SEARCH Articles Figures Tables A second-order response Amplitude Response — Second-Order System B Response of a Second-Order Temperature Measuring Element Double Potential Step Responses for Processes Involving First- or Second-Order Follow-up Reactions Frequency response characteristics of second-order systems Generalized second-order system response to a unit step input Nonlinear second-order responses Oscillatory second-order response Phase Response — Second-Order System Response Surface Methodology second-order designs Second-Order Nonlinear Optical Responses of Anils Second-order nonlinear optical response Second-order response properties