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Fig. 12.1.
The analyzed series of
Pi
2 and concurrent ionospheric disturbances:
frames (
a, b
)-magnetograms of
H
and
D
components; (
c
)-variations of instantaneous
probing radio frequency from the transmitter at
f
0
=4
.
940 MHz; (
d, e, f
)-filtered
Doppler frequency shift, and
H
and
D
pulsation components. After [2]
instantaneous radio signal frequency due to a phase change in the received
signal is
z
0
1
2
π
dΦ
dt
2
f
r
c
d
dt
∆f
r
(
t
)=
−
=
−
µdz.
(12.4)
0
Substituting (12.4) into (12.2), find that the Doppler velocity
V
∗
is equal
to the derivative with respect to time from the radio signal phase path
z
0
c
2
∆f
f
r
d
dt
V
∗
(
t
)=
−
=
µdz.
(12.5)
0
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