TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
PULSE COMPRESSION [3 records]
Record 1 - internal organization data 2016-02-25
Record 1, English
Record 1, Subject field(s)
- Aeroindustry
Record 1, Main entry term, English
- pulse compression
1, record 1, English, pulse%20compression
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Pulse compression is employed to yield high resolution at long ranges and shallow slant angles, while the display can be "frozen" for detection and marking of targets. 1, record 1, English, - pulse%20compression
Record 1, French
Record 1, Domaine(s)
- Constructions aéronautiques
Record 1, Main entry term, French
- compression des impulsions
1, record 1, French, compression%20des%20impulsions
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- compression d'impulsions 1, record 1, French, compression%20d%27impulsions
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La compression des impulsions permet d'obtenir une très bonne résolution même aux grandes distances et aux angles très ouverts. Les images peuvent être gelées pour la détection et le marquage des cibles. 2, record 1, French, - compression%20des%20impulsions
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2007-01-31
Record 2, English
Record 2, Subject field(s)
- Remote Sensing
Record 2, Main entry term, English
- pulse compression
1, record 2, English, pulse%20compression
correct, officially approved
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The use of special forms of frequency, phase, or amplitude modulation to permit a radar system to achieve higher range resolution than that normally permitted by a given pulse duration. 2, record 2, English, - pulse%20compression
Record number: 2, Textual support number: 1 CONT
Pulse Compression. In collecting the SAR data, a long-duration linear FM [frequency modulation] pulse is transmitted. This allows the pulse energy to be transmitted with a lower peak power. The linear FM pulse has the property that, when filtered with a matched filter, the result is a narrow pulse in which all the pulse energy has been collected to the peak value. Thus, when a matched filter is applied to the received echo, it is as if a narrow pulse were transmitted, with its corresponding range resolution and signal-to-noise ratio. 3, record 2, English, - pulse%20compression
Record number: 2, Textual support number: 1 OBS
pulse compression: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG). 4, record 2, English, - pulse%20compression
Record 2, French
Record 2, Domaine(s)
- Télédétection
Record 2, Main entry term, French
- compression d'impulsion
1, record 2, French, compression%20d%27impulsion
correct, feminine noun, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Traitement en distance [-] compression d'impulsion. Pour obtenir une résolution en distance satisfaisante (de l'ordre de quelques mètres) il est nécessaire que l'impulsion ait une durée d'émission très brève (quelques nano-secondes). Or, une telle durée conduirait à émettre une impulsion de puissance très élevée afin d'obtenir en retour un signal suffisant compte tenu des amortissements lors du trajet, du coefficient de rétrodiffusion des cibles, et des traitements au niveau de l'antenne [...]. Les valeurs d'énergie nécessaires sont difficilement compatibles avec les instruments satellitaires disponibles. La finesse de résolution est donc obtenue en utilisant une technique dite de modulation de fréquence. Un signal de durée d'émission importante (quelques micro-secondes) est utilisé, permettant ainsi d'augmenter l'énergie transmise; ce signal est modulé linéairement en fréquence afin d'occuper une plus grande largeur de bande. 2, record 2, French, - compression%20d%27impulsion
Record number: 2, Textual support number: 1 OBS
compression d'impulsion : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR). 3, record 2, French, - compression%20d%27impulsion
Record 2, Key term(s)
- compression des impulsions
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Teledetección
Record 2, Main entry term, Spanish
- compresión de impulsos
1, record 2, Spanish, compresi%C3%B3n%20de%20impulsos
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1996-04-09
Record 3, English
Record 3, Subject field(s)
- Range Measurements (Telecommunications)
Record 3, Main entry term, English
- pulse compression
1, record 3, English, pulse%20compression
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, French
Record 3, Domaine(s)
- Mesures à distance (Télécommunications)
Record 3, Main entry term, French
- compression des impulsions
1, record 3, French, compression%20des%20impulsions
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
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