In this paper,robustness properties of the leader-follower consensus are considered.Forsimplicity of presentation,the attention is focused on a group of contin
Writing is one of the most remarkable skills of mankind. Human culture can be continued and preserved with writing.In the early 20th century, the fountain pen b
The performance bound of cognitive radio systems is analyzed.We use opportunistic spectrum effi-ciency(OSE)as the performance metric,and point out that the max