期刊名称:Scientific Journals of the Maritime University of Szczecin
印刷版ISSN:1733-8670
电子版ISSN:2392-0378
出版年度:2005
卷号:6
页码:181-190
语种:English
出版社:MUS
摘要:The distributions (in per cent) of VDOP cofficient values for GPS nominal (27 satellites) and present (27,28 and 29 satellites) constellations are demonstrated.Different masking elevation angles for different observer's latitudes are considered.The GPS poition and vertical accuracy in the"3D” mode and the position accuracy in the"2D” mode for different receivers and for different receiver's antenrna heights are presented as well.
其他摘要:В статье рассмотрено технологические особенности печати штриховых кодов термотрансферным способом.Представлено рекомендации комбинаций цвета штрихов и цвета основы,на которую наносится штриховой код.Ключевые слова:термотрансферный способ печати;штриховой код;маркировка;идентификация;качество.The peculiar properties of technology for printing bar codes using the thermal transfer method is described in the article.It is also presented the recommendation for color combi nations applying for strokes and bar code base.