Problem 2. (A06) For the Continuous-Time (CT) signals below, check if they are bounded or not. Notice that, on some occasions, the answer may depend on a signal's parameter(s). If they are bounded, identify a valid bound that is valid over the entire time axis. 1(t) = tetu(t), aeR r2(t) = (3+ 4j)ešt, weR 13(t) 2 A sin(t?), A€R T4(t) 2 Ae-lel, A€R (2a) (2b) (2c) (2d) 15(t) = r(t+1) – 2r(t) + r(t – 1) x6(t) = te-at5(t – to), a, to ER (2e) (2f) where r is the unit ramp signal and & is the unit impulse signal.

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Problem 2. (A06) For the Continuous-Time (CT) signals below, check if they are bounded or
not. Notice that, on some occasions, the answer may depend on a signal's parameter(s). If they
are bounded, identify a valid bound that is valid over the entire time axis.
x1(t) A tetu(t), a € R
x2(t) 4 (3+ 4j)eut, weR
T3(t) = A sin(t?), A ER
x4(t) A Ae-, A ER
(2a)
(2b)
(2c)
(2d)
05(t) A r(t + 1) – 2r(t) + r(t – 1)
(2e)
x6(t) = te-at 8(t – to), a, to eR
(2f)
where r is the unit ramp signal and d is the unit impulse signal.
Hint: For x5, first express the signal is case-defined form using the table method discussed during
lecture.
Transcribed Image Text:Problem 2. (A06) For the Continuous-Time (CT) signals below, check if they are bounded or not. Notice that, on some occasions, the answer may depend on a signal's parameter(s). If they are bounded, identify a valid bound that is valid over the entire time axis. x1(t) A tetu(t), a € R x2(t) 4 (3+ 4j)eut, weR T3(t) = A sin(t?), A ER x4(t) A Ae-, A ER (2a) (2b) (2c) (2d) 05(t) A r(t + 1) – 2r(t) + r(t – 1) (2e) x6(t) = te-at 8(t – to), a, to eR (2f) where r is the unit ramp signal and d is the unit impulse signal. Hint: For x5, first express the signal is case-defined form using the table method discussed during lecture.
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