Nov 1, 2007 #1 K knights Member level 1 Joined Oct 16, 2007 Messages 38 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,512 There are two equations: PM=±180-Arg[A(jw)F(jw) =±180-tan-1(GB/|p1|)-tan-1(GB/|p2|)-tan-1(GB/|z1|) suppose there are two poles and one zero in the system. How can I get the second equation from first? Many thanks
There are two equations: PM=±180-Arg[A(jw)F(jw) =±180-tan-1(GB/|p1|)-tan-1(GB/|p2|)-tan-1(GB/|z1|) suppose there are two poles and one zero in the system. How can I get the second equation from first? Many thanks
Nov 1, 2007 #2 A aryajur Advanced Member level 3 Joined Oct 23, 2004 Messages 793 Helped 124 Reputation 248 Reaction score 38 Trophy points 1,308 Location San Jose, USA Activity points 7,788 See the attached derivation