echo detection

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• Détection des orages violents — Prévision des orages violents La prévision des orages violents est la partie de la météorologie d’exploitation qui tente de prévoir le développement, l intensité, le type de danger et les zones affectées par les orages pouvant donner de la grosse …   Wikipédia en Français

• Écho en crochet — Formation et dissipation d un écho en crochet (échos au centre de l image) à Kansas City (Missouri) L’écho en crochet est une signature caractéristique dans la forme des échos de réflectivité de bas niveau d’un nuage de type cumulonimbus dans les …   Wikipédia en Français

• echo sounder — noun a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return sonar is an acronym for sound navigation ranging asdic is an acronym for antisubmarine detection …   Useful english dictionary

• Echo-Ortung — Echoortung ist die Erkennung der Lage und Art von Objekten durch Aussenden von Schall oder Radiowellen und Analyse der von den Objekten reflektierten Wellen. Das Verfahren findet sowohl bei Tieren als auch in der Technik Anwendung. Prinzip der… …   Deutsch Wikipedia

• Convective storm detection — is the meteorological observation of deep, moist convection (DMC) and consists of detection, monitoring, and short term prediction. This term includes the minority of storms which do not produce lightning and thunder. Convective storms can… …   Wikipedia

• Bounded weak echo region — Vertical cross section through a supercell showing the BWER. The bounded weak echo region, also known as a BWER or a vault, is a radar signature within a thunderstorm characterized by a local minimum in radar reflectivity at low levels which… …   Wikipedia

• Bow echo — A bow echo is a term describing the characteristic radar return from a mesoscale convective system that is shaped like an archer’s bow. These systems can produce severe straight line winds and occasionally tornadoes, causing major damage.… …   Wikipedia

• Hook echo — [ 1999 Oklahoma tornado outbreak. It reached F5 strength on the Fujita scale.] [ Kansas City, Missouri.] The hook echo is one of the classical hallmarks of tornado producing supercell thunderstorms as seen on weather radar. The echo is produced… …   Wikipedia

• The Northern Echo — Typical Northern Echo front page Type Regional daily Format Compact (Tabloid) Owner …   Wikipedia

• Voice activity detection — (also known as speech activity detection or, more simply, speech detection) is an algorithm used in speech processing wherein the presence or absence of human speech is detected in regions of audio. The main uses of VAD are in speech coding and… …   Wikipedia

• Bidirectional Forwarding Detection — (BFD) is a network protocol used to detect faults between two forwarding engines. It provides low overhead detection of faults even on physical media that don t support failure detection of any kind, such as ethernet, virtual circuits, tunnels… …   Wikipedia