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They can significantly improve the received signal via optimization of pertinent criterion.
②The optimization strategies of signal timing can improve traffic efficiency.
These can advance signal transmission quality and improve revamping of equipment.
The filters can improve weak surface wave signals by compressing the dispersed signal.
Utilising auxiliary signal strength measurements can improve performance when measurement noise is present.
The mixture de-noising technique can substantially improve the signal-to-noise ratio when the signal is contaminated by noise.
Open accessJournal ArticleDOI
Thomas DeGrand, Stefan Schaefer 
01 Mar 2005
20 Citations
This can improve the signal in these channels significantly.
Signal control can reduce traffic delay and improve traffic safety.

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