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BS G 257-3-2004 民用飞行器的电磁危害防护设计.间隙和检验指南

作者:标准资料网 时间:2024-05-20 15:11:10  浏览:9654   来源:标准资料网
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【英文标准名称】:Designofelectromagnetichazardprotectionofcivilaircraft-Guidetoclearanceandtesting
【原文标准名称】:民用飞行器的电磁危害防护设计.间隙和检验指南
【标准号】:BSG257-3-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-03-31
【实施或试行日期】:2004-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电磁场;电子设备及元件;认可试验;性能试验;认证(认可);危害;合格;航空运输工程;电磁辐射;计划;飞行器;电磁兼容性;验证;飞行安全;兼容性;设计;电磁学;天线;误差修正;闪电;场强(电);乱真信号;飞行器部件;分类系统;射频;电波测量;电力系统干扰;民用飞机;电学测量;电气设备
【英文主题词】:fieldstrength(electric);electricalwavemeasurement;aircraft;certification(approval);electromagneticradiation;classificationsystems;planning;airsafety;aircraftcomponents;electromagneticcompatibility;approvaltesting;electricalmeasurement;errorcorrection;lightning;performancetesting;hazards;civilaircraft;electricpowersystemdisturbances;electricalequipment;conformity;electronicequipmentandcomponents;electromagneticfields;noise(spurioussignals);design;compatibility;airtransportengineering;radiofrequencies;electromagnetism;verification;antennas
【摘要】:ThispartofBSG257iswrittentoassistengineersworkingatalllevelswithincompaniesinvolvedintheaircraftindustrytomeettheapplicableEMHrequirements.ThispartofBSG257isintendedtoassistengineerswithplanningthecertificationprocessandtoensurethatthecorrectprocessesareappliedtothewritingofproceduresandplans,andthatthepresentlyrecognizedmethodsoftestareappropriatelyused.Theguidedoesnotcontainmandatoryrequirements,onlyguidancetoassistinthesolutionofdesignproblems.Theguidedoesnotcover:a)theprotectionoftheairframeagainstthestructurallydamaging,directeffectsoflightning;b)thedesignofcommunicationsystemsinordertoproduceinterferencefreeoperationsinceitisfeltthattheseaspectsofRFsystemsdesignarecoveredinadequatedetailinotherdocumentse.g.MinimumOperationalPerformanceSpecification(MOPS).TheproblemsofinteractionbetweenradioreceiversandtransmittersarestillanimportantaspectofEMCproblems;c)electrostaticdischarge.
【中国标准分类号】:V04
【国际标准分类号】:33_100_01;49_060
【页数】:42P.;A4
【正文语种】:英语


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【英文标准名称】:Informationprocessingsystems;opensystemsinterconnection;basicconnectionorientedsessionservicedefinition;identicalwithISO8326:1987
【原文标准名称】:信息处理系统.开式系统互连.用于对话服务规则的基本连接
【标准号】:DINISO8326-1990
【标准状态】:作废
【国别】:德国
【发布日期】:1990-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:NI
【标准类型】:()
【标准水平】:()
【中文主题词】:开式系统互连;信息交流;计算机网络;数据处理;数据传输方法;计算机间通信;特性;规范(审批);数据传送;定义;通信系统;控制功能;信息处理
【英文主题词】:controlfunctions;specification(approval);dataprocessing;communicationsystems;datatransmissionmethods;informationexchange;properties;osi;computer-computercommunications;computernetworks;inform
【摘要】:
【中国标准分类号】:L79
【国际标准分类号】:6983
【页数】:54P;A4
【正文语种】:德语


【英文标准名称】:StandardSpecificationforMortarforUnitMasonry
【原文标准名称】:砌块用灰浆的标准规范
【标准号】:ASTMC270-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C12.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:aircontent;compressivestrength;masonry;masonrycement;mortar;portlandcement-lime;waterretention;waterretentivity
【摘要】:1.1Thisspecificationcoversmortarsforuseintheconstructionofnon-reinforcedandreinforcedunitmasonrystructures.Fourtypesofmortararecoveredineachoftwoalternativespecifications:(1)proportionspecificationsand(2)propertyspecifications.Note18212;Whenthepropertyspecificationisusedtoqualifymasonrymortars,thetestingagencyperformingthetestmethodsshouldbeevaluatedinaccordancewithPracticeC1093.1.2Theproportionorpropertyspecificationsshallgovernasspecified.1.3Whenneitherproportionorpropertyspecificationsarespecified,theproportionspecificationsshallgovern,unlessdataarepresentedtoandacceptedbythespecifiertoshowthatmortarmeetstherequirementsofthepropertyspecifications.1.4Thetextofthisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.5ThetermsusedinthisspecificationareidentifiedinTerminologiesC1180andC1232.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.7Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodssectionofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:14P.;A4
【正文语种】:英语



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