Алгоритмы численного моделирования процессов высокочастотного акустического зондирования в океане
Авторы
-
П. А. Ворновских
-
И. В. Прохоров
-
И. П. Яровенко
Ключевые слова:
акустическое зондирование
уравнение переноса излучения
обратная задача
коэффициент рассеяния
поверхности разрыва функции
Аннотация
Рассмотрена кинетическая модель распространения звука во флуктуирующей морской среде, основанная на интегро-дифференциальном уравнении переноса излучения. Сформулирована обратная задача для уравнения переноса излучения со сосредоточенным импульсным источником звука, заключающаяся в определении поверхностей разрыва коэффициента рассеяния по временно-угловому распределению плотности потока. Разработан численный алгоритм решения обратной задачи, основанный на введении специальной индикаторной функции, явно указывающей на местоположение искомых поверхностей. Проведенное компьютерное моделирование процесса высокочастотного зондирования на частотах от 100 до 600 кГц показало эффективность предложенного алгоритма.
Раздел
Методы и алгоритмы вычислительной математики и их приложения
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