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Processing of Test Signals
Tuesday, 25 January 2011

Get the Most Out Of Your Test Data.
 

Rainflow Counting.
The rainflow-counting algorithm is used in the analysis of fatigue data in order to reduce a randomly varying stress into a set of simple stress reversals. It is required to allow the application of Miner's rule in order to assess the fatigue life of a structure subject to complex loading.

Spectral Analysis
A time domain graph shows how a signal changes over time, whereas a frequency domain graph shows how much of the signal lies within each given frequency band over a range of frequencies. A time frequency plot is particularly useful when cyclic loads are run up from start to maximum speed. It can be used to determine which modes of vibration are significant.

 

Filtering
Filtering signals can be particularly useful to remove the effect of signal drifting or remove high frequency noise.

 

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