"It got everybody's attention and it was another distinct signature to Marty's parties."

In terms of trace elements, there are distinct signatures left by modern societies.

Muzzle flashes create distinct signatures that can be located using infrared imaging technology.

Taxpayers, with their own distinct signatures, became the prototypical architectural development of the Depression decade.

Sediments, permafrost, and water may all have distinct signatures.

They have distinct physical, biological, chemical, optical and acoustical signatures.

Different types of activity, different places, have distinct aural signatures, he insists.

"Each node works the same but has a distinct signature," Gomez finally said.

These panels are designed so as to produce a distinct and easily identifiable infrared signature when seen through thermal imaging systems.

For example, the following two methods have distinct signatures: