USER’S MANUAL__________________________________________________________________
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The "Filter Number" tells which filter definition slot is being modified, and
the "Filter Type" conveys the type of clutter filter to construct. The
command is then followed by additional XARGs that give the specific
filter parameters. Beginning with the Filter Type, the complete XARG list
is a struct rvp900SpecFiltIO ( See include/rvp900.h ) for each of the
following filter types.
Type:0 SPFILT_FIXED Fixed Width Spectral Filter
Legacy clutter filter inherited from the RVP6/7, specified by a width
parameter telling how many points to remove (center zero velocity point,
plus one side), plus an "Edge Points" parameter telling how many points to
minimize on each side of the gap to compute the end points of a linear
interpolation to fill the gap.
Type:1 SPFILT_VARIABLE Variable Width Spectral Filter
Similar to the fixed width filter except that the width parameter is
interpreted as a minimum width, and a third parameter indicates the
maximum width. The actual clutter gap width will be dynamically
determined at each bin based on the slopes of the spectral terms. Linear
interpolation of the gap (based on "Edge Points") is the same as above.
Type:2 SPFILT_VARLSQ Variable Width / Quadratic interpolation
Similar to the variable width filter except that quadratic gap interpolation
is used. This filter is experimental and should not be used.
Type:3 SPFILT_GMAP Gaussian Model Adaptive Processing Spectral
Filter
This is the RVP900 most advanced clutter filter, combining the best
techniques for determining the clutter gap width and restoring whatever
low-velocity spectral points are removed. This filter is characterized by a
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| | | | | | | | | | | | | | | | |
| | 0 0 0 0 0 0 0 1 1 1 1 1 | Command
|_______________|_______________________________________________|
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| | | | | | | | | | | | | | | | |
| | Filter # | Input 1
|___________________________________________________|___________|
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| | | | | | | | | | | | | | | | |
| Filter Type | XARG 1
|_______________________________________________________________|
.
.
Variable number of XARGS depending on Filter Type
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