A filter is uscd to enhance the quality of a mobile-phone signal by simply subtracting unwanted signals from the main one. The signal that we want to deliver to the customer is sin(30), the signal with the noisy components is 3sin(8), and the noise to be removed is 4 sin (e). A. Show that the following equation holds using the identities of circular functions [Useful signal = total signal – noise): sin(30) = 3 sin(8) – 4 sin (0) B. Let e = 1xt, where 1 is the angular frequency (w) in rad/s and t is the time in seconds. Using MATLAB, plot on the same figure sin(30), 3sin(8), and 4 sin (0).
A filter is uscd to enhance the quality of a mobile-phone signal by simply subtracting unwanted signals from the main one. The signal that we want to deliver to the customer is sin(30), the signal with the noisy components is 3sin(8), and the noise to be removed is 4 sin (e). A. Show that the following equation holds using the identities of circular functions [Useful signal = total signal – noise): sin(30) = 3 sin(8) – 4 sin (0) B. Let e = 1xt, where 1 is the angular frequency (w) in rad/s and t is the time in seconds. Using MATLAB, plot on the same figure sin(30), 3sin(8), and 4 sin (0).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Answer Task 2, please.
Transcribed Image Text:A filter is uscd to enhance the quality of a mobile-phone signal by simply subtracting unwanted signals from
the main one. The signal that we want to deliver to the customer is sin(30), the signal with the noisy
components is 3sin(8), and the noise to be removed is 4 sin (e).
A. Show that the following equation holds using the identities of circular functions [Useful signal = total
signal – noise):
sin(30) = 3 sin(8) – 4 sin (0)
B. Let e = 1xt, where 1 is the angular frequency (w) in rad/s and t is the time in seconds. Using
MATLAB, plot on the same figure sin(30), 3sin(8), and 4 sin (0).
Expert Solution
Solution: (A)
Further it follows,
Solution (B):
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