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Problem 5.3 (20 Points) A discrete-time, linear time-invariant system H is formed by ar- ranging three...
Consider the cascade of LTI discrete-time systems shown in Figure P2.37. LTI System 1 hi[n], H (el) LTI System 2 h2[n], H2(eje) Figure P2.37 The first system is described by the frequency response Hi(j =c-joo < 0.25% 11 0.25% < and the second system is described by <A hain) = 2 Sin(0.57) (a) Determine an equation that defines the frequency response, H(e)®), of the overall system over the range -- SUSA. (b) Sketch the magnitude. He"), and the phase, ZH(e)),...
Part B, Part C and Part D...Thanks Question 1 Consider the interconnection of Linear Time-Invariant (L.TI) system shown in Figure Q1: h2(n) Figure Ql The individual impulse responses are defined as: 1, n=0,1,2 L0, elsewhere hi (n) h2(n) (n)(u(n) -u(n 3)) h3 (n) 6(n 2) a) Define Lincar Time-Invariant (LTI) system. (3 marks) b) Determine the overall impulse response htotal (n). (12 marks) o) Determine the output y(n) if the system is excited with the following input: x(n) = δ(n...
4. Consider the magnitude and phase of the frequency response Hi(2) of a linear and time-invariant (LTI) discrete-time System 1, given for-r < Ω-T, as: H, (12)| 10 phase H1(Ω)--0 for all Ω (a) Suppose an 5cos(n s input to System 1. Find the output ya[n] (b) Suppose ancos(is input to System 1. Find the output ybn] (c) Suppose I take the discrete-time signal from part (a): xa[n] 5cos(n), but I remove half of the values: to arrive at a...
PROBLEM 7.3*: The diagram in Fig. 2 depicts a cascade connection of two linear time-invariant (LTI) systems; i.e., the output of the first system is the input to the second system, and the overall output is the output of the second system. [n] yi[n] y[n] LTI System #1 hin] LTI System #2 h2[1] Figure 2: Cascade connection of two LTI systems. (a) Suppose that System #1 is a "blurring" filter described by the following equation y1 [n] =arn-k] k=0 and...
The diagram in Fig. 1 depicts a cascade connection of two linear time-invariant systems; i.e., the output of the first system is the input to the second system, and the overall output is the output of the second system. LTI System #1 hi[n] LTI System #2 h21n] r[n] iIn] yInl Figure 1: Cascade connection of two LTI systems (a) Suppose that System #l is a blurring filter described by the impulse response 0 "=0.1.2.3.4.5 n>5 and System #2 is described...
Problem 3) Two discrete-time LTI systems are connected in cascade. The first system is defined by its frequency response: H(e-1+and the second system is (a) Determine the frequency response for the overall cascade system. Simplify your (c) Write down the difference equation that relates the output y[n] to the input x[n]. defined by its impulse response: hln]-n-n-+n-2]-n-3] answer as far as possible. (b) Determine and plot the impulse response h[n] for the overall cascade system.
b) The transfer function of a causal linear time-invariant (LTI) discrete-time system is given by: 1+0.6z1-0.5z1 i Does the system have a finite impulse response (FIR) or infinite 3 impulse response (IIR)? Explain why. ii Determine the impulse response h[n] of the above system iii) Suppose that the system above was designed using the bilinear transformation method with sampling period T-0.5 s. Determine its original analogue transfer function. b) The transfer function of a causal linear time-invariant (LTI) discrete-time system...
Could you please help with the following parts: a. b. c. A system has the impulse response of. If the following signal is input into this system: Enter the output of this system (y[지) into the blank space provided (use π = pi in equations, eg. 1 +2cos(0.5pin) = 12 cos(0.5Tn)) The magnitude response of a discrete-time filter is plotted between the range-4T ώ +6x and is shown below. 10 -2 0 Normalised Radian frequency x Tm What type of...
Problem 1. (10 points) The unit impulse responses of two linear time-invariant systems are hi(t) = 400me-200t u(t) h (t) = 4007e-200nt cos(20,000nt u(t). a) Find the magnitude responses of these systems. b) Determine the filter type and 3 dB cut-off frequency of the first system hi(t). c) How about the second system hz(t)?
6. (15) Consider the following causal linear time-invariant (LTT) discrete-time filter with input in and output yn described by y[n] = x[n] – rn - 2 for n 20 . Is this a finite impulse response (FIR) or infinite impulse response (IIR) filter? Why? • What are the initial conditions and their values for this causal and linear time-invariant system? Why? • Draw the block diagram of the filter relating input x[n) and output y[n] • Derive a formula for...