GDS-2000A Series User Manual 
74 
The Summation based on all 
data samples within the first 
cycle found in the gated 
region. 
Frequency of the waveform. 
Waveform cycle time. 
(=1/Freq) 
The time required for the 
leading edge of the first 
pulse to rise from the low 
reference value to the high 
reference value.  
The time required for the 
falling edge of the first pulse 
to fall from the high 
reference value to the low 
reference value. 
Ratio of signal pulse 
compared with whole cycle. 
=100x (Pulse Width/Cycle) 
Measures the number of 
positive pulses.  
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