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Paper: Time-Distance Envelope Widths: What Can They Tell Us?
Volume: 416, Solar-Stellar Dynamos as Revealed by Helio- and Asteroseismology: GONG 2008/SOHO 21
Page: 93
Authors: Armstrong, J. D.
Abstract: In the study of time-distance helioseismology, Gabor wavelets are fit to time-shifted cross correlations. Five parameters are fit: amplitude, phase travel time, group travel time, frequency and frequency width (envelope width). Typically only the phase and group travel time are analyzed. I discuss preliminary work to interpret the frequency width.
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