TERMIUM Plus®
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COHERENT PROCESSING INTERVAL [1 record]
Record 1 - internal organization data 1982-01-07
Record 1, English
Record 1, Subject field(s)
- Aeroindustry
Record 1, Main entry term, English
- coherent processing interval
1, record 1, English, coherent%20processing%20interval
correct
Record 1, Abbreviations, English
- CPI 2, record 1, English, CPI
correct
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
(...), the MTD [Moving Target Detection] principle involves dividing up the entire radar coverage area into small range-azimuth cells - (...) called 'coherent processing intervals' (CPI). Eight pulses generated at a constant repetition frequency are assigned to each cell, and each return is subjected to Doppler filtering over a range of velocity values. The particular feature of MTD is its ability to measure the density of clutter and to detect the sudden presence of an additional element - such as an aircraft moving into a particular cell - even though it may have zero relative velocity on account of its tangential track. 1, record 1, English, - coherent%20processing%20interval
Record 1, French
Record 1, Domaine(s)
- Constructions aéronautiques
Record 1, Main entry term, French
- intervalle de traitement cohérent 1, record 1, French, intervalle%20de%20traitement%20coh%C3%A9rent
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Le principe du MTD [Moving Target Detection] est de diviser la zone couverte par le radar en secteurs définis en distance et en azimut (...) et appelés «intervalles de traitement cohérent» (ITC). A chaque secteur sont affectées huit impulsions émises selon une fréquence de répétition constante et chaque écho est soumis à un filtrage Doppler couvrant toute une gamme de vitesses. La caractéristique essentielle du MTD est son aptitude à mesurer la densité des échos parasites et à y détecter la présence soudaine de tout élément nouveau - tel qu'un aéronef entrant dans un secteur donné - même si sa vitesse relative est nulle du fait que sa trajectoire est tangentielle. 1, record 1, French, - intervalle%20de%20traitement%20coh%C3%A9rent
Record 1, Spanish
Record 1, Textual support, Spanish
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