Journals
Publish with us
Publishing partnerships
About us
Blog
Security and Communication Networks
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Security and Communication Networks
/
2021
/
Article
/
Fig 2
/
Research Article
[Retracted] An Extraction Method of Volleyball Spiking Trajectory and Teaching Based on Wireless Sensor Network
Figure 2
Hierarchical structure diagram of the wireless sensor network system.