piston
In a hollow metallic waveguide, a longitudinally movable metallic plane surface that reflects essentially all the incident energy.
Note: A piston is used for tuning, e.g., fine-tuning a resonant cavity. Synonym plunger.
In a hollow metallic waveguide, a longitudinally movable metallic plane surface that reflects essentially all the incident energy.
Note: A piston is used for tuning, e.g., fine-tuning a resonant cavity. Synonym plunger.