TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

FOLD-OVER DISTORTION [1 record]

Record 1 2002-03-28

English

Subject field(s)
  • Electronic Measurements
  • Architecture
  • Geological Research and Exploration
  • Ultrasonography
DEF

Phenomenon in which a sampled signal is degraded by false lower frequency components. Normally caused by sampling data at an insufficient rate.

Key term(s)
  • fold-over distortion

French

Domaine(s)
  • Mesures électroniques
  • Architecture
  • Recherches et prospections géologiques
  • Ultrasonographie
DEF

Distorsion d'un signal dans un pas d'échantillonnage inadéquat : un signal étant rarement pur, des harmoniques (Fh) ou des signaux parasites vont se combiner avec la fréquence d'échantillonnage pour donner naissance à des fréquences d'intermodulation [...]

Spanish

Campo(s) temático(s)
  • Medidas electrónicas
  • Arquitectura
  • Investigaciones y prospecciones geológicas
  • Ecografía
DEF

Introducción de error en una señal cuando la velocidad de muestreo es menor que el mínimo requerido por el ancho dde banda de la señal, debido al solapamiento de los componentes de la frecuencia lateral resultante que se centra en la frecuencia de muestreo y en sus armónicos.

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