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2 votes

Methods to determine stability of open-loop systems

It appears you can use a Nyquist plot and just consider encirclements of the origin rather than -1. My reasoning was to follow a similar mathematical derivation to that on the Wikipedia page for the ...
Stephen's user avatar
  • 381
1 vote

Inverse of a causal and stable system

If a given system with a rational transfer function is causal and stable, we know that its poles must lie inside the unit circle. Consequently, the inverse system, whose zeros are the poles of the ...
Matt L.'s user avatar
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