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Cari koleksi dengan cepat sesuai kebutuhan Anda.Typical infra sound propagation paths extend into the middle and upper atmosphere before turning back to Earth near the stratopause or lower thermosphere. The modelling of infra sound propagation is complicated by several factors. Propagation of sound in the atmosphere becomes increasingly non-linear as the mean density of the atmosphere decreases. As a consequence, infrasound propagation, whic…