1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Impulse response of FIR filter given the output is known

  1. Apr 17, 2013 #1
    Hi all,
    I am faced with this question, I am stumped as it is presented in a different way to what I am used to:

    The output from a FIR filter for a unit step input u[n] is
    y[n] = δ[n] + 3 δ[n - 1] + 6 δ[n - 2] + 10 δ[n - 3] + 15 u[n]
    What is the impulse response of the FIR filter?

    A. h[n] = Ʃ kδ[n - k + 1]
    B. h[n] = Ʃ kδ[n - k - 1]
    C. h[n] = Ʃ δ[n - k + 1]
    D. h[n] = Ʃ (k^2)δ[n - k]

    Really don't know how to attack this problem any help would be greatly appreciated. Thanks in advance!
     
  2. jcsd
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?