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Signals & SystemsFrequency Response

If an LTI system has H(jω)=0 at ω=100 rad/s, a sinusoidal component exactly at 100 rad/s is ideally?

  • APassed unchanged
  • BCompletely rejected
  • CFrequency doubled
  • DConverted to DC
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Correct Answer: B. Completely rejected
Explanation: A zero frequency-response magnitude at that frequency means the corresponding sinusoidal steady-state component is suppressed.
Reference: Standard signals and systems: frequency response
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