قياس تأثير سمك العينة على امتصاص الموجات الكهرومغناطيسية الدقيقة
الكلمات المفتاحية:
الموجات الكهرومغناطيسية الدقيقة، كومسل، معامل الانتقال، معامل الانعكاس، المجال الكهربائيالملخص
في هذا البحث تم دراسة تاثيرسمك العينة المكونة من بوليمر حمض اللاكتيك (PLA) والياف ثمرة زيت النخيل (OPEFB) على امتصاص الموجات الكهرومغناطيسية الدقيقة. حضرت العينة بنسبة 30% من الياف ثمرة زيت النخيل وبنسبة 70% من بوليمر حمض اللاكتيك ، و استخدم جهاز التحليل الشبكي (N5227) لقياس السماحية الكهربائية للعينة فوجد ان الجزء الحقيقي للسماحية 2.845 والجزء التخيلي لها 0.216 ،علاوة على ذلك استخدم برنامج كومسل للمحاكاة لدراسة المجال الكهربائي للعينات وحساب قيم معامل الانتقال(S₂₁) ومعامل الانعكاس (S₁₁) للموجات الكهرومغناطيسية الدقيقة ذات التردد (8-12GHz) ،حيث كانت قيم معامل الانتقال(S₂₁) تتراوح بين 0.729 و 0.950 و قيم معامل الانعكاس (S₁₁) بين 0.199 و 0.657 عند التردد 10 جيجا هرتز مقاسة بوحدة الديسيبل.
التنزيلات
المراجع
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