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: http://star.arm.ac.uk/~csj/idl/IDL_primitives.html
Дата изменения: Wed Aug 22 19:06:24 2007
Дата индексирования: Tue Oct 2 04:31:09 2012
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Поисковые слова: trees
Primitive Routines
ew_extract, w, t, f, ew
extract equivalent widths ew(t) from 2d spectrum f(w,t)
eqw_calc, w, f, ew
compute equivalent widths from normalized spectra
* fft_filter, original, t, g_cen, g_sig, filtered
smooth a function with a gaussian filter
gauss_filter, n, t, g_cen, g_sig, freqs, filter
compute a gaussian filter for applying to a FFT
lp_moment, v, p, v_rest, mom
calulate moments of a line profile
dft_period, t,f,frq,dft,clean_mode
compute periodogram dft(frq) from a light curve f(t). Use CLEAN if clean_mode
= 1.
prbola, xv, yv, a, as, t, ts, is, fit
fit a parabola fit(xv) to an arbitrary function yv(xv)