aprilg8888 said:Homework Statement
Sketch the single-side and double-sided amplitude and phase spectra of
Homework Equations
a) Xa(t)=5cos(12∏t-pi/6)
b)Xc(t)=4cos(8∏t)cos(12∏t)
The Attempt at a Solution
I have no idea how to start off this problem
Communication Theory is a branch of electrical engineering that deals with the study of information and how it is transmitted over various communication systems. It involves understanding the principles and techniques of sending and receiving signals through different mediums, such as wires, radio waves, and optical fibers.
The key components of Communication Theory include the transmitter, channel, and receiver. The transmitter converts the information into a signal that can be transmitted through the channel, which is the medium through which the signal travels. The receiver then decodes the signal and converts it back into the original information.
There are several types of communication systems, including analog and digital systems. Analog systems use continuous signals to transmit information, while digital systems use discrete signals. Other types of communication systems include wireless systems, satellite systems, and optical communication systems.
The applications of Communication Theory are vast and can be found in various fields, including telecommunications, networking, and information technology. It is also used in the development of advanced communication technologies, such as mobile phones, satellite communication, and internet services.
Some of the current research topics in Communication Theory include wireless communication, signal processing, error correction techniques, and information theory. Other areas of interest include the development of efficient and secure communication systems, as well as the integration of communication systems with other technologies, such as artificial intelligence and Internet of Things (IoT).