One of the following type of noise becomes of great importance in high frequencies. It is the

The radio wavelength known as ____ falls within the medium frequency range.

What agency is responsible for allocating bands of frequencies and for setting limitations on broadcast power for different types of radio and TV operations?

The range of frequencies represented in a signal

White noise has _______ power spectral density.

Is the reduction of signal amplitude as it passed over the transmission medium?

The signal which is superimposed on a high-frequency sine wave is called _____.

Frequencies above _____ kHz, are referred to as the radio frequencies

Noise figure is a parameter that represents a ______ of the system

The frequency interval between two sounds whose frequency ratio is 10

Which communication application best describes movies, sports events, and other programs that are distributed to subscribers by fiber-optic and coaxial cable?

A passive circuit, usually consisting of capacitance and/or inductance, that is inserted in series with the a-c power cord of an electronic device which allow the 60-Hz current to pass and suppressed high frequency noise components.

What Is the reduction of signal amplitude as it passed over the transmission medium?

A portion in a communications system, which processes the information so that it will become suitable to the characteristic of the transmission medium

What distinguishes one electromagnetic wave form another?

The value of a resistor creating noise is doubled. The noise power generated is therefore

A passive circuit, usually consisting of capacitance and/or inductance, that is inserted in series with the a-c power cord of an electronic device which allow the 60-Hz current to pass and suppressed high frequency noise components.

A system having an input power of 2 mW an output power of 0.8 mW has a loss of:

Thermal noise in the communication system due to thermal electrons

Which parameter is referred to as receiver sensitivity?