SAE AIR512 Aircraft Cabin Illumination
作者:标准资料网 时间:2024-05-20 04:58:57 浏览:8399
来源:标准资料网
Product Code:SAE AIR512
Title:Aircraft Cabin Illumination
Issuing Committee:A-20ac Crew Station And Interior Lighting Committee
Scope:This document provides the aircraft designer, architect, industrial designer and electrical engineer with design criteria to properly illuminate aircraft cabin interiors.
【英文标准名称】:IEEEStandardforSoftwareandSystemTestDocumentation
【原文标准名称】:软件和系统试验文件
【标准号】:IEEE829-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-07-18
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机软件;数据处理;定义;文献;信息处理;信息技术;程序设计;软件;软件文献工作;系统试验;测试
【英文主题词】:Computersoftware;Dataprocessing;Definition;Definitions;Documentations;Informationprocessing;Informationtechnology;Programming;Software;Softwaredocumentation;Systemtests;Testing
【摘要】:Thisstandardappliestoallsoftware-basedsystems.Itappliestosystemsandsoftwarebeingdeveloped,acquired,operated,maintained,and/orreused[e.g.,legacy,modified,Commercial-Off-the-Shelf(COTS),Government-Off-the-Shelf(GOTS),orNon-DevelopmentalItems(NDIs)].Whenconductingthetestprocess,itisimportanttoexaminethesoftwareinitsinteractionswiththeotherpartsofthesystem.Thisstandardidentifiesthesystemconsiderationsthattestprocessesandtasksaddressindeterminingsystemandsoftwarecorrectnessandotherattributes(e.g.,completeness,accuracy,consistency,andtestability),andtheapplicableresultanttestdocumentation.
【中国标准分类号】:L77
【国际标准分类号】:35_080
【页数】:132P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-Genericcodingofmovingpicturesandassociatedaudioinformation-Part1:Systems
【原文标准名称】:信息技术.移动画面和有关音频信息的通用编码.第1部分:系统
【标准号】:ISO/IEC13818-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-10
【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/IECJTC1/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:音频系统;汇编;编码(数据转换);数据转换;数据处理;定义;编码;数字;图像处理;信息技术;录音;系统建筑学;视频记录
【英文主题词】:Audiosystems;Codification;Coding(dataconversion);Dataconversion;Dataprocessing;Definitions;Encoding;Figures;Imageprocessing;Informationtechnology;Soundrecording;Systemarchitecture;Videorecording
【摘要】:ThisRecommendation|InternationalStandardspecifiesthesystemlayerofthecoding.ItwasdevelopedprincipallytosupportthecombinationofthevideoandaudiocodingmethodsdefinedinParts2and3ofISO/IEC13818.Thesystemlayersupportssixbasicfunctions:1)thesynchronizationofmultiplecompressedstreamsondecoding;2)theinterleavingofmultiplecompressedstreamsintoasinglestream;3)theinitializationofbufferingfordecodingstartup;4)continuousbuffermanagement;5)timeidentification;6)multiplexingandsignallingofvariouscomponentsinasystemstream.AnITU-TRec.H.222.0|ISO/IEC13818-1multiplexedbitstreamiseitheraTransportStreamoraProgramStream.BothstreamsareconstructedfromPESpacketsandpacketscontainingothernecessaryinformation.Bothstreamtypessupportmultiplexingofvideoandaudiocompressedstreamsfromoneprogramwithacommontimebase.TheTransportStreamadditionallysupportsthemultiplexingofvideoandaudiocompressedstreamsfrommultipleprogramswithindependenttimebases.Foralmosterror-freeenvironmentstheProgramStreamisgenerallymoreappropriate,supportingsoftwareprocessingofprograminformation.TheTransportStreamismoresuitableforuseinenvironmentswhereerrorsarelikely.AnITU-TRec.H.222.0|ISO/IEC13818-1multiplexedbitstream,whetheraTransportStreamoraProgramStream,isconstructedintwolayers:theoutermostlayeristhesystemlayer,andtheinnermostisthecompressionlayer.Thesystemlayerprovidesthefunctionsnecessaryforusingoneormorecompresseddatastreamsinasystem.ThevideoandaudiopartsofthisSpecificationdefinethecompressioncodinglayerforaudioandvideodata.CodingofothertypesofdataisnotdefinedbythisSpecification,butissupportedbythesystemlayerprovidedthattheothertypesofdataadheretotheconstraintsdefinedin2.7.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:174P.;A4
【正文语种】:英语
