**7.1: Standard Form for Undamped Second Order Systems and Natural Frequency**
https://eng.libretexts.org/Bookshelves/Electrical_Engineering/Signal_Processing_and_Modeling/Introduction_to_Linear_Time-Invariant_Dynamic_Systems_for_Students_of_Engineering_(Hallauer)/07%3A_Undamped_Second_Order_Systems/7.01%3A_Standard_Form_for_Undamped_Second_Order_Systems_and_Natural_Frequency

WebMay 22, 2022 · The natural frequency is very important physically: it is shown in the next section that an undamped 2 nd order system tends to vibrate (oscillate, pulsate, shake, quiver, …) periodically at circular frequency ωn ω n radians per second. Next, we define the standard input quantity.

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