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decibel    音標拼音: [d'ɛsəb,ɛl]


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英文字典中文字典相關資料:
  • Decibel - Wikipedia
    The decibel is useful for representing large ratios and for simplifying representation of multiplicative effects, such as attenuation from multiple sources along a signal chain
  • Decibel (dB) | Definition, Formula, Facts | Britannica
    A decibel (dB) is a unit for expressing the ratio between two amounts of electric or acoustic power or for measuring the relative loudness of sounds
  • Levels Of Noise In Decibels (dB) Level Comparison Chart
    To express levels of sound meaningfully in numbers that are more manageable, a logarithmic scale is used, rather than a linear one This scale is the decibel scale A noise level chart showing examples of sounds with dB levels ranging from 0 to 180 decibels
  • What Are Decibels, and How Are They Measured? | HowStuffWorks
    Decibels serve as the universal yardstick for measuring sound intensity, capturing the vast range of audible sounds that the human ear can detect From the whisper-quiet rustle of leaves to the roaring blast of a jet engine, this logarithmic scale provides a nuanced way to understand sound levels
  • How Loud Is Too Loud? A Complete Guide to Safe Noise Levels in Decibels
    Learn what decibel levels are safe for your hearing and how to protect yourself from everyday noise exposure A must-read guide for better ear health
  • What is decibel (dB)? - howengineeringworks. com
    A decibel (dB) is a unit used to measure the intensity or level of sound It expresses the ratio between two quantities, such as sound power or sound pressure, on a logarithmic scale
  • Understanding the Decibel dB - Formula, Definition, Calculations
    The deciBel is widely used for measuring sound intensity or sound pressure level For this the sound is referred to a pressure of 0 0002 microbars which equates to the standard for the threshold of hearing
  • What is a decibel (dB)? - RapidTables. com
    Decibel (Symbol: dB) is a logarithmic unit that indicates ratio or gain Decibel is used to indicate the level of acoustic waves and electronic signals The logarithmic scale can describe very big or very small numbers with shorter notation
  • How To Understand The Unit Of Decibels (Simple explanation)
    A decibel (dB) is a unit used to measure the intensity or power level of sound or signal It represents the logarithmic ratio between the measured value and a reference value, typically the threshold of human hearing
  • DECIBEL definition in American English | Collins English Dictionary
    decibel in American English (ˈdɛsəbəl, ˈbɛsəˌbɛl) nounOrigin: deci- + bel 1 acoustics a numerical expression of the relative loudness of a sound: the difference in decibels between two sounds is ten times the common logarithm of the ratio of their power levels 2 electronics and radio a numerical expression of the relative differences in power levels of electrical signals equal to





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