The physical model and mathematical formulation describing the transducer behavior has been further developed. Based on the dynamic analysis of such an electrostatic transducer, its diaphragm can be considered as a tensile thin plate supported by air‐spring, or as a short tube enclosing air, terminated by a flexible tensile diaphragm and grooved backplate as a rigid wall.
A theoretical model developed by previous papers, i.e., the plate‐on‐air‐spring model or short‐tube model (or DK model), has been successfully extended to a generalized case, in which diaphragms of transducers are loaded also by in‐plane tensile forces.
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