نتایج جستجو برای: whistler
تعداد نتایج: 978 فیلتر نتایج به سال:
9 Broadband whistler waves in the frequency range 7-10 kHz and 15-19 kHz, generated by 10 F-region CW HF ionospheric heating in the absence of electrojet currents, were detected 11 by the DEMETER satellite overflying the HAARP transmitter during HAARP/BRIOCHE 12 campaigns. The whistler waves are in a frequency range corresponding to the F-region 13 Lower-Hybrid (LH) frequency and its harmonic g...
OBJECTIVE The purpose of this study was to evaluate the symmetry in lip and vermillion height after using the double unilimb Z-plasty method for whistler deformity repair. DESIGN This is a retrospective audit of 1 surgeon's outcome of 52 consecutive performed whistler deformity repairs. SETTING Data from the Outreach Surgical Center Program, Lima, Peru, were used. PATIENTS Since 2009, 52 ...
This paper focuses on experimental evaluations designed to determine the relative quality of the components of the Whistler TTS engine. Eight different systems were compared pairwise to determine a rank ordering as well as a measure of the quality difference between the systems. The most interesting aspect of the results is that the simple unit duration scheme used in Whistler was found to be v...
Whistler emissions close to the magnetopause on the magnetospheric side are investigated using the four Cluster spacecraft. The waves are found to be generated in thin (electron-scale) sheets moving with the plasma drift velocity. A feature in the electron data coincides with the waves; hot magnetospheric electrons disappear for a few satellite spins. This produces or enhances a temperature ani...
Several cases of aerosol plumes resulting from trans-Pacific transport were observed between 2 km and 5.3 km at Whistler, BC from 22 April 2006 to 15 May 2006. The fine particle (<1μm) chemical composition of most of the plumes was dominated by sulphate that ranged from 1–5μg m−3 as measured with a Quadrapole Aerosol Mass Spectrometer (Q-AMS). Coarse particles (>1μm) were enhanced in all sulpha...
[1] The first fully three‐dimensional particle‐in‐cell (PIC) simulation of whistler turbulence in a magnetized, homogeneous, collisionless plasma has been carried out. An initial relatively isotropic spectrum of long‐wavelength whistlers is imposed upon the system, with an initial electron b = 0.10. As in previous two‐dimensional simulations of whistler turbulence, the three‐dimensional system ...
O n 2 July 2003, the International Olympic Committee (IOC) awarded Canada with the rights to host the 2010 Winter Games. The XXI Olympic and X Paralympic Winter Games took place from 12 to 28 February and from 12 to 21 March 2010, respectively, in the Vancouver, British Columbia, and Whistler, British Columbia, areas. The 2010 Winter Games showcased the highest-level competition at five indoor ...
A linear theory of whistler wave is developed wihtin the paradigm of a two dimensional incompressible electron magnetohydrodynamics model. Exact analytic wave solutions are obtained for a small amplitude whistler wave that exhibit magnetic field topological structures consistent with the observations and our simulations in linear regime. In agreement with experiment, we find that the parallel g...
We use the C/NOFS satellite’s Vector Electric Field Instrument (VEFI) to study the relationship of impulsive electron whistlers in the low-latitude ionosphere to lightning strokes located by the World-Wide Lightning Location Network (WWLLN). In order to systematize this work, we develop an automated algorithm for recognizing and selecting the signatures of electron whistlers amongst many Very L...
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