target echo
21Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …
22Make (software) — make Original author(s) Stuart Feldman Initial release 1977 Type build automation tool In software development, Make is a utility that automatically builds executable programs and libraries from source code by rea …
23Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… …
24Geo Warping — This article explains a technology called Geo Warping in the context of real time visualization of geo referenced radar video data. Geo Warping allows displaying radar video consistently with any geographical projection and thus avoids any… …
25Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… …
26Multipath propagation — This article is about the electromagnetic propagation phenomenon. For the computing storage term, see Multipath I/O. For the routing term, see Multipath Routing. In wireless telecommunications, multipath is the propagation phenomenon that results …
27Animal echolocation — Echolocation, also called biosonar, is the biological sonar used by several animals such as dolphins, shrews, most bats, and most whales. The term was coined by Donald Griffin, who was the first to conclusively demonstrate its existence in bats.… …
28Weather radar — in Norman, Oklahoma with rainshaft …
29ANT (Apache) — Apache Ant Pour les articles homonymes, voir ant. Ant …
30Ant (Apache) — Apache Ant Pour les articles homonymes, voir ant. Ant …
