Sentence examples for covert signals from inspiring English sources

"They are in the air around us all the time but you can't hear them so I recorded them with a receiver to find the covert signals and bring them out.

Children are very sensitive to the overt and covert signals they are receiving from their friends and teachers.

Peer expectations also play an important role, as children with disabilities are very sensitive to the overt and covert signals they are receiving from their friends.

"Animals may also use variation in time perception to send covert signals," he says, noting that many species — like fireflies and some deep-sea animals — communicate via flashing lights.

Although the U.S. may be the most capable, the reality is most governments, particularly those in the top half of the OECD, have both an overt and covert signals intelligence capability and benefit from and contribute to the NSA's vast capabilities.

An unexpected finding was that Syros females appear to use signal partitioning as well as males, despite our assumption based on previous work that only males would need conspicuous covert signals for sexual competition and mate acquisition (e.g., LeBas and Marshall 2000; Stuart-Fox and Ord 2004; Stuart-Fox et al. 2004; Cummings et al. 2008; Bajer et al. 2010, 2011).

So, Dr. Hare said, the ultrasonic calls may be a kind of covert signal used only when predators are very near.

That stirred speculation that he might be trying to send a covert signal to the sniper, acknowledging his power as a means of encouraging further communication.

Lizard backs are more visible than flanks to hunting birds with an aerial perspective, and flanks are more visible to conspecifics with a lateral perspective, potentially allowing covert conspicuous signals on the flanks (see Figure 2).

This could facilitate both covert sexual signaling and camouflage according to the viewing perspectives of predators and conspecifics.

More work assesses the way states signal via covert action, the politics of "open secrets," the impact of publicity on international rules, sensitive information in international organizations and theories of limited war.