Re: Negative Group Delay ... again!



Oli Charlesworth wrote:

...

Not sure I understand. It's a given that the continuous-time system
is LTI, therefore we can apply the LT. In what way would it be
invalid?

Hey, fellows, this had been rehashed often in the past under a different guise. The optical equivalent of this apparent "prediction" is found so often in cases of anomalous diepersion, that the phenomenon is known by that name when in fact it is only a consequence of it. There's a simple explanation at http://tinyurl.com/3dqx49

Jerry
--
Engineering is the art of making what you want from things you can get.
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