
The total band of frequencies allocated for satellite communication is spread over
(A) $100\;MHz$
(B) $4\;GHz$
(C) $6\;GHz$
(D) None of these
Answer
124.8k+ views
Hint: Communication is the transfer of data from one point to different. Communication through an air medium by producing sound waves cannot reach long distances. Distant communication achieved new heights by the use of geostationary satellites.
Complete step by step solution:
Bandwidth can be defined as the frequency range over which equipment operates or the portion of the spectrum occupied by the signal. There is a particular frequency range for satellite communication. The frequency range varies from country to country. The frequency range means the range of the radio frequencies used to communicate to and from the satellite. The bandwidth of frequencies for satellite communication varies from $3\;KHz$ to $300\;GHz$. Within this range comes different communication systems like maritime navigation signals, different navigation aids, AM maritime radio, shortwave radio or radiotelephony, VHF TV, FM radio, navigation aids, UHF TV, cell phones, GPS, satellites or microwave telecommunications, radio astronomy radar landing systems, etc falls under this frequency.
Additional Information:
For communication voice, music, picture, computer data different frequency ranges are used for example, for speech signals ranging from $300\;Hz$ to $3100\;Hz$ is used hence the bandwidth will be $2800\;Hz$, for telephonic communication. For picture signals the bandwidth required is $4.2\;MHz$. The allocation of different spectrum for different media is done by the international telecommunication union.
Note:
The different transmission media require different bandwidth. A coaxial cable offers a bandwidth of $750\;MHz$. They are operated below $18\;GHz$. The optical fiber offers a bandwidth of $100\;GHz$. It is operated in the frequency range $1\;THz$ to $1000\;THz$ which is in the microwave to ultraviolet region.
Complete step by step solution:
Bandwidth can be defined as the frequency range over which equipment operates or the portion of the spectrum occupied by the signal. There is a particular frequency range for satellite communication. The frequency range varies from country to country. The frequency range means the range of the radio frequencies used to communicate to and from the satellite. The bandwidth of frequencies for satellite communication varies from $3\;KHz$ to $300\;GHz$. Within this range comes different communication systems like maritime navigation signals, different navigation aids, AM maritime radio, shortwave radio or radiotelephony, VHF TV, FM radio, navigation aids, UHF TV, cell phones, GPS, satellites or microwave telecommunications, radio astronomy radar landing systems, etc falls under this frequency.
Additional Information:
For communication voice, music, picture, computer data different frequency ranges are used for example, for speech signals ranging from $300\;Hz$ to $3100\;Hz$ is used hence the bandwidth will be $2800\;Hz$, for telephonic communication. For picture signals the bandwidth required is $4.2\;MHz$. The allocation of different spectrum for different media is done by the international telecommunication union.
Note:
The different transmission media require different bandwidth. A coaxial cable offers a bandwidth of $750\;MHz$. They are operated below $18\;GHz$. The optical fiber offers a bandwidth of $100\;GHz$. It is operated in the frequency range $1\;THz$ to $1000\;THz$ which is in the microwave to ultraviolet region.
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