a) Sketch the following signals over the period n=0 to n=5: i) x[n] = n + n¹/2 ii) x[n] = cos(n.2TT) iii) x[n] = n.cos(n.3π) In each case state whether you think the signal is random, periodic, or non-random- non-periodic.
a) Sketch the following signals over the period n=0 to n=5: i) x[n] = n + n¹/2 ii) x[n] = cos(n.2TT) iii) x[n] = n.cos(n.3π) In each case state whether you think the signal is random, periodic, or non-random- non-periodic.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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QUESTION 2 B PLEASE
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-
427
Appendix
=
Question 2
a) Sketch the following signals over the period n=0 to n=5:
i) x[n] = n + n ¹/2
ii) x[n] = cos(n.2T)
iii) x[n] = n.cos(n.3π)
In each case state whether you think the signal is random, periodic, or non-random-
non-periodic.
b) For the system shown in Figure 2.b below re-draw the system fully labelling all the
arrows, and thereby write down the LDE. State whether the system is IIR or FIR, and
give your reasoning.
Then, using a table approach, find the first 5 terms in the output sequence (y[n])
when the input sequence x[n] = [n]. This output sequence looks like a sample
waveform - what sampled waveform? Explain how this sequence can be derived
from correctly sampling a periodic waveform, stating your reasoning and providing
an appropriate diagram.
x[n]
-1
Σ
y[n]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F39fa3e65-5484-4ef8-b932-352d7509a81e%2F7b542c3a-7a58-4b51-91d6-4f7b1eecc5ea%2Fvztb0bv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Am--
j
-
427
Appendix
=
Question 2
a) Sketch the following signals over the period n=0 to n=5:
i) x[n] = n + n ¹/2
ii) x[n] = cos(n.2T)
iii) x[n] = n.cos(n.3π)
In each case state whether you think the signal is random, periodic, or non-random-
non-periodic.
b) For the system shown in Figure 2.b below re-draw the system fully labelling all the
arrows, and thereby write down the LDE. State whether the system is IIR or FIR, and
give your reasoning.
Then, using a table approach, find the first 5 terms in the output sequence (y[n])
when the input sequence x[n] = [n]. This output sequence looks like a sample
waveform - what sampled waveform? Explain how this sequence can be derived
from correctly sampling a periodic waveform, stating your reasoning and providing
an appropriate diagram.
x[n]
-1
Σ
y[n]
![Am--
j
=
Appendix
Muud
ii) x[n] = cos(n.2TT)
iii) x[n] = n.cos(n.3π)
In each case state whether you think the signal is random, periodic, or non-random-
non-periodic.
b) For the system shown in Figure 2.b below re-draw the system fully labelling all the
arrows, and thereby write down the LDE. State whether the system is IIR or FIR, and
give your reasoning.
Then, using a table approach, find the first 5 terms in the output sequence (y[n])
when the input sequence x[n] = [n]. This output sequence looks like a sample
waveform - what sampled waveform? Explain how this sequence can be derived
from correctly sampling a periodic waveform, stating your reasoning and providing
an appropriate diagram.
x[n]
-1
Figure 2.b
X
Σ
T
y[n]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F39fa3e65-5484-4ef8-b932-352d7509a81e%2F7b542c3a-7a58-4b51-91d6-4f7b1eecc5ea%2F4ownok9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Am--
j
=
Appendix
Muud
ii) x[n] = cos(n.2TT)
iii) x[n] = n.cos(n.3π)
In each case state whether you think the signal is random, periodic, or non-random-
non-periodic.
b) For the system shown in Figure 2.b below re-draw the system fully labelling all the
arrows, and thereby write down the LDE. State whether the system is IIR or FIR, and
give your reasoning.
Then, using a table approach, find the first 5 terms in the output sequence (y[n])
when the input sequence x[n] = [n]. This output sequence looks like a sample
waveform - what sampled waveform? Explain how this sequence can be derived
from correctly sampling a periodic waveform, stating your reasoning and providing
an appropriate diagram.
x[n]
-1
Figure 2.b
X
Σ
T
y[n]
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