Attenuate definition, to weaken or reduce in force, intensity, effect, quantity, or value: to attenuate desire. I think I kind of understand, maybe a lot of my clients use attenuation to mean boosting or more but it’s really a loss or reduction in energy. another repeater or the end user). Attenuation is the loss of signal strength in networking cables or connections. When used by networking professionals, the word attenuation refers to the loss of signal strength due to external or internal factors. Attenuation is a telecommunications term that refers to a reduction in signal strength commonly occurring while transmitting analog or digital signals over long distances. ATTENUATION As the ultrasound beam travels through the body it loses energy. Let’s explore how attenuation occurs and what options are available to increase signal strength. Either way, wire insulation and temperature control are important to preserve wire strength. The attenuation theory is valid for X-rays and gamma rays as well. Most yeast strains attenuate in the range of 65 - 80%. Management of both attenuation and amplification is among the key skills and troubleshooting tasks of networking professionals. If your terminations are properly done and equal then the ratio of the output to input power or voltage is called attenuation. See more. Finally, the distance between the signal’s source and the end user is also a potential cause for attenuation. Listed below are some of the most common causes of signal attenuation. An example of “Attenuation artifact” observed in a nuclear stress test is due to the reduction in the intensity / strength of signal when it travels through various body tissues of different densities, such as breast tissues, chest wall, and organs under the diaphragm. Attenuators (circuits which attenuate a signal) may also be used to lower the level of a signal in an audio system to prevent overload and distortion. Simply so, what is breast attenuation? So when we attenuate, we’re losing and I guess it’s kind of hard and difficult to understand. Attenuation definition is - the act or process of attenuating something or the state of being attenuated: such as. More specifically, this range is the "Apparent" attenuation. What are the types of NAT? Reduction of signal strength during transmission. The faster the signal, the more productive and cost-efficient a company becomes. Attenuation is the loss of signal strength in networking cables or connections. Hot temperatures can cause signals to overheat, potentially even catching fire if the outside plastic melts away and the inside wire is exposed to flammable materials. Attenuation is a regulatory mechanism used in bacterial operons to ensure proper transcription and translation. Less efficient cables will struggle with signal attenuation, and networking administrators may need to adjust the cable or insert amplifiers or repeaters in order to boost the signal strength. Cables can come in many forms, including copper, fiber, satellite and more. Click to see full answer. frequencies, electrical currents, wire leakage or wireless signals. If the signal attenuates too much, it becomes unintelligible, which is why most networks require repeaters at regular intervals. check_circle Expert Answer. Check out a sample Q&A here. Attenuation can happen with any type of cable or wireless connection, including the following: While attenuation is the loss of signal strength, amplification boosts the strength of a signal. Want to see the step-by-step answer? After co-transcriptional endonucleolitical cleavage by Drosha 5'->3' exonuclease XRN2 may terminate further transcription by torpedo mechanism. Attenuation is a reduction or loss of intensity or energy. Attenuation is historically measured in decibels (dB) but is also measured in terms of voltage. Attenuation is defined as the decrease of a property of a substance, in this case density or specific gravity. The other factor in attenuation is the disruption of oscillating waves through scattering, or reflection.Scattering occurs when a wave is forced to change direction. Attenuation can cause issues for businesses of all sizes – especially international businesses with multiple offices across the globe. The intensity and amplitude of the sound wave decreases, and this process is known as attenuation. Flocculation is a desirable and important characteristic that is unique to brewers yeast. This can be occurred in wired as well as wireless transmissionsdue to signaling issues. A: Attenuation is the sum of losses in the conductor and in the dielectric that determine the exponential loss occurring to a signal during a transmission in a cable. Download the exam objectives for CompTIA Network+ to see all the topics the exam covers and check out The amount of attenuation that occurs will depend on the type of tissue the sound wave is traveling through. Research conducted on microRNA processing showed an evidence of attenuation process in Eukaryotes. Amplification can happen in a few different ways. Antennas typically work well with, or are required for, booster