convolution

n. 回旋, 卷绕, 盘旋 [计] 卷积

发音

其它

词形变化

convolutions 复数 convolutions

释义与例句

n.
  1. 1.

    A twist or fold.

    可数 不可数
  2. 2.

    Any of the folds on the surface of the brain.

    可数 不可数
  3. 3.

    The shape of something rotating; a vortex.

    可数 不可数
  4. 4.

    The state or condition of being convoluted.

    可数 不可数
  5. 5.

    A mathematical operation on two functions that produces a third that expresses how the shape of one is modified by the other; the integral of the product of the two functions after one is reflected about the y-axis and shifted along the x-axis.

    卷积

    褶积

    可数 不可数 数学

    1934, Aurel Wintner, The proper method in dealing with distribution functions and their convolutions (“Faltungen”) is the method of Fourier transforms, first applied systematically by Levy in his book on the calculus of probability.

  6. 6.

    A function which maps a tuple of sequences into a sequence of tuples.

    可数 不可数 计算机 工程 数学
  7. 7.

    One 360° turn in a spring or similar helix.

    可数 不可数

词汇关系

名词

同义词 4

vortex whirl swirl gyrus

上位词 1

structure

整体词 1

cerebrum

相关短语

Titchmarsh convolution theorem

词源

Etymology tree Proto-Indo-European *ḱe Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Proto-Indo-European *welH-der. Proto-Italic *wolwō Latin volvō Latin convolvō Latin convolūtusbor. English -tion English convolution Borrowed from Latin convolutus (“to roll together”), past participle of convolvere, from con- + volvere (“to roll”), with the suffix -tion. Equivalent to convolute + -ion. The mathematical sense is a semantic calque from Faltung.

来源：wiktionary