Transmission bandwidth of fiber optic communication can be up to 100GHz
114) Transmission bandwidth of fiber optic communication can be up to
100 GHz
Related Electronic Devices and Communication MCQ with Answers
comparable to the wavelength???of the signal (at least??4)
To radiate signals with high efficiency, the antennas should have a size comparable to the wavelength???of the signal (at least??4)
attenuates the radiated signal as a result of energy absorption by it
Ground Wave propagation?is a method of radio frequency?propagation?that uses the area between the surface of the earth and the ionosphere for transmission. Theground wave?can?propagate?a considerable distance over the earth's surface particularly in the low frequency and medium frequency portion of the radio spectrum.
VLF few MHz
Ground Wave propagation?is a method of radio frequency?propagation?that uses the area between the surface of the earth and the ionosphere for transmission. Theground wave?can?propagate?a considerable distance over the earth's surface particularly in the low frequency and medium frequency portion of the radio spectrum.
reflects the radiated signal
n radio communication,?skywave?or skip refers to thepropagation?of radio?waves?reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere.