X-Stream Operator’s Manual
WM-OM-E Rev I 203
Period Period of a cyclic signal measured
as time between every other pair of
50% crossings. Starting with first
transition after left cursor, period is
measured for each transition pair,
with values averaged to give final
result.
Where: Mr is the number of
leading edges found, Mf the
number of trailing edges
found,
the time when
rising edge i crosses the x%
level, and the time when
falling edge i crosses the x%
level.
Standard parameter.
Period@level Period at a specified level and slope
for every cycle in waveform.
Reference levels and
edge-transition polarity
can be selected.
Hysteresis argument
used to discriminate
levels from noise in
data.
Available with JTA2,
AORM, ENET, SDA,
and XMAP options.
Standard in
DDA-5005A, SDA100G,
and WavePro 7000A
scopes.
Per Pulse Sym Symmetry of RZ pulse around eye
aperture center
Standard in SDA and
WaveExpert scopes.
Persist Area Area under mean persistence trace Standard in SDA and
WaveExpert scopes.
Persist Max Highest vertical value of input
persistence
Standard in SDA and
WaveExpert scopes.
Persist Mean Average of persistence data Standard in SDA and
WaveExpert scopes.
Persist Mid Mid level between Maximum and
Minimum data
Standard in SDA and
WaveExpert scopes.
Persist Min Lowest vertical value of input
persistence
Standard in SDA and
WaveExpert scopes.
Persist PkPk Difference between maximum and
minimum data values
Standard in SDA and
WaveExpert scopes.
Persist RMS Root mean square of persistence
data
Standard in SDA and
WaveExpert scopes.