attenuation?(in some contexts also called extinction) is the gradual loss in intensity of any kind of flux through a medium. For instance, dark glassesattenuate?sunlight, lead?attenuates?X-rays, and water?attenuates?both light and sound.
98) Attenuation is
decrease in signal voltage and power in the channel
Related Electronic Devices and Communication MCQ with Answers
increase in voltage or power of an electrical signal
Amplification?may refer to: The operation of an amplifier, a natural or artificial device intended to make a signal stronger.?Amplify?(distributor), a NY-based all-rights film distributor.?Amplification?(rhetoric), a figure of speech that adds importance to increase its rhetorical effect.
is the largest distance between a source and a destination up to which the signal is received with sufficient strength.
Range of an electronic communication system is the largest distance between a source and a destination up to which the signal is received with sufficient strength.
is the frequency range over which an equipment operates or the portion of the spectrum occupied by the signal
Bandwidth?is also defined as the amount of data that can be transmitted in a fixed amount of time. For digital devices, the?bandwidth?is usually expressed in bits per second(bps) or bytes per second. For analog devices, the?bandwidth?is expressed in cycles per second, or Hertz (Hz).
superimposing low frequency message on a high frequency wave carrier
In electronics and telecommunications,?modulation?is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a?modulatingsignal that typically contains information to be transmitted.