>Num\u00e9ro de la revue<\/strong>: Volume 25 , Num\u00e9ro 1<br \/>\n<strong>Auteurs<\/strong>: Raouf Mokhnache<sup>1*<\/sup> &amp; Azzouz Mokhnache<sup>2<\/sup><\/div>\n<p><sup>1<\/sup> D\u00e9partement de Physique, Universit\u00e9 Badji Mokhtar, BP 12, Annaba, 23000, Alg\u00e9rie.<\/p>\n<p><sup>2<\/sup> D\u00e9partement d\u2019Electronique, Universit\u00e9 Badji Mokhtar, BP 12, Annaba, 23000, Alg\u00e9rie.<\/p>\n<div>\n<p style=\"text-align: right;\"><a href=\"http:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2019\/05\/16-57.18.pdf\"><strong>T\u00e9l\u00e9charger l&rsquo;article<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-709 alignright\" style=\"margin-top: -10px; margin-bottom: -10px;\" src=\"\/wp-content\/uploads\/2014\/04\/p2.jpg\" alt=\"p2\" width=\"37\" height=\"35\" srcset=\"https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2.jpg 113w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-24x24.jpg 24w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-48x46.jpg 48w\" sizes=\"auto, (max-width: 37px) 100vw, 37px\" \/><\/strong><\/a><\/p>\n<\/div>\n<p style=\"text-align: justify;\"><strong>R\u00e9sum\u00e9<\/strong><\/p>\n<p style=\"text-align: justify;\">La mise en \u0153uvre de l&rsquo;algorithme FFT dans une cible FPGA repr\u00e9sente un probl\u00e8me non n\u00e9gligeable lorsqu&rsquo;il s&rsquo;agit de respecter les contraintes de l&rsquo;application en termes de consommation d&rsquo;\u00e9nergie, de co\u00fbt de mise en place, de surface occup\u00e9e, et de vitesse de calcul.<\/p>\n<p style=\"text-align: justify;\">Cet article \u00e9tend l&rsquo;utilisation de Radix-k \u00e0 une structure appropri\u00e9e d&rsquo;un filtre bas\u00e9 sur un vecteur principal d\u2019un composant d\u2019une matrice FFT 2D r\u00e9arrang\u00e9e \u00e0 l&rsquo;aide de la d\u00e9composition DIT (Decimation In Time, d\u00e9cimation en temps). Les r\u00e9sultats obtenus ont d\u00e9montr\u00e9 que la structure propos\u00e9e est plus efficace que celles bas\u00e9es sur la r\u00e9troaction quand plusieurs s\u00e9quences parall\u00e8les d&rsquo;entr\u00e9e doivent \u00eatre trait\u00e9es.<\/p>\n<p><strong>Mots cl\u00e9:\u00a0 <\/strong>Transform\u00e9e de Fourier rapide (FFT) , architecture processeur FFT \u2013 FPGA,\u00a0 OFDM, \u00a0mise en \u0153uvre en temps r\u00e9el<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Num\u00e9ro de la revue: Volume 25 , Num\u00e9ro 1 Auteurs: Raouf Mokhnache1* &amp; Azzouz Mokhnache2 1 D\u00e9partement de Physique, Universit\u00e9 Badji Mokhtar, BP 12, Annaba, 23000, Alg\u00e9rie. 2 D\u00e9partement d\u2019Electronique, Universit\u00e9 Badji Mokhtar, BP 12, Annaba, 23000, Alg\u00e9rie. T\u00e9l\u00e9charger l&rsquo;article &hellip; <a href=\"https:\/\/synthese.univ-annaba.dz\/?p=8034\">Lire la suite <span class=\"meta-nav\">&raquo;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1352],"tags":[],"class_list":["post-8034","post","type-post","status-publish","format-standard","hentry","category-synthese-251"],"_links":{"self":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/8034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8034"}],"version-history":[{"count":2,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/8034\/revisions"}],"predecessor-version":[{"id":8071,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/8034\/revisions\/8071"}],"wp:attachment":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}