Agilent Technologies 35670A Especificaciones descargar pdf (Pagina 35)

AGILENT 35670A

Supplemental Operator’s Guide

Changing Frequency Span

Changing frequency span or resolution affects three important parameters in hammer

testing which must be changed to correspond to the new time record length: Trigger

Delay, Force Window Width, and Response Window Decay Time. The following

relationship between the parameters can be used as a guideline:

()

1024.

Where T is the time record length in seconds, N is the resolution in lines, and F is the

frequency span in Hz.

Delay T= 01.( )

ForceWidth

ExponentialDecay

When the frequency span is halved, the Time Record length doubles, as does the

Delay time, Force Width, and Exponential Decay. All three parameters should

change with the inverse of the change in frequency span.

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Agilent Technologies 35670A Especificaciones Pagina 35