Geoscience Reference
In-Depth Information
Electron Gordeyev integral (
λ
B
=3m)
0.5
0
−5
0.4
−10
−15
0.3
−20
−25
0.2
−30
−35
0.1
−40
0
−45
−1
−0.5
0
0.5
1
Frequency [kHz]
Fig. 10. Electron Gordeyev integral as functions of Doppler frequency and magnetic aspect
angle for radar Bragg wavelength
λ
B
=
3 m. An O+ plasma with electron density
10
12
m
−
3
, temperatures
T
e
=
N
e
=
T
i
=
1000 K, and magnetic field
B
o
=
25 ¯T is considered
(from Milla & Kudeki, 2011).
0.8
0.7
0.6
0.5
1
.
00
◦
0.4
0.3
0.2
1
1.5
2
2.5
3
T
e
/T
i
η
(
)
Fig. 11. Electron scattering efficiency factor
resulting from the frequency integration of
the collisional incoherent scatter spectra as a function of electron-to-ion temperature ratio
T
e
/
T
i
and magnetic aspect angle
k
10
12
m
−
3
,
T
i
=
=
α
. An O+ plasma with
N
e
1000 K, and
=
B
o
25 ¯T is considered (from Milla & Kudeki, 2011).
