question about power spectral density

Reply to Thread

Discussion in 'Homework Help' started by Maxwell2, Jan 10, 2012.

Reply to Thread
  1. Jan 10, 2012 #1
    Maxwell2

    Thread Starter New Member

    Jan 10, 2012
    2
    0
    Hi all,I don't know if it's the right place for this question but I hope you can help me :)

    for the waveform in the picture f(t):


    [​IMG]

    1-determine the mean square value in the time domain
    2-find the PSD (assume 1 ohm) and sketch it.
     
    #1 Reply
  2. Jan 10, 2012 #2
    Georacer

    Moderator

    Nov 25, 2009
    5,151
    1,267
    Hello and welcome to the AAC forums!

    The Homework Help section rules ask that you post the work you have done so far so we can see it and find where you went wrong, or suggest better approaches. We will not do all your work for you, no matter how little time is left before it must be submitted.

    If you are in doubt about how to structure your post and what to include please read this thread: http://forum.allaboutcircuits.com/showthread.php?t=3002

    Thank you.
     
    #2 Reply
  3. Jan 10, 2012 #3
    Maxwell2

    Thread Starter New Member

    Jan 10, 2012
    2
    0
    Sorry for not reading the rules before starting new thread, the problem is I don't know what is
    f(t) here , I don't think it's cosine because no -1, what f(t) could be?
     
    Last edited: Jan 10, 2012
    #3 Reply
  4. Jan 10, 2012 #4
    Georacer

    Moderator

    Nov 25, 2009
    5,151
    1,267
    What formulas do you have at hand?

    Why don't you try the absolute value, f(t)=|5sin(t)|
     
    #4 Reply
Loading...
Related Forum Posts:
  1. Jennifer Solomon

    Question about power equipment...

    Posted by Jennifer Solomon in forum: Power Electronics
    Replies:
    8
    Views:
    432
  2. andrew132

    energy spectral density

    Posted by andrew132 in forum: Homework Help
    Replies:
    5
    Views:
    331
  3. JSWarner

    Question about LED power

    Posted by JSWarner in forum: The Projects Forum
    Replies:
    9
    Views:
    731
  4. huitlacoche

    question about speaker power

    Posted by huitlacoche in forum: General Electronics Chat
    Replies:
    5
    Views:
    1,274
  5. uofmx12

    Autocorrelation and spectral density

    Posted by uofmx12 in forum: Homework Help
    Replies:
    0
    Views:
    1,120
  6. raks_universe

    power spectral density

    Posted by raks_universe in forum: Wireless & RF Design
    Replies:
    0
    Views:
    1,617
You May Also Like:

  1. Moving Beyond Silicon: A New GaN Power Transistor from EPC

  2. Google Experiments with Post-Quantum Cryptographic Algorithms in Chrome

  3. Molex's New Hand Crimping Tool Complies with IPC Standards


Load More