Anti-persistent In R/S Analysis, an anti-persistent time series reverses itself more often than a random series would. If the system had been up in the previous period, it is more likely that it will be down in the next period and vice
Persistent agent Persistent agent is a chemical agent that, when released, remains able to cause casualties for more than 24 hours to several days or weeks.
Overhead persistent infrared Overhead persistent infrared are those systems originally developed to detect and track foreign intercontinental ballistic missile systems. Also called OPIR.
Nonpersistent agent Nonpersistent agent refers to a chemical agent that when released dissipates and/or loses its ability to cause casualties after 10 to 15 minutes.