signal means
11Signal telegraph — Telegraph Tel e*graph, n. [Gr. ? far, far off (cf. Lith. toli) + graph: cf. F. t[ e]l[ e]graphe. See {Graphic}.] An apparatus, or a process, for communicating intelligence rapidly between distant points, especially by means of preconcerted… …
12Signal theory — See also Signalling theory, a concept in evolutionary biology Signal theory is the theory of the engineering discipline of signal processing. It provides mathematical approaches for use in a wide range of applications. Fields as far apart as… …
13Signal reconstruction — In signal processing, reconstruction usually means the determination of an original continuous signal from a sequence of equally spaced samples.This article takes a generalized abstract mathematical approach to signal sampling and reconstruction …
14signal — signal1 noun 1》 a gesture, action, or sound conveying information or an instruction. 2》 an indication of a state of affairs. 3》 an event or statement that provides the impulse or occasion for something to happen. 4》 a light or semaphore on a… …
15signal center — A combination of signal communication facilities operated by the Army in the field and consisting of a communications center, telephone switching central and appropriate means of signal communications. See also communications center …
16Signal Communications by Orbiting Relay Equipment — Atlas B Rakete mit SCORE auf der Startrampe – Der gesamte Raketenkörper (ohne die Boostertriebwerke) bildete den Satelliten SCORE SCORE (Signal Communications by Orbiting Relay Equipment, auch Project SCORE) war der erste Kommunikationssatellit.… …
17signal — 1. As applied to electronics, any transmitted electrical impulse. 2. Operationally, a type of message, the text of which consists of one or more letters, words, characters, signal flags, visual displays, or special sounds with prearranged meaning …
18Signal arrow — Kabura ya (鏑矢), also called kōshi (嚆矢), were Japanese arrows which whistled when fired and were used in ritual archery exchanges prior to formal medieval battles. The sound was created by a specially carved or perforated bulb of deer horn or wood …
19signal — I (New American Roget s College Thesaurus) n. sign, watchword, cue; alarm, warning, direction, order; traffic light, beacon, foghorn, wigwag; trace, vestige. See indication. adj. memorable, conspicuous, momentous. See importance. v. t. signalize …
20signal — A means of communication, as between vessels at sea or between a vessel and the shore. The international code of signals for the use of all nations assigns arbitrary meanings to different arrangements of flags or displays of lights …
