signal means
1Signal timing — is the technique which traffic engineers use to determine who has the right of way at an intersection. Signal timing involves deciding how much green time the traffic lights shall provide at an intersection approach, how long the pedestrian WALK… …
2Signal programming — is often used in the same sense as Event driven programming.The word signal is used instead of the word event in documentation of such libraries as Qt, GTK+ and libsigc++.In the wider software development community the word signal is sometimes… …
3signal — Ⅰ. signal [1] ► 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… …
4signal service — signal service, 1. an organized system of service concerned with communicating by means of signals, especially in the military service. 2. the organization or body having charge of such a system …
5Signal (bridge) — In the card game of contract bridge, partners defending against a contract may play particular cards in a manner which gives a signal or coded meaning to guide their subsequent card play; also referred to as carding. Contents 1 Standard signals 1 …
6Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …
7Signal Corps in the American Civil War — U.S. Army Signal Corps station on Elk Mountain, Maryland, overlooking the Antietam battlefield. The Signal Corps in the American Civil War comprised two organizations: the U.S. Army Signal Corps, which began with the appointment of Major Albert J …
8Signal Corps (United States Army) — U.S. Army Signal Corps Coat of Arms Active 3 March 1863 – Present Country …
9Signal box — A signal box or signal cabin is a building from which railway signals and points are controlled. The term signal cabin is used in Ireland, parts of Scotland and in Australia while in North America, the term interlocking tower predominates.… …
10Signal conditioning — In electronics, signal conditioning means manipulating an analogue signal in such a way that it meets the requirements of the next stage for further processing. For example, the output of an electronic temperature sensor, which is probably in the …
