en

low pass filter

1

Terminological databases

Geoinformaatika

ID 1144236 Last modified 20.07.2026
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Domain geoinformatics & cartography
low-pass filter
  • siluv filter, mis tavaliselt põhineb naabruskonna rakslite väärtuste kaalutud keskmisel
Related
ülemmõiste
madalpääsfilter
Usage examples
  • Kaugseire mõjul nimetatakse siluvat filtrit madalpääsfiltriks (ingl low pass filter) ja erinevusi esile tõstvat – kõrgpääsfiltriks (ingl high pass ~). See on siiski vaid analoogia, mitte täpne vastavus, sest kaugseires on teised eesmärgid [...]
Good to know
  • Ruumilisi filtreid tuleks eristada signaalitöötluses kasutatavatest sagedusfiltritest.
low-pass filter
Usage examples
  • Low-pass filters are designed to emphasize low frequency features (large-area changes in brightness) and deemphasize the high frequency components of an image (local detail).
low pass filter
Usage examples
  • A low pass filter is the basis for most smoothing methods. An image is smoothed by decreasing the disparity between pixel values by averaging nearby pixels.

Neurofüsioloogia terminibaas

ID 634294 Last modified 31.12.2022
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high frequency filter
  • vooluringl, mis vähendab EEG kanali tundlikkust suhteliselt kõrgete sageduste suhtes (enamasti üle 70 Hz) või elimineerib need
high frequency filter

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