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Консультация № 194682
12.02.2019, 16:48
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1
1
Здравствуйте! Прошу помощи в следующем вопросе:
1.При падении электромагнитной волны на диэлектрический экран амплитуда Em электрической составляющей отраженной волны составляет η=1/3 от амплитуды падающей. Найти диэлектрическую проницаемость ε экрана, если магнитная проницаемость μ=1.
1.При падении электромагнитной волны на диэлектрический экран амплитуда Em электрической составляющей отраженной волны составляет η=1/3 от амплитуды падающей. Найти диэлектрическую проницаемость ε экрана, если магнитная проницаемость μ=1.
Обсуждение
13.02.2019, 10:14
общий
это ответ
Здравствуйте, dar777!
В соответствии с формулой (4.9) и пояснением к формуле (4.12) на с. 70 [1], коэффициент отражения по электрическому полю (равный указанному в условии задачи отношению амплитуд) связан с диэлектрической проницаемостью экрана формулой
откуда
Литература.
1. Шостак А. С. Основы электродинамики и распространения радиоволн. Часть 1. Электромагнитные поля и волны. -- Томск: Томский государственный университет систем управления и радиоэлектроники, 2012. -- 143 с.
В соответствии с формулой (4.9) и пояснением к формуле (4.12) на с. 70 [1], коэффициент отражения по электрическому полю (равный указанному в условии задачи отношению амплитуд) связан с диэлектрической проницаемостью экрана формулой
откуда
Литература.
1. Шостак А. С. Основы электродинамики и распространения радиоволн. Часть 1. Электромагнитные поля и волны. -- Томск: Томский государственный университет систем управления и радиоэлектроники, 2012. -- 143 с.
5
Это самое лучшее решение!
Об авторе:
Facta loquuntur.
Facta loquuntur.
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