IO 05b 2nde2019 ch12 fréquence AN (via représentat° temporelle)

Fill in the Blanks

​mesures :
T = 5,0 div
1 div -> 1,0ms
T = 5,0 x 1,0 ms = 5,0 ms = 5,0.10^-3 s

EL :
f = 1/T

AN :
f = 1/ (5,0.10^-3 s)
f = 200 Hz
f = 2,0.10^2 Hz

Fill in the Blanks

​mesures :
2T = 5,0 div
1 div -> 1,0ms
T = 5,0 x 1,0 ms/2 = 5,0/2 = 2,5 ms = 2,5.10^-3 s

EL :
f = 1/T

AN :
f = 1/ (2,5.10^-3 s)
f = 400 Hz
f = 4,0.10^2 Hz

Fill in the Blanks

​mesures :
8T = 8,0 div
1 div -> 10ms
T = 8,0 x 10 ms/8 = 10 ms = 1,0.10^-2 s

EL :
f = 1/T

AN :
f = 1/ (1,0.10^-2 s)
f = 100 Hz
f = 1,0.10^2 Hz