This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionSSDM 5bits 30pct sequence.png
English: Demonstrates SSDM signal generation. 5-bit pseudo random number sequence is shown with a desired threshold, and a SSDM signal generated from the sequence. Also the averaged SSDM signal is shown to demonstrate how the density approaches a desired value.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.