sampling

échantillonnage

Choix d’un petit nombre de personnes ou de choses pour obtenir des informations sur un ensemble plus large.

En anglais simple : Choosing a small number of things or people to give information about a larger group.

• Careful sampling helps us study a large group.
• The team used random sampling to choose participants.
• Poor sampling can give a misleading picture.

Synonymes : sample selection

Expressions courantes : random sampling, sampling method, sampling of something

échantillon, sélection

Petite sélection qui donne une idée d’une collection ou d’un groupe plus vaste.

En anglais simple : A small selection that shows what a larger collection or group is like.

• We tasted a sampling of local cheeses.
• This shelf holds a small sampling of his books.
• The concert offered a sampling of music from several countries.

Comment l'utiliser : a sampling of something (The exhibition presents a sampling of her paintings.)

Synonymes : sample, selection

Expressions courantes : small sampling, sampling of something, representative sampling

échantillonnage statistique

Étude de membres choisis au hasard pour mieux connaître l’ensemble d’un groupe.

En anglais simple : Studying randomly chosen members of a group to learn about the whole group.

• Sampling allowed researchers to estimate the population size.
• The survey relied on sampling rather than interviewing everyone.
• Errors in sampling can affect the final results.

Synonymes : sample-based analysis

Expressions courantes : statistical sampling, population sampling, sampling error

échantillonnage

Mesure d’un signal électrique variable à intervalles réguliers pour l’enregistrer sous forme numérique.

En anglais simple : Measuring a changing electrical signal at regular times so it can be stored as digital information.

• The device uses a high sampling rate.
• Sampling converts the changing signal into a series of numbers.
• More frequent sampling preserves more detail in the recorded sound.

Expressions courantes : sampling rate, audio sampling, signal sampling