Trigger position in waveform record ........................................................................................................... 422
Trigger delay .............................................................................................................................................. 423
Advanced triggering ................................................................................................................................... 423
Bus triggering concepts ........................................................................................................................ 423
Pulse width trigger concepts ................................................................................................................ 424
Timeout trigger ..................................................................................................................................... 424
Runt trigger ........................................................................................................................................... 424
Window trigger ..................................................................................................................................... 424
Logic trigger concepts .......................................................................................................................... 424
Setup and Hold trigger concepts .......................................................................................................... 424
Rise/Fall time trigger concepts ............................................................................................................. 425
Sequential (A B) trigger concepts ......................................................................................................... 425
Visual Trigger concepts ........................................................................................................................ 425
Waveform display concepts
Waveform display overview ....................................................................................................................... 427
Waveform preview mode ........................................................................................................................... 427
Horizontal position and the horizontal reference point ............................................................................... 427
Measurement concepts
Measurement variables .............................................................................................................................. 429
Missing or out-of-range samples ................................................................................................................ 432
Math waveforms ......................................................................................................................................... 432
Math waveform elements ........................................................................................................................... 434
Math waveform sources ............................................................................................................................. 434
Guidelines for working with math waveforms ............................................................................................. 435
Math waveform editor syntax ..................................................................................................................... 435
Math waveform differentiation .................................................................................................................... 436
Math waveform offset, position, and scale ................................................................................................. 436
Waveform integration ................................................................................................................................. 437
FFT process ............................................................................................................................................... 438
FFT and aliasing ........................................................................................................................................ 438
Blackman-Harris FFT window concepts ..................................................................................................... 439
Flattop2 window ......................................................................................................................................... 440
Gaussian window ....................................................................................................................................... 440
Hanning FFT window ................................................................................................................................. 441
Hamming window ....................................................................................................................................... 442
Kaiser-Bessel FFT window ........................................................................................................................ 442
Table of Contents
MSO54, MSO56, MSO58, MSO58LP, MSO64 Help xi
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