La période de ce signal périodique est égale à :

spectre d 'amplitude1

Quiz
•
Physics
•
2nd Grade
•
Medium
Used 32+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
50 ms
15 ms
10 ms
5 ms
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La fréquence de ce signal est de :
0,6 s
1,56 Hz
15,6 Hz
1560 Hz
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le spectre d'amplitude de ce signal est constitué :
d'un fondamental
d'un fondamental et de l'harmonique de rang 2.
d'un fondamental et d'une valeur moyenne non nulle.
impossible de répondre. Il faut faire les calculs ou utiliser un logiciel pour répondre.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
L'équation de cette tension sinusoïdale est:
u(t) = 1,5 sin ( 94200 t )
u(t) = 3 sin ( 66,7 t )
u(t) = 1,5 sin ( 942 t )
u(t) = 3 sin ( 94200 t )
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La pulsation de ce signal est :
= 628 rad/s
=50 Hz
=314 rad/s
= 5
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Voici le spectre d'un signal périodique. Ce signal est constitué de:
3 sinusoïdes
4 sinusoïdes
2 sinusoïdes
0 sinusoïde
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La bande passante de ce signal est de:
400 Hz
3,08
300 Hz
3,18
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