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3
MaxFilter parameters
Figure 3.1 Setting the expansion origin and coordinate frame.
Note: If the origin is set outside of the sensor array or closer than 5 cm to
the nearest sensor the program reports an error and terminates.
3.2 Harmonic basis functions
MaxFilter evaluates the harmonic basis functions for all MEG sensors.
The default orders of the harmonic expansions are set to L in = 8 and
L out = 3 which have turned out sufficient in most practical applications
(see the publications listed on page 7).
You can change the expansion orders by selecting Dimensions from the
Filter menu (Figure 3.2).
Figure 3.2 Setting the expansion orders.
On command line you can change the orders with the options -in L in
and -out L out .
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2006-10-31
NM21993A