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weber-fechner law

/ˈveɪbər ˈfɛxnər lɔː/

翻译: 心理物理学中的一个科学原理,认为感觉强度的变化与刺激强度的对数成正比,即感觉的变化量取决于刺激的初始强度。常表达为物理刺激与主观感觉之间的对数关系。

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/ˈveɪbər ˈfɛxnər lɔː/C1formalscientific
  • zh心理物理学中的一个科学原理,认为感觉强度的变化与刺激强度的对数成正比,即感觉的变化量取决于刺激的初始强度。常表达为物理刺激与主观感觉之间的对数关系。

A scientific principle in psychophysics stating that the perceived change in a stimulus is proportional to the initial intensity of the stimulus, often expressed as a logarithmic relationship between physical stimulus and perceived sensation.

  1. Psychophysical lawC2formal

    A principle in psychophysics stating that the perceived change in a stimulus is proportional to the logarithm of the actual change in intensity.

    zh韦伯-费希纳定律

    • The Weber-Fechner law explains why a small increase in light intensity is more noticeable in a dim room than in a bright one.
    • According to the Weber-Fechner law, the relationship between physical stimulus and perceived sensation is logarithmic.
    • Researchers use the Weber-Fechner law to study human perception of sound and light.