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signals and systems Question 1 (30%): Consider a LTI systern which is comprised of four subsystems...
(a) LTI Systems. Consider two LTI subsystems that are connected in series, where system Tl has step response s1(t)=u(t-1)-u(t-5) and system T2 has impulse response h2t = e-3tu(t). Find the overall impulse response h(t). Hint: you will need to find h1(t) first (b)Fourier Series. The input signal r(t) and impulse response h(t) of an LTI system are as follows:x(t) = sin(2t)cos(t)-ej3t +2 and h(t) = sin(2t)/t Use the Fourier Series method to find the output y(t) (c)Parseval's Identity and Theorem. Consider the system in the...
Please include full steps and take clear pictures. 2. (Combining systems (30 Pts)] Hi and H2 be continuous-time LTI systems respectively with impulse responses hi and h2. (a) Provide the expression of Hi(r) (t) for all t using the impulse response h (5 Pts) (b) Provide the expression of H21r)(t) for all t using the impulse response h2 (5 Pts) (c)Let Hs be the serial connection of H1 and H2, i.e Draw a block diagram for the above equation 5...
A system is given by: yt=5xt+1-3 Is the system BIBO stable? Justify Is the system memoryless? Explain Is the system causal? Explain Is the system time invariant? Justify Is the system linear? Justify What is the impulse response h(t) of the system? Is the system internally stable? If you could not figure out h(t) from part f, use the h(t) from the problem below. ht=5e-tut-u(t-4)
2. Consider the following interconnection of four LTI systems where each system is described by its impulse response, denoted by h,(t) for i E (1,2,3,4): i (t) hi(t) r(t) z(t) (t)h) но hs(t) alt) h4(t) 2(t) It is not hard, but is tedious, to show that an interconnection of LTI systems is LTI. Assuming this result, consider the system a(t) b(t) where r(t) and b(t) are the same signals in the two block diagrams and h(t) is the impulse response...
a = 3 signals and systems 1) [10 pts. Let a system be defined as ta y(t) x(31 - 2a)dt 2a Is this system b) No b) No b) No vii) memoryless? a) Yes viii) Linear? a) Yes ix) Time invariant? a) Yes x) Causal? a) Yes xi) BIBO stable? a) Yes 2) [5 pts. What is the impulse response h(t)? 3) [10 pts.] Let a signal in s domain b) No b) No 2 Y(S) Sa What is the...
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...
12 • 171 T- (6) Figure 1 (b) Consider the interconnection of the LTI systems shown in Figure 2 below. (1) Find the impulse response h[n] of the total system. (ii) Determine and sketch the total impulse response h[n] if ht[n]= 8[n-1], h2[n] = 3u[n+4], h3[n] = -3u[n-2], and he[n] = 8[n+4]. xin that the syn] - Paragraph -
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...
questions are connected. please show steps to all Consider the system characterized by the characteristic polynomial D2+4D+4. (0) Find the zero-input response go(t) of the system, such that vol(o) 0 and o(0) -1. Impulse Response and Zero-State Response 4 Consider the system characterized by the following diferential equation where z() represents the iaut and y(t) the output (D2 +4D+4) y(t) Da(t) (i) Determine the impulse response h(t) of the system. (i) Compute the convolution h r(t) for r(t) eu(t). Hint:...
SIGNALS AND SYSTEMS (PLEASE UPLOAD MATLAB CODE) 5.37 Non-causal filter-Consider a filter with frequency response HG2)sin2) or a sinc function in frequency. (a) Find the impulse response h(t) of this filter. Plot it and indicate whether this filter is a causal system or not. (b) Suppose you wish to obtain a band-pass filter G(jS2) from Hj2). If the desired center frequency of |G(jS2)| is 5, and its desired magni- tude is 1 at the center frequency, how would you process...