Record that contains essential parameters for the vectored
signal filters. The number of filters is specified by
nFilter.
Note that all the signal filters have the same on/off control
signal, rising time, and initialization type, which are specified
by use_strokeTime, strokeTime and
initValve respectively. However, they can have
different initial valves, specified by
yValve_start.
strokeTime to 30 seconds so that it is the same
as for pumps. Otherwise, pumps may work against almost closed
valves.