10 SDA-OM-E Rev H
Waveform Qualifier Setup ..................................................................................................... 178
Waveform Math ................................................................................................. 178
Introduction to Math Traces and Functions ............................................................... 178
MATH MADE EASY .................................................................................................. 179
Setting Up a Math Function .................................................................................................. 179
Resampling To Deskew ............................................................................................ 180
Resampling ........................................................................................................................... 180
Rescaling and Assigning Units .................................................................................. 180
Rescaling Setup ........................................................................................................ 182
Averaging Waveforms ............................................................................................... 182
Summed vs. Continuous Averaging ..................................................................................... 182
Continuous Averaging Setup ................................................................................................ 184
Summed Averaging Setup .................................................................................................... 184
Enhanced Resolution ................................................................................................ 184
How the Instrument Enhances Resolution ............................................................................ 184
Enhanced Resolution (ERES) Setup ......................................................................... 187
Waveform Copy ......................................................................................................... 187
Waveform Sparser .................................................................................................... 187
Waveform Sparser Setup ...................................................................................................... 188
Interpolation ............................................................................................................... 188
Interpolation Setup ................................................................................................................ 188
Fast Wave Port .......................................................................................................... 188
Fast Wave Port Setup - Initial ............................................................................................... 189
Setup - Case 1 ...................................................................................................................... 190
Setup - Case 2 ...................................................................................................................... 190
Setup - Case 3 ...................................................................................................................... 190
Operational Notes ................................................................................................................. 191
Data Length Limitations ........................................................................................................ 191
Performance ......................................................................................................................... 191
Choice of Programming Language ....................................................................................... 191
Example Application ............................................................................................................. 191
Header Description ............................................................................................................... 194
Data Length Limitations ........................................................................................................ 195
Performance ......................................................................................................................... 195
Choice of Programming Language ....................................................................................... 195
FFT ............................................................................................................................ 195
Why Use FFT? ...................................................................................................................... 195
Improving Dynamic Range .................................................................................................... 198
Record Length ...................................................................................................................... 198
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