Feb 22, 2007 #1 T Tahar Member level 3 Joined Feb 15, 2005 Messages 58 Helped 0 Reputation 0 Reaction score 1 Trophy points 1,286 Activity points 1,832 Dear All, why a positive zeros in a transfer function creates negative phase shift (just as a pole) ? Thanks for answering.
Dear All, why a positive zeros in a transfer function creates negative phase shift (just as a pole) ? Thanks for answering.
Feb 22, 2007 #2 safwatonline Advanced Member level 4 Joined Nov 19, 2005 Messages 1,341 Helped 219 Reputation 438 Reaction score 48 Trophy points 1,328 Location EGYPT Activity points 9,038 positive Zero (i.e. RHP zero) has a n equation (1-(s/wo)) taking tan the equ, for phase cal.=-tan(w/wo) which means that phase decrease just like poles
positive Zero (i.e. RHP zero) has a n equation (1-(s/wo)) taking tan the equ, for phase cal.=-tan(w/wo) which means that phase decrease just like poles