Podcast
Questions and Answers
Signal attenuation is proportional to the square of the ______ between the transmitter and receiver.
Signal attenuation is proportional to the square of the ______ between the transmitter and receiver.
distance
Noise is random, undesirable electronic energy that enters the communication system and interferes with the transmitted ______.
Noise is random, undesirable electronic energy that enters the communication system and interferes with the transmitted ______.
message
The telephone is an example of ______ duplex communication.
The telephone is an example of ______ duplex communication.
full
Channel bandwidth refers to the range of frequencies required to transmit the desired ______.
Channel bandwidth refers to the range of frequencies required to transmit the desired ______.
Signup and view all the answers
Today, virtually the entire frequency spectrum between approximately 30 kHz and 300 MHz has been ______ for.
Today, virtually the entire frequency spectrum between approximately 30 kHz and 300 MHz has been ______ for.
Signup and view all the answers
Communication engineering is devoted to making the best use of that finite ______.
Communication engineering is devoted to making the best use of that finite ______.
Signup and view all the answers
Spectrum management is provided by agencies set up by the United States and other countries to control ______ use.
Spectrum management is provided by agencies set up by the United States and other countries to control ______ use.
Signup and view all the answers
Infrared radiation is produced by any physical equipment that generates ______, including our bodies.
Infrared radiation is produced by any physical equipment that generates ______, including our bodies.
Signup and view all the answers
Just above the infrared region is the visible spectrum we refer to as ______.
Just above the infrared region is the visible spectrum we refer to as ______.
Signup and view all the answers
Ultraviolet is not used for ______ communication.
Ultraviolet is not used for ______ communication.
Signup and view all the answers