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प्रश्न
What is the line of sight communication?
उत्तर
Line of sight communication is a type of propagation that can transmit and receive data only where transmit and receive stations are in view of each other without any sort of an obstacle between them. FM radio, microwave and satellite transmission are examples of line of sight communication.
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संबंधित प्रश्न
Name the essential components of a communication system.
What are the three basic units in communication systems ? Write briefly the function of each of these.
Any device that converts one form of energy into another is termed as ______.
(A) amplifier
(B) transducer
(C) receiver
(D) demodulator
Draw the block diagram of a receiver in communication system
Explain the terms : Receiver in communication system
Write the functions of each of the following in communication system : Channel
What type of wave propagation is used in the basic mode of communication?
Write, giving a reason, the frequency range used in this mode of communication of propagation.
Name the type of waves which are used for line of sight (LOS) communication. What is the range of their frequencies?
A transmitting antenna at the tope of a tower has a height of 20 m and the height of the receiving antenna is 45 m. Calculate the maximum distance between them for satisfactory communication in LOS mode. (Radius of the Earth = 6.4 × 106 m)
Mention the function of any two of the following used
(i) Transducer
(ii) Repeater
(iii) Transmitter
(iv) Bandpass Filter
