speckle pattern

noun

Astronomy.

1. the visual appearance of a star as viewed through a large telescope, with irregularities caused by the distorting effect of local turbulence in the earth's atmosphere.

Word History and Origins

Origin of speckle pattern¹

First recorded in 1960–65

Example Sentences

Based on the speckle pattern generated by billions of electrons, machine-learning algorithms can calculate where the atoms were in the sample and what their shapes might be.

Read more on Scientific American

The researchers did so by fine-tuning a model until the speckle pattern it generated matched the experimentally produced one.

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“Most people hate pigeons, but if you observe them closely they’re beautiful,” he says, pointing out a white feather and an interesting speckle pattern.

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One limitation is that a stationary target would go unnoticed because it would not change the speckle pattern, and the method relies on tracking these changes.

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On the night of her husband’s election to office in 2008, she wore a Narciso Rodriguez dress in a fiery red-and-black speckle pattern.

Read more on The Guardian