Description: variable or linkage of variables which is the task of the closed-loop or open-loop control to influence; Name: final controlled variable
Description: variable quantity which has, or combination of variable quantities which have, to be influenced by the control; Name: final controlled variable
Description: through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound power