closely coupled directional coupler

closely coupled directional coupler: Техника: направленный ответвитель с сильной связью

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Scattering parameters — or S parameters are properties used in electrical engineering, electronics engineering, and communication systems engineering describing the electrical behavior of linear electrical networks when undergoing various steady state stimuli by small… … Wikipedia
Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium

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