Hi hy,
@hy12369 wrote:
How does labview realize the first-order filter output(damping step change),the blue line is what I want
Typically "LabVIEW realizes" what YOU programmed in your VI!
To dampen high frequencies you usually use low-pass filters…
Best regards,
GerdW
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using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019