equipment. We hear this as an echo. CompTIA CertMaster Learn to dive in. Noise can come in the form of electromagnetic Attenuation artifacts vary among patients, but the most common corrections are to artifacts associated with breast attenuation in women and diaphragmatic attenuation in men. In transmitting electronic signals, attenuation is the loss of signal strength as measured in decibels (dB). Ready to learn more? Attenuation is the percentage of sugars yeast consume during fermentation. See Answer. Now the real attenuation in this case (that is, the actual percentage of sugars consumed) is more like 65 percent, but because alcohol is less dense than sugar water, the hydrometer makes it appear as if attenuation is greater than it really is. Attenuation in cables relates to the ratio in decibels of the output power (or voltage) to the input power (or voltage) when the load and source impedance are matched to the typical impedance of the cable. The more frequencies there are within a particular space, the more noise there is, which can further attenuate and hamper the signal’s Attenuation is the loss of detection of true coincidence events because of their absorption in the body or due to their scattering out of the detector field of view. When an X-ray is taken, part of the X-ray beam is absorbed and some is scattered by the anatomical structures. The magical art of yeast coming together, dropping to the bottom of a fermentor, is called flocculation. Repeaters take in the signal being sent, process it and then send out the signal stronger than before to the next waypoint (either A decrease in the level of a signal is referred to as attenuation. Attenuation is used when discussing X-ray images of the body. strength. It may cause signals to become distorted or indiscernible. The need to prevent unregulated and unnecessary gene expression can be prevented by attenuation, which is characterized as a regulatory mechanism. A broad range of the attenuation spectrum is shown, from microwave radiowaves to ultraviolet light. Attenuation problems are greater with PET imaging compared to traditional nuclear medicine SPECT imaging. noun the act of attenuating or the state of being attenuated. May be an actual lack of bloodflow or not, if it is, it may indicate a prior heart attack. methods available to modern businesses. Below are some of the best The further a transmission has to travel, the more noise it can experience along the way, thus causing attenuation. fullscreen. This is known as attenuation. Attenuation correction is a mechanism that removes soft tissue artifacts from SPECT images. In computer networking, internal software can help reduce the overall noise so that the signal isn’t too distorted. Each type of cable can handle different rates of transmission and different temperatures. For example, using shorter cables, or moving the end product closer to the signal source, can also help improve signal strength. As the high-energy photons pass through material, their energy is decreasing. Domain name system (DNS) amplification is another method, but this is typically related to network security systems and is used to amplify the signal to confuse a target server by flooding it with data. We use cookies that improve your experience with the website, keep statistics to optimize performance, and allow for interaction with other platforms. Attenuation is a general term that refers to any reduction in the strength of a signal. A network administrator is not only responsible for networking the environment, but to maintain the best efficiencies possible. For instance, signals transmitted from a cell tower to your phone can become distorted from increased attenuation as you walk around the corner of a building. attenuation: See: decrease , deduction , diminution , mitigation Consider how energy travels; most energy forms, whether sound, heat, light or radiation, travel in waves. Attenuation This term is usually given as a percentage to describe the percent of malt sugar that is converted by the yeast strain to ethanol and CO2. Sometimes called loss, attenuation is a natural consequence of signal transmission over long distances. attenuation A generic term for a reduction or diminution of activity, intensity, power or virulence of a reaction or effect, or an organism’s ability to grow and/or multiply. When measuring attenuation in a wired network, the greater the signal strength over a long distance, the more effective the cable is. This typically is measured in decibels (dB) or voltage and can occur due to a variety of factors. A term used in forms of radio graphic imaging, it denotes an actual or apparent lack of blood flow of the heart muscle potentially caused by the muscles that control the diaphragm. Besides the signal’s proximity to other cables or frequencies, the physical surroundings of a signal can also hamper its strength. This typically is measured in decibels (dB) or voltage and can occur due to a variety of factors. For more information please view our. 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