Search results for: A. Bendjama

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Bendjama</title> <meta name="description" content="Search results for: A. Bendjama"> <meta name="keywords" content="A. Bendjama"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="A. 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Bendjama"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 2</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: A. Bendjama</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Identification of Wideband Sources Using Higher Order Statistics in Noisy Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=S.%20Bourennane">S. Bourennane</a>, <a href="https://publications.waset.org/search?q=A.%20Bendjama"> A. Bendjama</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper deals with the localization of the wideband sources. We develop a new approach for estimating the wide band sources parameters. This method is based on the high order statistics of the recorded data in order to eliminate the Gaussian components from the signals received on the various hydrophones.In fact the noise of sea bottom is regarded as being Gaussian. Thanks to the coherent signal subspace algorithm based on the cumulant matrix of the received data instead of the cross-spectral matrix the wideband correlated sources are perfectly located in the very noisy environment. We demonstrate the performance of the proposed algorithm on the real data recorded during an underwater acoustics experiments.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Higher-order%20statistics" title="Higher-order statistics">Higher-order statistics</a>, <a href="https://publications.waset.org/search?q=high%20resolution%20array%20processing%20techniques" title=" high resolution array processing techniques"> high resolution array processing techniques</a>, <a href="https://publications.waset.org/search?q=localization%20of%20acoustics%20sources" title=" localization of acoustics sources"> localization of acoustics sources</a>, <a href="https://publications.waset.org/search?q=wide%20band%20sources." title=" wide band sources."> wide band sources.</a> </p> <a href="https://publications.waset.org/3074/identification-of-wideband-sources-using-higher-order-statistics-in-noisy-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3074/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3074/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/3074/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/3074/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/3074/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/3074/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/3074/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/3074/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/3074/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/3074/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/3074.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1600</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Influence of the Low Frequency Ultrasound on the Cadmium (II) Biosorption by an Ecofriendly Biocomposite (Extraction Solid Waste of Ammi visnaga / Calcium Alginate): Kinetic Modeling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=L.%20Nouri%20Taiba">L. Nouri Taiba</a>, <a href="https://publications.waset.org/search?q=Y.%20Bouhamidi"> Y. Bouhamidi</a>, <a href="https://publications.waset.org/search?q=F.%20Kaouah"> F. Kaouah</a>, <a href="https://publications.waset.org/search?q=Z.%20Bendjama"> Z. Bendjama</a>, <a href="https://publications.waset.org/search?q=M.%20Trari"> M. Trari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, an ecofriendly biocomposite namely calcium alginate immobilized <em>Ammi Visnaga </em>(Khella) extraction waste (SWAV/CA) was prepared by electrostatic extrusion method and used on the cadmium biosorption from aqueous phase with and without the assistance of ultrasound in batch conditions. The influence of low frequency ultrasound (37 and 80 KHz) on the cadmium biosorption kinetics was studied. The obtained results show that the ultrasonic irradiation significantly enhances and improves the efficiency of the cadmium removal. The Pseudo first order, Pseudo-second-order, Intraparticle diffusion, and Elovich models were evaluated using the non-linear curve fitting analysis method. Modeling of kinetic results shows that biosorption process is best described by the pseudo-second order and Elovich, in both the absence and presence of ultrasound. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Biocomposite" title="Biocomposite">Biocomposite</a>, <a href="https://publications.waset.org/search?q=biosorption" title=" biosorption"> biosorption</a>, <a href="https://publications.waset.org/search?q=cadmium" title=" cadmium"> cadmium</a>, <a href="https://publications.waset.org/search?q=non-linear%20analysis" title=" non-linear analysis"> non-linear analysis</a>, <a href="https://publications.waset.org/search?q=ultrasound." title=" ultrasound."> ultrasound.</a> </p> <a href="https://publications.waset.org/10003768/influence-of-the-low-frequency-ultrasound-on-the-cadmium-ii-biosorption-by-an-ecofriendly-biocomposite-extraction-solid-waste-of-ammi-visnaga-calcium-alginate-kinetic-modeling" class="btn btn-primary 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Search results for: A. Bendjama