2017
DOI: 10.18287/2412-6179-2017-41-5-687-693
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Peculiarities of the Doppler effect in a multimode waveguide

Abstract: Поволжский государственный университет сервиса, Самара, Россия Аннотация В работе рассмотрена особенность эффекта Доплера при отражении волн от подвижного слоя диэлектрика в многомодовых волноводах для основной и высших типов волн. Получены расчётные соотношения для нахождения частот различных мод отражённых и прошедших через слой подвижного диэлектрика волн. Установлено, что с увеличением индекса мод зависимость частоты отражённых волн от скорости движения слоя диэлектрика уменьшается, а для прошедших волн, н… Show more

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“…In Mexico, based on the National Inventory of GHG Emissions, it was calculated that in 2018 873 million tons of these gases were emitted. The panorama was extremely worrying if we added that emissions increased by 45% more than the estimated in 1990 (Secretariat of the Environment and Natural Resources SEMARNAT [4]). In this case, the sector that emitted the most and continues to emit the most emissions and waste of these gases is the producer of fuel for all types of transportation, because it mainly includes the use of fossil fuels, and is also responsible for the generation of Electrical energy is another highly polluting sector, especially this second sector since it is responsible for producing around 70% of GHG emissions, due to the excessive use of fossil fuels to produce the energy necessary to supply human consumption.…”
Section: Introductionmentioning
confidence: 99%
“…In Mexico, based on the National Inventory of GHG Emissions, it was calculated that in 2018 873 million tons of these gases were emitted. The panorama was extremely worrying if we added that emissions increased by 45% more than the estimated in 1990 (Secretariat of the Environment and Natural Resources SEMARNAT [4]). In this case, the sector that emitted the most and continues to emit the most emissions and waste of these gases is the producer of fuel for all types of transportation, because it mainly includes the use of fossil fuels, and is also responsible for the generation of Electrical energy is another highly polluting sector, especially this second sector since it is responsible for producing around 70% of GHG emissions, due to the excessive use of fossil fuels to produce the energy necessary to supply human consumption.…”
Section: Introductionmentioning
confidence: 99%
“…Эффект рассматривается обычно в однородных, стационарных средах в пространственно одномерном приближении. Вместе с тем, движение сред сопровождается увлечением ими волновых процессов и приводит к невзаимности параметров сред и к изменению физических свойств структур [5][6][7][8]. Здесь рассмотрено влияние движения сред на эффект Доплера при отражении волн от подвижной границы раздела этих сред.…”
unclassified