Which of the following communication transmission media is open space or free space?
In TV transmission, picture signal is ________ modulated.
FM transmitting and receiving equipment as compared to AM equipment is
_________is the reverse process of modulation, which is used to get back the original message signal
_________ is defined as the process by which some characteristics (i.e. amplitude, frequency, and phase) of a carrier are varied in accordance with a modulating wave
Time division multiplexing is used in _______
In _______ the sample values of the analog waveform are used to determine the width of the pulse signal
_________ is the equipment which converts physical message, such as sound, words, pictures etc., into corresponding electrical signal
Time division multiplexing is superior to Frequency division multiplexing because
In _________ communication transmission media is open space or free space
Which of the following are the disadvantages of Slope detector
__________ is equipment which converts electrical signal back to the physical message
Power in an FM signal is dependent on __________
Modulation is needed in a communication system to achieve the following basic needs