SAE AS4710 Pi-Bus
时间:2024-05-04 00:52:51 来源: 标准资料网 作者：标准资料网 阅读：9019
Product Code:SAE AS4710
Title:Pi-Bus
Issuing Committee:As-1a Avionic Networks Committee
Scope: This document is a result of the desire for interoperability of modules on a Pi-Bus. This standard is a stand alone document that used the Very High Speed Integrated Circuit (VHSIC) Phase 2, Interoperability Standard PI-Bus Specification 2.2, as a starting point.
Product Code:SAE AIR877
Title:Aerospace - Particle Count Data Conversion and Extrapolation
Issuing Committee:A-6c1 Contamination And Filtration Committee
Scope: This Aerospace Information Report (AIR) describes a mathematical model that can be used to analyze particle count data. Particle counts that fit the model can be graphically displayed, converted from one counting size-frequency range to another, and extrapolated to estimate counts beyond the measured range. Derivation, applications and calculations are described. Cumulative particle counts larger than stated size-range are fitted against a modified log-normal distribution function by plotting on special log-log graph paper. Many real particle distributions approximate a straight line, showing good fit for this log-normal model. The resultant plot provides a basis for further analysis, including size-range conversion and extrapolation.【英文标准名称】:Geographicinformation-Proceduresforitemregistration
【原文标准名称】:地理信息.项目注册规程
【标准号】:ISO19135-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC211
【标准类型】:()
【标准水平】:()
【中文主题词】:数据;数据描述;数据处理;数据记录;数据表示;数据传送;定义;大地测量学;地理信息;地理学;信息;信息交流;注册;规范(验收)
【英文主题词】:Data;Datadescription;Dataelements;Datamanagement;Dataprocessing;Datarecords;Datarepresentation;Datatransfer;Definitions;Englishlanguage;Geodesy;Geographicinformation;Geography;Geomatics;Information;Informationexchange;Registration;Specification(approval)
【摘要】:ThisInternationalStandardspecifiesprocedurestobefollowedinestablishing,maintainingandpublishingregistersofunique,unambiguousandpermanentidentifiersandmeaningsthatareassignedtoitemsofgeographicinformation.Inordertoaccomplishthispurpose,thisInternationalStandardspecifieselementsofinformationthatarenecessarytoprovideidentificationandmeaningtotheregistereditemsandtomanagetheregistrationoftheseitems.
【中国标准分类号】:A77
【国际标准分类号】:35_240_70
【页数】:64P.;A4
【正文语种】:英语