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Tutorial 1 - Signals &amp; Systems

# Tutorial 1 - Signals &amp; Systems - E2.5 Signals...

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1 1 E2.5 Signals & Linear Systems Tutorial Sheet 1 – Introduction to Signals & Systems (Lectures 1 & 2) 1.* Sketch each of the following continuous-time signals. For each case, specify if the signal is causal/non-causal, periodic/non-periodic, odd/even. If the signal is periodic specify its period. (i) (ii) (iii) 2.* Sketch the signal Now sketch each of the following and describe briefly in words how each of the signals can be derived from the original signal . (i) (ii) (iii) (iv) (v) 3.** Sketch each of the following signals. For each case, specify if the signal is causal/non-causal, periodic/non- periodic, odd/even. If the signal is periodic specify its period. (i) (ii)

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2 2 4.*** Consider the rectangular function (i) Sketch (ii) Sketch . (Hint: there is a simple way to express this signal.) 5.** Consider a discrete-time signal , fed as input into a system. The system produces the discrete-time output such that (i) Is the system described above memoryless? Explain. (ii)
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Tutorial 1 - Signals &amp; Systems - E2.5 Signals...

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