TERMIUM Plus®

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

NORMAL IMPACT EFFECT [1 record]

Record 1 1999-03-15

English

Subject field(s)
  • Radio Interference
  • Radar, Radio Guidance and Goniometry
  • Surveillance, Detection and Reconnaissance (Military)
DEF

The increased intensity of a line or group of returns on the radarscope occurring when the radar beam is perpendicular to the rectangular surface of a line or group of similarly aligned features in the ground pattern.

OBS

cardinal point effect; normal impact effect: terms and definition standardized by NATO.

French

Domaine(s)
  • Perturbations radio
  • Radar, radioguidage et radiogoniométrie
  • Surveillance, détection et reconnaissance (Militaire)
DEF

Phénomène provoquant l'apparition sur l'écran radar d'une ligne ou d'une zone d'échos d'intensité renforcée. Il se produit lorsque le faisceau est perpendiculaire à des surfaces planes alignées ou groupées dans le volume balayé par le radar.

OBS

effet de enforcement d'echos; effet d'incidence normale : termes et définition normalisés par l'OTAN.

Spanish

Campo(s) temático(s)
  • Perturbaciones radioeléctricas
  • Guía radárica, radioguía y radiogoniometría
  • Vigilancia, detección y reconocimiento (Militar)
DEF

Intensidad creciente de una línea o grupo de ecos que se proyectan en la pantalla radar, producida cuando el haz radar incide perpendicularmente en una superficie rectangular o grupo de accidentes del terreno, alineados de forma similar.

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