unobstructed line of sight

См. также в других словарях:

• line of sight — noun an imaginary straight line along which an observer looks • Syn: ↑line of vision • Hypernyms: ↑line * * * 1. or line of sighting : a linear projection toward a target of the straight line obtained when the sights of a firearm are in perfect… …   Useful english dictionary

• line-of-sight —    An unobstructed path between the transmitter and receiver. Laser, microwave, and infrared transmissions usually require a clear line of sight.    See also wireless communications …   Dictionary of networking

• line of sight — Date: 1559 1. a line from an observer s eye to a distant point 2. the line between two points; specifically the straight path between a transmitting antenna (as for radio or television signals) and a receiving antenna when unobstructed by the… …   New Collegiate Dictionary

• line of sight — a straight line along which an observer has unobstructed vision. → line …   English new terms dictionary

• sight — Synonyms and related words: Anschauung, aim, aim at, airscape, amazement, angle, angle of vision, assumption, astonishing thing, astonishment, atrocity, attitude, awe inspiring, baboon, bag, barrel, basis, batch, behold, bend, blemish, blot,… …   Moby Thesaurus

• line — line1 noun 1》 a long, narrow mark or band.     ↘Mathematics a straight or curved continuous extent of length without breadth.     ↘a wrinkle in the skin.     ↘a contour or outline as a feature of design.     ↘a curve connecting all points having… …   English new terms dictionary

• Iron sight — Sight picture through iron sights of an H K MP5 submachine gun. The annular shroud around the front post sight is aligned with the rear peep sight to ensure the weapon is properly trained. Iron sights are a system of shaped alignment markers… …   Wikipedia

• lineof sight — line of sight n. pl. lines of sight 1. An imaginary line from the eye to a perceived object. 2. An unobstructed path between sending and receiving antennas. * * * …   Universalium

• Mason-Dixon Line — The Mason–Dixon Line (or Mason and Dixon s Line ) is a demarcation line between four U.S. states, forming part of the borders of Pennsylvania, Maryland, Delaware, and West Virginia (then part of Virginia). It was surveyed between 1763 and 1767 by …   Wikipedia

• Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …   Wikipedia

• Direct fire — A gunner aiming a QF 4 inch Mk V naval gun for direct firing Direct fire refers to the launching of a projectile directly at a target on a relatively flat trajectory. The firing weapon must have a sighting device and an unobstructed line of sight …   Wikipedia