Estimate Impulse Response

NI System Identification

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Estimate Impulse Response

Estimates the impulse response of an unknown system by using the prewhitening-based correlation analysis method.

ParameterDescription
Impulse ResponseDisplays the estimated impulse response of the unknown system.
Input SignalsContains the following options:
  • Stimulus signal—Specifies the stimulus input to apply to the model.
  • Response signal—Specifies the output response from the model.
Estimation ParametersContains the following option:
  • Setup—Contains the following options:
    • AR order—Specifies the order of the AR model to use for prewhitening. The default is 1.
    • Number of points—Specifies the number of points to compute in the impulse response. The default is 256.
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