What does the term attenuation mean in data communication?
Definition of Attenuation in Networking. Attenuation is the loss of signal strength in networking cables or connections. This typically is measured in decibels (dB) or voltage and can occur due to a variety of factors. It may cause signals to become distorted or indiscernible.
What does the term “attenuation” mean in data communication? loss of signal strength as distance increasestime for a signal to reach its destinationleakage of signals from one cable pair to anotherstrengthening of a signal by a networking deviceExplanation:Data is transmitted on copper cables as electrical pulses.
Attenuation is caused by passive media components such as cables, cable splices, and connectors. Although attenuation is significantly lower for optical fiber than for other media, it still occurs in both multimode and single-mode transmission.
Attenuation (dB)= 10 X log(PI/PO)
Where PI is input power and PO is the output power. PI is the power applied at one end of the cable, while PO is the wattage at the end of the cable.
Attenuation is a general term that refers to any reduction in the strength of a signal. Attenuation occurs with any type of signal, whether digital or analog. Sometimes called loss, attenuation is a natural consequence of signal transmission over long distances.
What does the term "attenuation" mean in data communication? loss of signal strength as distance increases.
To overcome the effects of attenuation distortion, communications circuits have special equalization equipment attached at the ends of the circuit or in between, designed to attenuate the signal evenly across the frequency spectrum, or to allow the signal to be received at equal amplitude for all frequencies.
(uh-TEN-yoo-way-ted) Weakened or thinned. Attenuated strains of disease-causing bacteria and viruses are often used as vaccines. The weakened strains are used as vaccines because they stimulate a protective immune response while causing no disease or only mild disease in the person receiving the vaccine.
Any loss in the strength on the signal because of resistance of the medium is called as attenuation. On the other hand, distortion is any alteration of the original signal induced by the attenuation, noise or any other type of interference.
In physics, attenuation (in some contexts, extinction) is the gradual loss of flux intensity through a medium. For instance, dark glasses attenuate sunlight, lead attenuates X-rays, and water and air attenuate both light and sound at variable attenuation rates.
What is the process of attenuation?
The process of attenuation involves the presence of a stop signal that indicates premature termination. The stop signal, referred to as the attenuator, prevents the proper function of the ribosomal complex, stopping the process.
Classically, attenuation occurs when the transcribed RNA upstream of an operon has the ability to fold into two mutually-exclusive RNA-fold structures, one which is termed an antiterminator and the other a terminator.
What Causes It? Noise. Extra noise on networks, like radio frequencies, electrical currents, and wire leakage, may interfere with the signal and cause attenuation. The more noise you have, the more attenuation you experience.
The most common way of dealing with this problem is to use repeaters (a device used to regenerate or replicate a signal)and hubs that will boost the signal strength ad hence prevent attenuation of the signals. This will also increase the maximum range that the signal can travel.
In measuring signals, attenuator pads or adapters are used to lower the amplitude of the signal a known amount to enable measurements, or to protect the measuring device from signal levels that might damage it. Attenuators are also used to 'match' impedance by lowering apparent SWR (Standing Wave Ratio).
attenuation. -the DECREASE in INTENSITY and AMPLITUDE of a sound wave as it travels through a medium and is absorbed. -the WEAKENING or reduction of the wave due to the interaction with the medium. -more body tissue, more attenuation.
| assuagement | decrease |
|---|---|
| rarefication | reduction |
| tempering | thinning |
| debilitation | depletion |
| devitalization | enfeeblement |
An example of attenuation is a Wi-Fi signal that becomes weaker the farther a device travels from the router. You measure signal attenuation in decibels (dB) per unit distance, such as a foot or mile.
Information signal propagates through a channel in communication system, some energy is dissipated in the medium due to which signal intensity decreases, this loss of energy is called attenuation.
: to lessen the amount, force, magnitude, or value of : weaken.
What are the types of attenuation?
Three types of attenuation exist: deliberate, environmental, and automatic attenuations. Attenuation can be calculated based on several parameters, such as power and voltage.
Attenuation is the reduction of the intensity of an x-ray beam as it traverses matter. The reduction may be caused by absorption or by deflection (scatter) of photons from the beam and can be affected by different factors such as beam energy and atomic number of the absorber.
Mechanisms of attenuation includereflection, scattering, interference, and absorption. Reflection is the key physical phenomenon that allows for information to return to the transducer as mechanical energy.
Attenuation depends on the frequency of the sound. The higher the frequency, the greater the amount of attenuation that will occur in any given tissue.
There are two different forms of intrinsic attenuation: absorption and scattering. Absorption describes the process of natural impurities, such as hydrogen ions, absorbing the light energy within the glass.
to make something less or weaker: Radiation from the sun is attenuated by the earth's atmosphere. They propose more peacekeeping troops to attenuate the violence.
According to Equation (9), the attenuation coefficient α is proportional to the square root of the frequency f. When the frequency increases, the attenuation coefficient in- creases as well. With the propagation of the elastic wave, high-frequency components are quickly absorbed.
Mode attenuation. The received bandwidth of the propagating leak noise will be governed by the characteristics of the input signal, attenuation due to leakage, attenuation due to material losses, and losses due to scattering when the waves interact with pipe joints and fittings as they propagate along the system.
The amplitude and intensity of ultrasound waves decrease as they travel through tissue, a phenomenon known as attenuation. Given a fixed propagation distance, attenuation affects high frequency ultrasound waves to a greater degree than lower frequency waves.
Attenuation is a second mechanism of negative feedback in the trp operon. While the TrpR repressor decreases transcription by a factor of 70, attenuation can further decrease it by a factor of 10, thus allowing accumulated repression of about 700-fold.
What are the three types of attenuation?
Three types of attenuation exist: deliberate, environmental, and automatic attenuations. Attenuation can be calculated based on several parameters, such as power and voltage.
Information signal propagates through a channel in communication system, some energy is dissipated in the medium due to which signal intensity decreases, this loss of energy is called attenuation.
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Which of the following answers is the best definition of data? Data are a collection of numbers, characters, or facts that are gathered according to some perceived need for analysis and possibly action at a later point in time.
Answers: Which of the following answers is the best definition of data? a. The definition of data is knowledge used appropriately to manage and solve problems.
The different types of attenuation are deliberate, automatic, and environmental. Deliberate type mainly occurs where the volume control is required to reduce the level of sound on electronic devices.