A causal LTI system is characterized by : y[n] - 3/4 y[n-1] + 1/8 y[n-2] =2x[n]. (a) Find the impulse response h[n] of this system (b) Find the response of the system to input x[n] = (1/4)^n * u[n]
1) A causal discrete-time system is described by the difference equation, y(n) = x(n)+3x(n-1)+ 2x(n-4) a) What is the transfer function of the system? b) Sketch the impulse response of the system
The system y[n]= x[n] +8x[n + 1]+x[n +2] is O With memory. Causal, Time-varying and Linear With memory, None Causal, Time-varying and Linear With memory, None Causal, Time-invariant and Linear Memmoryless, None Causal, Time-invariant and Linear With memory, None Causal, Time-invariant and None Linear The system y[n]= x[n] +8x[n + 1]+x[n +2] is O With memory. Causal, Time-varying and Linear With memory, None Causal, Time-varying and Linear With memory, None Causal, Time-invariant and Linear Memmoryless, None Causal, Time-invariant and Linear...
Question 1 The difference equation of a causal filter is: y[n] = x[n] – 2x[n – 1] + 3x[n – 5] The filter is an IR filter. True False
- A causal system has input x[n] and output y[n]. Use the transfer function to determine the impulse response of this system. (a) x[n] = [[n]+} \n - 1]- 38[n – 20, x[n] = [[n] - [n – 1] (b) x[n] = (-3)" u[n], y[n] = 4(2)"u[n] – (7)" u[n]
In digital signal processing. with explanation tnx will up 15. Is the function y[n]-x[n-1]-x[n-56] causal? a. The system is non causal b. The system is causal >» c. Both causal and noncausal d. None of the above 16. Is the function y[n]x[n] stable in nature? a. It is stable - b. It is unstable c. Both stable and unstable d. None of the above 17. We define y[n] = nx[n]-(n-Dx[n]. Now, z[n] = z[n-1] + y[n]. Is z[n] a a....
A causal and stable LTI system has the property that: 〖(4/5)〗^n u(n) →n 〖(4/5)〗^n u(n) Determine the frequency response H(e^jω) for the system. Determine a difference equation relating any input x(n) and the corresponding output y(n). Question 3:[4 Marks] A causal and stable LTI system has the property that: 4 4 a) Determine the frequency response H(e/ø) for the system. b) Determine a difference equation relating any input x(n) and the corresponding 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...
1. A causal LTI system is implemented by the difference equation y(n) = 2r(n) - 0.5 y(n-1). (a) Find the frequency response H/(w) of the system. (b) Plot the pole-zero diagram of the system. Based on the pole zero diagram, roughly sketch the frequency response magnitude |H'(w). (c) Indicate on your sketch of H w , its exact values at w=0, 0.5, and . (d) Find the output signal y(n) produced by the input signal (n) = 3 + cos(0.5...
Find the solution to the system of equations by substitution. 5x + y =4 5x +y + 8 = 0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution is N (Simplify your answer. Type an ordered pair) O B. There are infinitely many solutions. O C. There is no solution.