Примери коришћења Ephemeris на Енглеском и њихови преводи на Српски
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I know what an Ephemeris is, but I don't understand it?
A GPS signal contains three different bits of information- a pseudorandom code, ephemeris data and almanac data.
A Celestiall Glass or Ephemeris for the Year of the Christian Era 1.
Calibration of the caesium standard atomic clock was carried out by the use of the astronomical time scale ephemeris time(ET).
JPL HORIZONS solar system data and ephemeris computation service".
Nōt: time expressed in ephemeris time(more precisely Terrestrial Time) with days of 86400 SI seconds.
There can be a delay of up to 30 seconds before the first estimate of position because of the need to read the ephemeris data before computing the intersections of sphere surfaces.
Generally speaking, ephemeris in the collections of Postal history, Aerophilately and Thematic philately contains components of social aspects.
The Latin phrase Aerae Christianae(Christian Era) and the associated English“Christian Era” was also used by somein the 17th century, such as when Robert Sliter employed it in his A Celestiall Glass or Ephemeris for the Year of the Christian Era 1(1652).
Year January 0 occurs in the epoch for the ephemeris second,“1900 January 0 at 12 hours ephemeris time”.
Ephemeris Time(ET) was defined as the measure of time that brings the observed positions of the celestial bodies into accord with the Newtonian dynamical theory of motion.
Luckily for his crew,Columbus had certain astronomical tables with him including the ephemeris compiled by the German astronomer Johannes Müller von Königsberg, better known today by his Latin name, Regiomontanus.
Following several years of work, two astronomers at the U.S. Naval Observatory(USNO) and two astronomers at the National Physical Laboratory(Teddington, England)determined the relationship between the frequency of the caesium atom(the standard of time) and the ephemeris second.
It keeps the date in the year for which the ephemeris was published, thus avoiding any reference to the previous year, even though it is the same day as December 31 of the previous year.
The first is to assist in the acquisition of satellites at power-up by allowing the receiver to generate a list of visible satellites based on stored position and time, while an ephemeris from each satellite is needed to compute position fixes using that satellite.
Smartphone app The Photographer's Ephemeris tells you all sorts of localised facts about your chosen location and can help you work out what the sun will shine on as it peeps over the horizon.
Following several years of work, two astronomers at the United States Naval Observatory(USNO) and two astronomers at the National Physical Laboratory(Teddington, England)determined the relationship between the hyperfine transition frequency of the caesium atom and the ephemeris second.
Check out the smartphone app The Photographer's Ephemeris, which tells you all sorts of localised facts about your location and can help you work out what the sun will shine on as it peeps over the horizon.”.
Each GPS satellite continuously broadcasts a Navigation Message at 50 bit/s giving the time-of-week, GPS week number andsatellite health information(all transmitted in the first part of the message), an ephemeris(transmitted in the second part of the message) and an almanac(later part of the message).
January 1- First annual volume of The Nautical Almanac and Astronomical Ephemeris, produced by British Astronomer Royal Nevil Maskelyne at the Royal Observatory, Greenwich, gives navigators the means to find longitude at sea using tables of lunar distance.
The applied tools of the disciplines of celestial mechanics or its subfield orbital mechanics(for predicting orbital paths and positions for bodies in motion under the gravitational effects of other bodies)can be used to generate an ephemeris, a table of values giving the positions and velocities of astronomical objects in the sky at a given time or times.
Most of their time was spent calculating newer, better, andmore accurate ephemerides for astrological purposes using the rapidly advancing astronomical methods and tools of the day.
By the time he attended a standardisation conference in Paris,France in May 1886, the international consensus was that all ephemerides should be based on Newcomb's calculations.
Ephemerides also contain this information for those of us who know how to read them.