Creating and Using Math Waveforms
CSA7000B Series & TDS7000B Series Instruments User Manual
3- 169
integrate, differentiate, average, square root, and log, can be taken on single
waveforms or complicated expressions.
In FastFrame, math is applied to each frame.
Some operations that you cannot use with math waveforms follow:
H Circular Math-on-Math, Measurements in Math, and Measurements on
Math—You cannot use circular definitions of math waveforms.
For example, if you define
Math2 = Ch1 -- Math1, and then define a second math waveform as
Math3 = Ch2 + Math2, you cannot define a third math waveform as
Math1 = Math2 + Ch3. If you do, the Math1 definition is rejected with an
error because a circular definition is not allowed.
H Measurements—Meas1 -- Meas8 are allowed in a math definition, but not
measurement functions, such as rise (Ch1).
CSA7000B Series & TDS7000B Series:
H Fast Acquisition—Math is not allowed in Fast Acquisition mode.
H Roll Mode—Math is updated when acquisition is stopped.
The following topics provide details that can help you create the math waveform
that best supports your data-analysis tasks.
How to Create. You create math waveforms when you create a math expression.
You do so by applying numerical constants, math operators and functions to
operands, which can be channel waveforms, reference waveforms, math
waveforms, or measurements (scalars). You can display and manipulate these
derived math waveforms much like you can the channel and reference wave-
forms (see Operations on Math Waveforms on page 3--177).
Using Math
To Next Page
Loading...
Need help?
General
