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Characteristics of surface electromagnetic wave couplers using metal-lens assisted horn antenna / Mohamed Noureddine 

Public ISBD Titre : Characteristics of surface electromagnetic wave couplers using metal-lens assisted horn antenna Type de document : texte imprimé Auteurs : Mohamed Noureddine, Auteur ; C. A. Goben, Directeur de thèse Editeur : University of Missouri-Rolla Année de publication : 1979 Importance : 40 f. Présentation : ill. Format : 27 cm. Note générale : Mémoire de Master : Electronique : Etats-Unis, University of Missouri-Rolla : 1979 Bibliogr. f. 41 - 45 . Annexe f. 46 - 61 Langues : Anglais (eng) Mots-clés : Surface  electromagnetic  waves Microwave  horn  antenna Metal-lens  assistance Electromagnetic  beam Index. décimale : Ms00179 Résumé : It has been shown that it is possible to improve the excitation efficiency (coupling coefficient) of Surface Electromagnetic Waves (SEW) on water by using a metal-lens assisted horn antenna. These experiments have been done at a microwave frequency of 9.5 GHz. The distance, d, of the aiming point of the center line of the microwave horn antenna from the corner of the prism was found for a maximum reading to be 0.85λ and 1.36λ, respectively, when the horn was used without and with the metal-lens assistance. The metal-lens, when mounted on the horn's aperture, gave a higher peak by 8.8% than the horn used alone. When using the prism, a 6% higher peak was noted when the metal-lens assisted horn antenna was used. When collimating the electromagnetic beam horizontally with dielectric lenses, a higher peak of 6.5% was obtained with the metal-lens assisted horn antenna over the horn antenna alone. Characteristics of surface electromagnetic wave couplers using metal-lens assisted horn antenna [texte imprimé] / Mohamed Noureddine, Auteur ; C. A. Goben, Directeur de thèse . - [S.l.] : University of Missouri-Rolla, 1979 . - 40 f. : ill. ; 27 cm. Mémoire de Master : Electronique : Etats-Unis, University of Missouri-Rolla : 1979 Bibliogr. f. 41 - 45 . Annexe f. 46 - 61 Langues : Anglais (eng) Mots-clés : Surface  electromagnetic  waves Microwave  horn  antenna Metal-lens  assistance Electromagnetic  beam Index. décimale : Ms00179 Résumé : It has been shown that it is possible to improve the excitation efficiency (coupling coefficient) of Surface Electromagnetic Waves (SEW) on water by using a metal-lens assisted horn antenna. These experiments have been done at a microwave frequency of 9.5 GHz. The distance, d, of the aiming point of the center line of the microwave horn antenna from the corner of the prism was found for a maximum reading to be 0.85λ and 1.36λ, respectively, when the horn was used without and with the metal-lens assistance. The metal-lens, when mounted on the horn's aperture, gave a higher peak by 8.8% than the horn used alone. When using the prism, a 6% higher peak was noted when the metal-lens assisted horn antenna was used. When collimating the electromagnetic beam horizontally with dielectric lenses, a higher peak of 6.5% was obtained with the metal-lens assisted horn antenna over the horn antenna alone.

Exemplaires

Code-barres	Cote	Support	Localisation	Section	Disponibilité	Spécialité	Etat_Exemplaire
Ms00179	Ms00179	Papier	Bibliothèque centrale	Mémoire de Master	Disponible

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