1.4. Sketch the continuous-time signals in parts (a) to (c). (a) x(t) = u(t + 1) − 2u(t − 1) + u(t − 3) (b) x(t) = (t + 1)u(t − 1) − tu(t) — u(t − 2) (c) x(t) = 2(t− 1)u(t − 1) — 2(t − 2)u(t − 2) + 2(t − 3)u(t − 3) (d) Use MATLAB to plot the signals defined in parts (a) to (c).

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Q: (a) g (T) 8 (t – T) dr (b) | 8 (t – 2) sin (Tt) dt | -00

A: This is Delta function.  This problem is solving using the Delta function integration property

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Q: signal system

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Q: are you able to do the question in the photo ?

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Q: 1.4. Sketch the continuous-time signals in parts (a) to (c). (a) x(t) = u(t + 1) − 2u(t − 1) + u(t -…

A: Note: Here (d) part comes under complex category, as it based on MATLAB software. So as per the…

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Q: Discussion: 1- Show that: a) sgn(t) = 2u(t) – 1. b) rect(t) = u (t + ) – u(t -).

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A: We need to solve the given integration , we will use impulse function property .

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A: Steady state error = s→0 LTSRs1+GsHs. Where R(s) is the input and G(s) is the transfer function .

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A: The impulse function is defined as,