@@ -845,6 +845,9 @@ For GRAD\_FILT\_WAVELENGTH = 1 (and TIME\_FILT=1) a new wavelength dependent fil
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@@ -845,6 +845,9 @@ For GRAD\_FILT\_WAVELENGTH = 1 (and TIME\_FILT=1) a new wavelength dependent fil
\end{equation}
\end{equation}
where F\_LOW\_PASS is the corner frequency of TIME\_FILT and A is a weighting factor.
where F\_LOW\_PASS is the corner frequency of TIME\_FILT and A is a weighting factor.
\ \\
WARNING: The option GRAD\_FILTER uses a median filter that makes use of a quicksort routine. Under some (unknown) conditions this can take a huge amount of time and corrupt the inversion.
\section{Model manipulation}
\section{Model manipulation}
\subsection{Limits for the model parameters}
\subsection{Limits for the model parameters}
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@@ -908,3 +911,6 @@ Default values are:
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@@ -908,3 +911,6 @@ Default values are:
\end{verbatim}}}
\end{verbatim}}}
If MODEL\_FILTER = 1 vp- and vs-models are smoothed with a 2D median filter after every iterationstep. With FILT\_SIZE you can set the filter length in gridpoints.
If MODEL\_FILTER = 1 vp- and vs-models are smoothed with a 2D median filter after every iterationstep. With FILT\_SIZE you can set the filter length in gridpoints.
\ \\
WARNING: The option MODEL\_FILTER uses a median filter that makes use of a quicksort routine. Under some (unknown) conditions this can take a huge amount of time and corrupt the inversion.
