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1
Theory of ionospheric waves
approximations (4.l3.la) and (4.l3.lb) are no longer valid especially when the
frequency is approaching the ionic gyrofrequency. In the neighborhood of ion
gyrofrequency, ions are expected to play an important role. Hence these waves
are ...
2
Mass-loading of the Jovian Magnetosphere by Io
On the first interval from 1737-1740 UT (inbound), there is a narrow spectral peak
at the SOj gyrofrequency with weaker power also extending down to the SO+
gyrofrequency. On the second interval from 1740-1743 UT (inbound), peak
power ...
3
Pulse Stimulated Radiation from a Plasma at Harmonics of the ...
After the second pulse radiation maxima arise at the gyrofrequency and its harmonics. In a situation where the time separation of these maxima is tau* (in the simplest case tau* = tau) at the fundamental, it is tau/n at the n-th harmonic.
Welhelm H. KEGEL, CALIFORNIA INST OF TECH PASADENA., 1966
4
X-Ray Spectroscopy in Astrophysics: Lectures Held at the ...
and the radiation is emitted at the gyrofrequency of the electron vK = eB/2irme.
One interesting aspect of this emission mechanism is the fact that its polarisation
properties are quite distinctive. In the non-relativistic case, there are no beaming
...
Jan van Paradijs, Johan A.M. Bleeker, 1999
5
Publications of the National Bureau of Standards
... permits extension of the concept of quasi-longitudinal and quasi-transverse
approximations to the entire frequency spectrum (fig. 2); propagation is
predominantly quadi-transverse at frequencies small compared with the ionic
gyrofrequency.
United States. National Bureau of Standards, Betty L. Oberholtzer, 1967
6
Antenna and Wave Propagation
A frequency of time period equal to the period of revolution of an electron in its
circular orbit under the influence of the earth's magnetic field of flux density B is
termed as gyrofrequency. Since for an electron the earth's magnetic flux density (
B) ...
7
High Energy Astrophysics
We can rewrite (8.16) using the fact that L rgθ 1 1 ≈ , (8.17) v v γωr ωg = = where
ωg is the non-relativistic angular gyrofrequency and ωr = ωg/γ the relativistic
angular gyrofrequency. We can also rewrite (1 − v/c)as ( 1 − v c ) = [1−(v/c)][1 + (v/
c)] ...
8
Introduction to Space Physics
(b) Dispersion when the electron plasma frequency is less than the electron
gyrofrequency. a magnetosphere are the R-X and L-O modes. These modes can
escape because there is no upper frequency limit to the dispersion curves. The
L-X ...
Margaret G. Kivelson, Christopher T. Russell, 1995
9
Motions in the Solar Atmosphere
The Local Gyrofrequency Electromagnetic radiation can be produced also by
particles accelerated when spiralling along magnetic field lines (cyclotron
mechanism) . The emission occurs at a characteristic frequency, the local
electron ...
Arnold Hanslmeier, Mauro Messerotti, 1999
10
Bibliography of the Ionosphere: An Annotated Survey Through 1960
Wanted station was 475 kc/s, disturbing station near gyrofrequency. Says solar
activity very important for gyrointeraction; finds effect weak or absent for Wolf's
number under 100. Cutolo, M. NATR0251 SELF-INTERACTION OF RADIO
WAVES ...
Laurence A. Manning, 1962
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gyrofrequency在以下新条目的上下文中是如何使用的。
Researchers identify zebra-like stripes of plasma in a patch of space
... to be a multiple, or harmonic, of a proton gyrofrequency — the frequency at which protons gyrate around the Earth's magnetic field line. «MIT News, 七月 15»
NASA funds NextSTEP deep space propulsion including 100 hour …
The injected microwaves' frequency is set to match this gyrofrequency and a resonance is established. The thruster itself is in the 20-50 kW ... «Next Big Future, 四月 15»
In situ multi-satellite detection of coherent vortices as a manifestation …
The DKA vortices are result of nonlinear interaction of coupled finite-amplitude, low-frequency (in comparison with the proton gyrofrequency) ... «Nature.com, 八月 05»
