Subspace reflection
A subspace reflection was a phenomenon indicative of a dimensional shift. It was associated with use of the inverter, a folded-space transporter used by Ansata terrorists on Rutia IV.

In 2366, the crew of the  realized that the reflection could be tracked using an adaptive subspace echogram. Using this method, the Enterprise crew was able to locate the Ansata base. ()

Related phenomenons 
 Nuclear vibration
 Subspace pressure modulation

de:Subraumreflexion
reflection