Aviation dictionary. 2014.
position line — A line indicating a series of positions at which the observer is estimated to be at the time of observation. These can be straight, curved, hemispherical, or irregular lines, depending on the information they convey. Circular position lines… … Aviation dictionary
hyperbolic fix — A fix established by means of hyperbolic lines of position. See hyperbolic position line … Aviation dictionary
hyperbolic navigation — noun : a system of radio navigation (as loran) in which the time difference between receipt of signals from two stations of known position determines a line of position in the form of a hyperbola … Useful english dictionary
Two-Line Elements — Éléments orbitaux : * a le demi grand axe de l orbite * e l excentricité de l orbite * i l inclinaison de l orbite * Ω la longitude du … Wikipédia en Français
LORAN — A radio navigation system operating in an LF (low frequency) band. It utilizes master and slave stations transmitting timed pulses. The time difference between receptions of pulses from several stations establishes a hyperbolic position line,… … Aviation dictionary
navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… … Universalium
Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole … Wikipedia
Orbital mechanics — A satellite orbiting the earth has a tangential velocity and an inward acceleration. Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other… … Wikipedia
Logic and the philosophy of mathematics in the nineteenth century — John Stillwell INTRODUCTION In its history of over two thousand years, mathematics has seldom been disturbed by philosophical disputes. Ever since Plato, who is said to have put the slogan ‘Let no one who is not a geometer enter here’ over the… … History of philosophy
LORAN — (LOng Range Aid to Navigation) is a terrestrial radio navigation system using low frequency radio transmitters that uses multiple transmitters (multilateration) to determine location and/or speed of the receiver. The current version of LORAN in… … Wikipedia
