Tektronix AWG2021 User Manual page 549

Appendix F: Miscellaneous
F 2
Here is the equation for linear interpolation.
x–x
f (x) +
i
{f (x
)–f (x
x –x
i)1
i)1 i
Here, i is the waveform point number; i takes integer values i = 1, 2, ..., n.
NOTE. The number of points can be increased or decreased, but the waveform
may lose its characteristics when the number of points are decreased.
Example 1: 5 points padded to 9 points.
Figure F 2: Point Padding
Example 2: Reducing from 9 points to 6
Figure F 3: Point Compression
)} ) f (x
)
i i
Points before conversion
Points after conversion
Points before conversion
Points after conversion
AWG2021 User Manual