San Francisco State University Physics and Astronomy
Department
SFSU Pacific Oceanography
Project
SFSU Private Area. WARNING: Material on this
page is work
in progress; results and conclusions may change without notice.
(
research
|PSM home
|P&A Dept
|SFSU
|
software
)
Plots of spectrogram slope versus
central frequency from least-squares fit,
for convergent events with nchi2 < .7 ("good").
Of 4016 events, 2899 were "good convergent."
| Slope of spectrogram alpha versus central
frequency f0, large scale (all events on the plot). The
numbers in the upper-right-hand corner of each plot are: total number
of events, number of events on the plot, (and, for the 1-D plots) mean
and standard deviation for the distribution.
This sample consists of convergent events with nchi2 < .7
("good."). |
 |
| f0 vs alpha, blowup
in alpha. There are interesting off-frequency events which seem to
be good fits; they are near alpha = 0, and may correspond to constant-
frequency interference. |
 |
| f0 vs alpha, blowup.
|
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| f0 vs alpha, central.
|
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IDL program rdfit.pro used to read in
data from least-squares fits.
IDL program plotbw2 used to make the
graphs above.