of the target), tension waves reflect back and create spalling. The greater the mismatch, the greater the effect of creasing and spalling will be. A charge initiated against a wall with air behind it will do more damage to the wall than a charge initiated against a wall with soil behind it. See also Ringing (signal) Standing wave ratio Line isolation transformer Notes References External links Impedance Matching Impedance Matching with the Smith Chart Electronic design Electronics concepts Filter theory es:Adaptación de impedancias