Some military uniforms are treated with chemicals to reduce their infrared signature.

The infrared signature is nearer, glowing white in Cowboy's vision.

The infrared signature is close, cat's eyes in the night.

The nozzle design can also reduce the infrared signature of the engine.

But a horse in a trailer gave off a very different infrared signature from a mammoth, and they could be quickly eliminated.

The engine air is exhausted upwards to minimize the infrared signature.

I've been able to deduce patterns from the infrared signature of the Gaijin's activity in the belt.

Two light-years distance, and the infrared signature was extraordinarily bright.

Challenger's reactor was shut down, to suppress her infrared signature.

The sudden infrared signature was bright and clear.