This question paper has TWO (2) pages. Answer all questions (Q.1 and Q.2) Q.1 (a) Define each function as even, odd, or neither. Justify your answers. (i) f(x) = ex (ii) f(x)=x²sin(x) (b) Consider the signal f(t) illustrated in the Figure Q.1 (b). (i) Write the signal using a single analytical expression, with the aid of the unit step function u(t). (ii) Sketch w(t) = f(5-t) + 1.5f(t+10) (c) The signal f(t) from Figure Q.1 (b) goes through the proses as shown in Figure Q.1(c). The sampling frequency is 400 Hz. Plot x[n], s[n] and z[n] with complete labels. -4 f(t) 4 f(t)→→ Sampling 0 5 Figure Q.1 (b) x[n] t(ms) z[n] s[n] = [-1,3,2,1,0,4]
This question paper has TWO (2) pages. Answer all questions (Q.1 and Q.2) Q.1 (a) Define each function as even, odd, or neither. Justify your answers. (i) f(x) = ex (ii) f(x)=x²sin(x) (b) Consider the signal f(t) illustrated in the Figure Q.1 (b). (i) Write the signal using a single analytical expression, with the aid of the unit step function u(t). (ii) Sketch w(t) = f(5-t) + 1.5f(t+10) (c) The signal f(t) from Figure Q.1 (b) goes through the proses as shown in Figure Q.1(c). The sampling frequency is 400 Hz. Plot x[n], s[n] and z[n] with complete labels. -4 f(t) 4 f(t)→→ Sampling 0 5 Figure Q.1 (b) x[n] t(ms) z[n] s[n] = [-1,3,2,1,0,4]
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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![This question paper has TWO (2) pages. Answer all questions (Q.1 and Q.2)
Q.1 (a) Define each function as even, odd, or neither. Justify your answers.
(i) f(x) = ex
(ii) f(x) = x² sin(x)
(b) Consider the signal f(t) illustrated in the Figure Q.1 (b).
(i) Write the signal using a single analytical expression, with the aid of the unit
step function u(t).
(ii) Sketch w(t) = f(5-t) + 1.5f(t + 10)
(c) The signal f(t) from Figure Q.1 (b) goes through the proses as shown in Figure
Q.1(c). The sampling frequency is 400 Hz. Plot x[n], s[n] and z[n] with
complete labels.
-4
f(t) Sampling
f(t)
0
5
Figure Q.1 (b)
x[n]
t(ms)
Figure Q.1 (c)
→z[n]
↓
s[n] = [-1,3,2,1,0,4]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6f027827-2b15-4f5f-93e9-22c4a2ef0fbe%2F7553d3c8-5da2-4b88-9f70-c7c2875dfa66%2Fhnmyj2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:This question paper has TWO (2) pages. Answer all questions (Q.1 and Q.2)
Q.1 (a) Define each function as even, odd, or neither. Justify your answers.
(i) f(x) = ex
(ii) f(x) = x² sin(x)
(b) Consider the signal f(t) illustrated in the Figure Q.1 (b).
(i) Write the signal using a single analytical expression, with the aid of the unit
step function u(t).
(ii) Sketch w(t) = f(5-t) + 1.5f(t + 10)
(c) The signal f(t) from Figure Q.1 (b) goes through the proses as shown in Figure
Q.1(c). The sampling frequency is 400 Hz. Plot x[n], s[n] and z[n] with
complete labels.
-4
f(t) Sampling
f(t)
0
5
Figure Q.1 (b)
x[n]
t(ms)
Figure Q.1 (c)
→z[n]
↓
s[n] = [-1,3,2,1,0,4]
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