JYTEK PCIe-69834, User Manual

Page: 43 / 50

Operations 33
Table 3-7: Measurement Parameters
posovershoot
Peak distortion
following a valid
positive
transition
((local max – voltage high)/
amplitude)*100%
Double
negpreshoot
Peak distortion
preceding a
valid negative
transition
((local max – voltage high)/
amplitude)*100%
Double
negovershoot
Peak distortion
following a valid
negative
transition
((voltage low – local min)/
amplitude)*100%
Double
cyclemean
Arithmetic
average of
integral number
of points in one
period
(
∑ Waveform [i]/(points/period)
Double V
cyclerms
Rms of integral
number of
points in one
period
√
∑ Waveform [i]
2
/(points/period)
Double
fft_ampl FFT amplitude Double
V/
rms
fft_freq FFT frequency Double Hz
Parameter Descr. Comments Type Unit