Computer Science – Sound
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsm41b1187c&link_type=abstract
American Geophysical Union, Fall Meeting 2005, abstract #SM41B-1187
Computer Science
Sound
2407 Auroral Ionosphere (2704), 2467 Plasma Temperature And Density, 2471 Plasma Waves And Instabilities (2772), 2483 Wave/Particle Interactions (7867), 2487 Wave Propagation (0689, 3285, 4275, 4455, 6934)
Scientific paper
The sounding rocket SIERRA (Sounding of the Ion Energization Region: Resolving Ambiguities) was launched duing a rocket campaign at the Poker Flat, Alaska, rocket range (65.13° W) on January 14, 2002. It reached an apogee of 735 km at approximately 500 s into the flight. A high frequency electric field instrument (HFE) provided by Dartmouth College was included in the payload. The HFE continuously measured the full electric field waveform up to 5 MHz and transmitted it to the ground via a wide band analog telemetry. Among the wavesforms detected by the HFE was a new signature that we term "swishers," time-dispersed signals at 1.2 to 1.6 MHz in which the higher frequencies were observed first and the lower frequencies observed delayed by tens of milliseconds. Several dozen of these waveforms were detected during a 20 second span on the upleg of the flight, when the rocket was in an underdense region (fpe
Colpitts C. A.
Samara M.
Yoon Peter
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