Reference Point

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reference point [′ref·rəns ‚pȯint]

(navigation)

A point to which other points, lines, and so forth are referred, usually in terms of distance or direction, or both.

Reference Point

a celestial body used in space navigation for orientation or for the solution of problems. The sun, planets, and bright stars can all serve as reference points. A convenient reference point is the bright southern star Canopus, which is situated relatively close to the perpendicular to the plane of the ecliptic. For interplanetary voyages, which generally take place within this plane, the angle between the lines connecting a spacecraft with the sun and with Canopus varies within narrow limits, thus simplifying navigation. Technical difficulties are encountered in the use of faint stars as reference points.

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No references found			Missing the Point at Doncaster was so painful SUHAILIE versus Reference Point in the 1986 William Hill Futurity (now the Racing Post Trophy). UNHAPPY DAYS HAPPY DAYS; GET IT READY! Richard Birch's weekend ... by The Racing Post (London, England) The minimum location error in a triangle can only appear on one point, whereas the maximum location error influences positioning system's accuracy directly, as a result, this article has conducted a research to the layout shape of the reference point in view of the maximum location error. Research on error's distribution in triangle location algorithm by Zhu, Jian; Zhao, Hai; Xu, Jiuqiang; Zhang, Yuanyuan / International Journal of Communications, Network and Systems Sciences (IJCNS) Type I is the carrying capacity for the stable state: each has associated with it a type-II reference point wherein surplus production reaches a local maximum. Multiple stable reference points in oyster populations: implications ... by Powell, Eric N.; Klinck, John M.; Ashton-Alcox, Kathryn A. / Fishery Bulletin			Reference Book reference burst reference counting reference craft reference design reference dimension reference dipole reference direction Reference Electrode Reference Ellipsoid reference frame reference frequency Reference Fuel Reference Grid reference level reference line reference listing Reference Literature reference locality reference lot reference mark reference material reference monitor reference noise reference plane Reference Point reference range reference record reference rounds reference section reference seismometer reference signal level reference sound level reference spheroid reference standard specification reference standards reference station reference supply reference temperature reference time reference tone reference validation mechanism reference vehicle reference voltage reference volume reference white reference white level referencing Referendum referendum and initiative referential integrity			Reference Number Category Code Reference Number Section Reference Number Verification Code Reference Nutrient Intake Reference of Pain Following Cordotomy Reference Our LETter/Reference Letter from Our Office Reference Our Memorandum Reference Our Message Reference Our PBS Message Reference Our Requisition Reference Our Telephone Conversation Reference Our TWX Reference Paper Reference Partial Descriptive Method Reason Code Reference PBS Message Reference Pedagogic Algorithmic Language Reference Percentile Reference Performance Objective Reference Period Reference Period Reference Period Reference Periods Reference Periods Reference Periods Reference Picture Resampling Reference Picture Resampling Parameter Reference Picture Selection Reference plane Reference Point Reference Point Group Mobility Model Reference Point Message Reference Point System Reference Point Therapy reference points reference points Reference Power Plant Reference Preparation Reference Preparation for Human Serum Proteins Reference Preparation for Proteins in Human Serum Reference Process House reference protein reference protein reference protein Reference Publication Reference Publication Year Reference Pulse Width High Reference Quality Criteria Reference Quarterly reference radiograph reference radiograph reference radiograph Reference range Reference range Reference Rasterizer Reference rate Reference Rates Reference Receiver Reference Receiver/Processor reference record

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