Scenario 2: You work as a technical engineer in a company that designs and installs 4G and LTE (wireless cellular networks] solutions for mobile networks like Zain, Orange and Umniah. Your role includes designing and optimizing new communications solutions, which requires a good knowledge in sinusoidal signals and their properties. Throughout a new project, your manager has requested your feedback on the following cases. Task 1: An alternating current in a 4G signal transmitter is expressed as I = 5 sin(120nt + 0.52), I in mA, t in s, Find: A. The amplitude, period, frequency and phase shift (phase at time = 0, in degrees) of I B. The value of the current / at: iii. t= 1/30 iv. t 1/15 i.t=0 ii. t 1/60 What do you notice about your results? C. If the phase of the current / is 1 radians, what is the time at this instance.

Scenario 2: You work as a technical engineer in a company that designs and installs 4G and LTE (wireless cellular networks] solutions for mobile networks like Zain, Orange and Umniah. Your role includes designing and optimizing new communications solutions, which requires a good knowledge in sinusoidal signals and their properties. Throughout a new project, your manager has requested your feedback on the following cases. Task 1: An alternating current in a 4G signal transmitter is expressed as I = 5 sin(120nt + 0.52), I in mA, t in s, Find: A. The amplitude, period, frequency and phase shift (phase at time = 0, in degrees) of I B. The value of the current / at: iii. t= 1/30 iv. t 1/15 i.t=0 ii. t 1/60 What do you notice about your results? C. If the phase of the current / is 1 radians, what is the time at this instance.

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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Concept explainers

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.

Question

Scenario 2:
You work as a technical engineer in a company that designs and installs 4G and LTE (wireless cellular
networks] solutions for mobile networks like Zain, Orange and Umniah. Your role includes designing
and optimizing new communications solutions, which requires a good knowledge in sinusoidal signals
and their properties. Throughout a new project, your manager has requested your feedback on the
following cases.
Task 1:
An alternating current in a 4G signal transmitter is expressed as I = 5 sin(120nt + 0.52), I in mA, t in s,
Find:
A. The amplitude, period, frequency and phase shift (phase at time = 0, in degrees) of I
B. The value of the current / at:
iii. t= 1/30 iv. t 1/15
i.t=0 ii. t 1/60
What do you notice about your results?
C. If the phase of the current / is 1 radians, what is the time at this instance.

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