periodAnalysisPlugins.add(new DcDftPeriodRangePeriodAnalysisPlugin());
periodAnalysisPlugins
.add(new WeightedWaveletZTransformWithFrequencyRangePlugin());
periodAnalysisPlugins
.add(new WeightedWaveletZTransformWithPeriodRangePlugin());
// Next, add all external period analysis plugins.
for (IPlugin plugin : plugins) {
if (plugin instanceof PeriodAnalysisPluginBase) {
periodAnalysisPlugins.add((PeriodAnalysisPluginBase) plugin);