I created a similar thread but it was idle for long time so i can't submit any more reply. here is the link for that thread:
http://forum.allaboutcircuits.com/showthread.php?t=41635
All the quotings below stated are from above mentioned thread.
the question i asked was:
from Ghar:
it will be much appreciated if anyone provide me some good explanation of significance of pole-zero from electric circuit perspective.
http://forum.allaboutcircuits.com/showthread.php?t=41635
All the quotings below stated are from above mentioned thread.
the question i asked was:
From Ghar:i have a problem understanding the significance of pole-zero in transfer function especially the pole. i understand the mathematical concept of it but in the sense of electrical circuit how we interpret pole and zero?
thats exactly my point. for example if i have a transfer function(Vout/Vin) 1/{(s+120)(s+50)} where the poles r -19 Hz and -8 hz. how is it possible a generate those negative frequency in real life?You can say the transfer functions becomes infinity at a pole all you want but what does that even mean? That is not applying an input to the system.
from Ghar:
this is the typical answer i got from my lecturer and my fellow students. everyone seemed quite content with that explanation as nobody raised any question in our course discussion forum and that makes me wonder am i missing something really obvious?Poles are the roots of the characteristic equation of the differential equation you're solving.
it will be much appreciated if anyone provide me some good explanation of significance of pole-zero from electric circuit perspective.
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