help complex numbers

Discussion in 'Homework Help' started by facetten, Feb 5, 2008.

  1. facetten

    Thread Starter Member

    Nov 1, 2007
    11
    0
    hey, i have problem with the math here,

    how do i separate the first equation into magnitude and phase angle. the answers are given, but i want to know how to do the math. please do it step by step so i can follow :p
     
  2. ananya.M

    Member

    Feb 3, 2008
    14
    0
    i think you know this basic..let x=a+jb be a complex number... Then its magnitude will be |x|=root of(a^2+b^2) and its angle is -[tan inverse of(b/a)]
    you have to find ..|H(jw)|
    1)so substitute jw in the place of s..this will give [(R/L)jw]/[-w^2+(R/L)jw+(1/LC)]
    2)follow the above formula to get magnitude...
    3)while finding angle conjugate H(jw) first and then follow the angle formula.....:)
     
  3. The Electrician

    AAC Fanatic!

    Oct 9, 2007
    2,283
    326
    See the attachments for the details.
     
  4. facetten

    Thread Starter Member

    Nov 1, 2007
    11
    0
    thank you, The electrician, i think i understand now :D, and thanks to ananya.M too
     
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