Complex sentence: TDEV (time deviation) is a metric often used to determine an aspect of the quality of timing signals in telecommunication applications and is a statistical analysis of the phase stability of a signal over a given period of time.
Split into simpler sentences: TDEV (time deviation) is a metric often used to determine an aspect of the quality of timing signals in telecommunication applications. TDEV is a statistical analysis of the phase stability of a signal over a given period of time.