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单词 point-spread function
释义

Definition of point-spread function in English:

point-spread function

noun
  • The spatial extent of the image of a point; a mathematical expression giving this for a particular optical system.

Origin

1950s.

Definition of point-spread function in US English:

point-spread function

noun
  • The spatial extent of the image of a point; a mathematical expression giving this for a particular optical system.

Origin

1950s.

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