W. H. Southwell
Abstract
Two new narrowband filter types are presented: narrowband reflectors and narrowband absorbers. Both are related to the familiar narrowband pass cavity filter, but which include a thin absorbing layer.
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Two new narrowband filter types are presented: narrowband reflectors and narrowband absorbers. Both are related to the familiar narrowband pass cavity filter, but which include a thin absorbing layer.
Key concepts: Narrowband, Filter (signal processing), Acoustics, Materials science, Band-pass filter, Optics, Electronic engineering, Computer science