Examen de traitement du signal et automatique Traitement du signal

pi, i ∈[1, n]
x1x2x3x4x5x6

Φ [0,2π[
X(t) Φ X(t)
Y(t) = X(t) cos(2πνot+φ)
νo
Y(t)
ΓY(t, t +τ)Y(t)X(t)
ΓX(τ)
SY(ν)Y(t)
X(t)
RC
Rv(t)
C
T
v(t)
H(ν)
v(t)

∆ν
∆ν=1
max|H(ν)|2Z+∞
0|H(ν)|2dν .
tan θ= 2πνRC
v(t)

r(t) = 1
√aexp −|t|
a
s(t) = A×r(t−t0) + b(t)
A b(t)N0/2
t0s(t)
h(t) = 1
√`Π`(t)
Π`(t) = 1t∈[−`/2, `/2]
0
h(t)
t0s(t)
h(t)
`
f(x) = 1
xh1−exp −x 2i2