modulation temporelle

English translation: time modulation

13:11 Nov 21, 2023

French to English translations [PRO]
Science - Physics / Spectrometry

French term or phrase: modulation temporelle

Context:
L’ensemble spectromètre synchrone à phases multiples utilise la modulation temporelle du rayonnement optique à analyser pour mesurer sa distribution spectrale de puissance, c’est-à-dire son « spectre ».

Should this be "time" or "temporal"?
Both have been used
TIA Chris

Bashiqa KudoZ activity Questions: 876 (11 open) (10 without valid answers) (100 closed without grading) Answers: 895 France
Local time: 02:30

English translation:time modulation

Explanation:
I found the term to be translated from "time modulation" to "modulation temporelle" in this patent:
https://patentscope.wipo.int/search/fr/detail.jsf?docId=WO20...
https://patentscope.wipo.int/search/en/detail.jsf?docId=WO20...

Selected response from:

Kartik Isaac
Switzerland

Grading comment

Thank you.
4 KudoZ points were awarded for this answer

Summary of answers provided

4 +3

time modulation

Kartik Isaac

5 +1

-temporal modulation

Johannes Gleim

Summary of reference entries provided

time modulation

Kim Metzger

Discussion entries: 2

Answers

10 mins confidence:

peer agreement (net): +3

time modulation

Kartik Isaac
Switzerland
Works in field
Native speaker of:

English
PRO pts in category: 8

Grading comment

Thank you.

1 hr confidence:

peer agreement (net): +1

-temporal modulation

Explanation:
Christophe Martinsons, chef de la division Éclairage et Électromagnétisme au CSTB, nous parlera de la modulation temporelle des LED (fluctuations lumineuses liées aux variations du courant d’alimentation des LED), des effets visuels induits (papillotement, effet stroboscopique, effet de réseau fantôme), ainsi que des effets biologiques et sanitaires pour l’homme.
https://actandmatch.com/cluster_lumiere_modulation_temporell...

Modulation temporelle
Les télescopes à modulation temporelle modifient leur ouverture au cours du temps pour déterminer la distribution spatiale de la source.
https://www.researchgate.net/publication/278636062_Laue_lens...
(Note: reminds me spontaneously of amplitude modulation or Amplitude-Shift Keying)

In amplitude modulation, the amplitude (signal strength) of the wave is varied in proportion to that of the message signal, such as an audio signal. This technique contrasts with angle modulation, in which either the frequency of the carrier wave is varied, as in frequency modulation, or its phase, as in phase modulation.
:
The modulating message signal may be analog in nature, or it may be a digital signal, in which case the technique is generally called amplitude-shift keying.
https://fr.wikipedia.org/wiki/Modulation_d'amplitude

Amplitude-shift keying (ASK) is a form of amplitude modulation that represents digital data as variations in the amplitude of a carrier wave. In an ASK system, a symbol, representing one or more bits, is sent by transmitting a fixed-amplitude carrier wave at a fixed frequency for a specific time duration.
https://en.wikipedia.org/wiki/Amplitude-shift_keying

Spectral sensitivities were measured by a procedure of flicker threshold. The shape of the spectral sensitivity curve depends systematically on both the frequency and percentage of temporal modulation.
On mesure les sensibilités spectrales par une méthode de seuil de papillotement. La forme de la courbe de sensibilité spectrale dépend systématiquement à la fois de la fréquence et du pourcentage de modulation temporelle.
https://www.sciencedirect.com/science/article/abs/pii/004269...

Spatio-temporal modulation is another promising way for breaking reciprocity, and has been reported for a range of systems, including waveguides and metasurfaces [13,14,30–32]. In such systems, spatio-temporal modulation leads to unidirectional coupling between different guided and/or scattered modes of the system.
:
The mode is transmitted without any perturbation, whereas in the other propagation direction, the mode couples to other modes in the system leading to an effective signal isolation. Notably, in this case light is transmitted in both propagation directions; isolation is achieved by signal conversion to a different frequency in one of the directions followed by a damping-filter.
https://opg.optica.org/oe/fulltext.cfm?uri=oe-31-9-14278&id=...

Johannes Gleim
Local time: 02:30
Works in field
Native speaker of: German
PRO pts in category: 2

Reference comments

3 hrs peer agreement (net): +1

Reference: time modulation

Reference information:
Le traitement du signal micro-ondes basé sur une modulation temporelle fait référence aux technologies de traitement du signal où les propriétés du signal varient dans le temps, et ce grâce aux variations temporelles des paramètres physiques du système.

Time modulation based microwave signal processing refers to the signal processing technologies whose properties are time-varying introduced by the time variation of their physical parameters.
https://publications.polymtl.ca/5473/1/1858185_XiaoyiWang.pd...

Kim Metzger
Mexico
Native speaker of:

English

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