TOrderTracing Type

Summary

Order frequency is a predefined frequency, which always has a value of 1 on the frequency axis.

Declaration

TOrderTracing = (otNone, otFirstPeak,otNthPeak,otLargest);

Description

Order frequency can be specified absolutely in Hz or it can be specified relative to some marked peak. When order frequency is specified relative to a marked peak, this marked peak can be traced. Tracing means, that on each subsequent frequency spectrum recalculation, the frequency analyzer will recursivelly use the previous value of the frequency of the specified marked peak (otNthPeak) to search for the new nearest peak. Alternativelly the marked peak can also be specified as the largest found marked peak (otLargest). In this case, the previous value of the frequency for this peak is disregarded. Usually the largest peak is also the fundamental frequency. otFirstPeak can be used when examining the ratios between different frequency peaks. The first marked peak will define the order frequency.