Keysight Technologies DSO-X 2002A, Руководство пользователя

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290 Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide
22
Reference
Waveform Header It is possible to store more than one waveform in the file, and each waveform
stored will have a waveform header. When using segmented memory, each
segment is treated as a separate waveform. The waveform header contains
information about the type of waveform data that is stored following the waveform
data header.
Header Size A 32-bit integer that is the number of bytes in the header.
Waveform Type A 32-bit integer that is the type of waveform stored in the file:
• 0 = Unknown.
• 1 = Normal.
• 2 = Peak Detect.
• 3 = Average.
• 4 = Not used in InfiniiVision oscilloscopes.
• 5 = Not used in InfiniiVision oscilloscopes.
• 6 = Logic.
Number of
Waveform
Buffers
A 32-bit integer that is the number of waveform buffers required to read the
data.
Points A 32-bit integer that is the number of waveform points in the data.
Count A 32-bit integer that is the number of hits at each time bucket in the waveform
record when the waveform was created using an acquisition mode like
averaging. For example, when averaging, a count of four would mean every
waveform data point in the waveform record has been averaged at least four
times. The default value is 0.
X Display Range A 32-bit float that is the X-axis duration of the waveform that is displayed. For
time domain waveforms, it is the duration of time across the display. If the value
is zero then no data has been acquired.
X Display Origin A 64-bit double that is the X-axis value at the left edge of the display. For time
domain waveforms, it is the time at the start of the display. This value is treated
as a double precision 64-bit floating point number. If the value is zero then no
data has been acquired.
X Increment A 64-bit double that is the duration between data points on the X axis. For time
domain waveforms, this is the time between points. If the value is zero then no
data has been acquired.