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About: Propagation constant     Goto   Sponge   NotDistinct   Permalink

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Type: softwareyago:WikicatAnalogCircuitsyago:Artifact100021939yago:Circuit103033362yago:Device103183080yago:ElectricalDevice103269401yago:Filter103339643yago:Instrumentality103575240yago:Object100002684yago:PhysicalEntity100001930yago:WikicatImageImpedanceFiltersyago:Whole100003553 New Facet based on Instances of this Class

The propagation constant of a sinusoidal electromagnetic wave is a measure of the change undergone by the amplitude and phase of the wave as it propagates in a given direction. The quantity being measured can be the voltage, the current in a circuit, or a field vector such as electric field strength or flux density. The propagation constant itself measures the change per unit length, but it is otherwise dimensionless. In the context of two-port networks and their cascades, propagation constant measures the change undergone by the source quantity as it propagates from one port to the next.