Question

Please solve using the Discrete-Time Fourier Transform: Given a filter described by the difference equation y[n]...

Please solve using the Discrete-Time Fourier Transform:

Given a filter described by the difference equation y[n] = x[n] + 2x[n - 1] + x[n - 3] where x[n] is the input signal and y[n] is the output signal.

a) Find H[n] the impulse response of the filter.

b) Plot the impulse response

c) Find the value of H( Ω) for the following values of Ω = 0, pi, pi/2, and pi/4

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Please thumbs up

Add a comment
Know the answer?
Add Answer to:
Please solve using the Discrete-Time Fourier Transform: Given a filter described by the difference equation y[n]...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 3.21. Given a filter described by the difference equation y[n] = 2x[n] + 3x[n - 1]...

    3.21. Given a filter described by the difference equation y[n] = 2x[n] + 3x[n - 1] + 2x[n - 2] where x[n] is the input signal and y[n] is the output signal. (a) Find and plot h[n] the impulse response of the filter. (b) find and plot H(Ω).

  • solve all 22. The input-output relationship for a linear, time-invariant system is described by differential equation...

    solve all 22. The input-output relationship for a linear, time-invariant system is described by differential equation y") +5y'()+6y(1)=2x'()+x(1) This system is excited from rest by a unit-strength impulse, i.e., X(t) = 8(t). Find the corresponding response y(t) using Fourier transform methods. 23. A signal x(1) = 2 + cos (215001)+cos (210001)+cos (2.15001). a) Sketch the Fourier transform X b) Signal x() is input to a filter with impulse response (1) given below. In each case, sketch the associated frequency response...

  • 4. A discrete time FIR filter is constructed where the filter output at time n, y[n]...

    4. A discrete time FIR filter is constructed where the filter output at time n, y[n] is the weighted average of the present (current) and the two previous values of the input signal x[n] such that y[n]=> b x[n- k) where the filter coefficients (bk's) are selected k-0 based on the following constraints: • 0<b«<l, • Zb= 1, k = 0, 1, 2 2b, – 56, +10b, = 3, 36, +4b, +2b, = k=0 a. Determine the filter coefficients bo,...

  • For a causal LTI discrete-time system described by the difference equation:

    For a causal LTI discrete-time system described by the difference equation: y[n] + y[n – 1] = x[n] a) Find the transfer function H(z).b) Find poles and zeros and then mark them on the z-plane (pole-zero plot). Is this system BIBO? c) Find its impulse response h[n]. d) Draw the z-domain block diagram (using the unit delay block z-1) of the discrete-time system. e) Find the output y[n] for input x[n] = 10 u[n] if all initial conditions are 0.

  • Please show work. An FIR filter is described by the difference equation: (a) Find its impulse...

    Please show work. An FIR filter is described by the difference equation: (a) Find its impulse response h[n] and plot versus n. 1 n 0,2,4 0 elsewhere (b) Find the output when the input signal is n]-

  • a causal discrete time LTI system is implemented using the difference equation y(n)-0.5y(n-1)=x(n)+x(n-1) where x(n) is...

    a causal discrete time LTI system is implemented using the difference equation y(n)-0.5y(n-1)=x(n)+x(n-1) where x(n) is the input signal and y(n) the output signal. Find and sketch the impulse response of the system

  • A causal discrete-time system is described by the following difference equation: Use Matlab to write a...

    A causal discrete-time system is described by the following difference equation: Use Matlab to write a script to complete the following tasks. Turn in the output created by the Matlab "publish" utility. (a) Compute and plot the impulse response h[n], 0くn 〈 50. Use the function h=imp2(b, a , N ) to find the impulse response, and use the stem ) function to create the plot. (b) Let x[n] be defined by (n - 15)2 0n K 30 x[n] elsewhere...

  • (2) Consider the causal discrete-time LTI system with an input r (n) and an output y(n)...

    (2) Consider the causal discrete-time LTI system with an input r (n) and an output y(n) as shown in Figure 1, where K 6 (constant), system #1 is described by its impulse response: h(n) = -36(n) + 0.48(n- 1)+8.26(n-2), and system # 2 has the difference equation given by: y(n)+0.1y(n-1)+0.3y(n-2)- 2a(n). (a) Determine the corresponding difference equation of the system #1. Hence, write its fre- quency response. (b) Find the frequency response of system #2. 1 system #1 system #2...

  • Q8) Consider the following causal linear time-invariant (LTI) discrete-time filter with input x[n...

    Q8) Consider the following causal linear time-invariant (LTI) discrete-time filter with input x[n] and output y[n] described by bx[n-21- ax[n-3 for n 2 0, where a and b are real-valued positive coefficients. A) Is this a finite impulse response (FIR) or infinite impulse response (IIR) filter? Why? B) What are the initial conditions and their values? Why? C) Draw the block diagram of the filter relating input x[n] and output y[n] D) Derive a formula for the transfer function in...

  • 2TT sinn (1) a) Let x1 [n] = πη Find the Discrete Time Fourier transform of...

    2TT sinn (1) a) Let x1 [n] = πη Find the Discrete Time Fourier transform of this signal and plot it with all its critical values. (you can use only transform tables from the book). b) Now, define xzlv) = (**) GHS) Using transform properties, find the Discrete Time Fourier transform of x2[n] and plot it with all its critical values. In your calculations be sure to show your steps ! 2TT sinn sinn sinwon c) Let y[n] [( )...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT