please solve these two questions. Please
please solve these two questions. Please 1-Take the following system with the input x, and output...
solve only question 1 please !!!! 1-Take the following system with the input x, and output y, y(n) = x(n) + 2x(n − 1) + 2x(n − 2) + x(n − 3). Find its output, if 2(n) = cos(won), , and . Is this system a filter, and if so what kind? where wo, takes values of 0, 2-Take the following system with the input x, and output y, y(n) = cy(n − 1) + x(n). Take y(n) = 0,...
Please answer all of the questions. 6. Consider three systems with the following input-output relationships: { 0, odd System 1: yn 피[핑], n even System 2: y[nx[n] - 10xr[n + 2] + 3xr[n - 1 System 3: yn x[3n] The interconnection diagram is at follows: y System 3 System System 2 Find the input-output relationship of the interconnected system. State the properties of the system (linear, stable, time invariant, memoryless, and causal) 6. Consider three systems with the following input-output...
(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...
The output of a discrete-time system is related to the input by Y(n) x(n is 1 1) = - a. Find the transfer function of the system. b. If the input X(n) is stationary with E(X(n)) = 0 Rxx(k) = { 1, for k = 0 for k 0 0 find Sy(f) and EfY'(n) γγ
Name: 10. [8 points] Consider a discrete-time LTI system with input x[n] and out- put y[n]. When the input signal x[n] = (6)" is applied to the system, the output signal is y[n] = 0 for all n When the input signal xn] (3)" u[n] is applied to the system, the output signal is y[n] = A 8[n] + 2 (5)" u[n] for all n, where A is a constant number a) Find A. b) Find the impulse response of...
at a zero.) 4.11 Consider the network in figure 4.14 to be a 2-input, 2-output filter with input vector x(n) and output vector s(n) a. Write state equations for the network. b. Find the state matrices A, B, C, D (all 2 x 2) c. Find the matrix system function (z) relating the vector z transforms X(z) and S(z), which is given by the general- ization of (4.4.13), i.e., H(z) D + C(zI - A) B. +oking s(n) (n) Z...
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
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...
The following is known about a discrete-time LTI system with input rn] and output vin: (a) If x[n] = (-2)" for all n, then y[n] = 0 for all n. (b) If r/n] (1/2)"u[n] for all n, then y[n is of the form: where a is a constant (c) Determine the value of the constant a. (d) Determine the response vinl if the input lnl is n for all n.
1. Consider a continuous system whose input x(t) and output y(t) are related by dy(t) + ay(t) = x(t) dt where a is a constant. (a) Find y(t) with the condition y(0) = yo and x(t) = Ke-bu(t) (b) Express y(t) in terms of the zero-input and zero-state responses. 2. Consider the system in Problem 1. (a) Show that the system is not linear if y(0) = yo 70. (b) Show that the system is linear if y(0) = 0....