Detection grid
A detection grid was a type of sensor grid or sensor net.

The Torothan overlords of a planet used an orbital detection grid which in fact turned out to contain a gap. ()

During the 22nd century, the Xindi used a detection grid as a method of detecting the presence of starships in the Azati Prime system. ()

Another type of detection grid was used at Imperial Hall in the 24th century on . ()

The Federation and Klingon Empire both employed sophisticated tachyon detection grids as a means of detecting cloaked ships. (; )

de: Detektionsgitter
Sensor technology