SAE ARP6025 Duty Cycle Considerations for EHA

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Product Code:SAE ARP6025
Title:Duty Cycle Considerations for EHA
Issuing Committee:A-6b2 Eha Iap Committee
Scope: This standard establishes a common rationale by which actuation duty cycles can be reduced and assessed for EHAs.
Rationale: This standard establishes a common rationale by which actuation duty cycles can be reduced and assessed for EHAs.
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【英文标准名称】:StandardPracticeforRectificationofSpectrophotometricBandpassDifferences
【原文标准名称】:光谱光度测量的带通差异调整的标准实施规程
【标准号】:ASTME2729-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E12.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:bandpassrectification;spectraldeconvolution
【摘要】:Failuretomakesucharectificationintroducesdifferencesfromthetruevalueofthespectrumofabout0.02to0.4x0394;E*abunits.Allusersarerequiredtomakearectificationofsuchbandpassdifferences.Itisespeciallyincumbentuponwritersofcomputerprogramswhosefunctionitistoacquiresuchspectrafrominstrumentstoseethatacompetentrectificationisimplementedintheprogrambeforeanyadditionalprocessingofthespectrum,orcalculationsinvolvingthespectrumareaccomplished,orbeforethespectrumismadeavailabletoauser.Legacymeasuringsystemsareexplicitlyexemptedfromanyrequirementsforretrofittingofhardwareorsoftwareandmaycontinuetoutilizepreviouslyacceptedmethodsofmakingthebandwidthrectification.1.1Thisstandardoutlinesthemethodsthatcanbeusedtodeconvolve,atleastpartially,thespectralbandpassdifferencesofrawspectraldataacquiredbyabridgedspectrophotometry.Suchdifferencesareintroducedbecausethespectralpassbandmustbeofsignificantbandwidthtoallowsufficientenergytoreachthedetector.Ontheotherhand,thespectraldatathatshouldbebeingreportedisthatofavirtual1-nmbandwidthspectruminordertobeusefulintheCIEmethodoftristimulusintegrationwhichinvolves1-nmsummation.1.2Thestandardestablishespracticesforwhether,when,andhowabandpassrectificationshouldbemadetoanyreflectanceortransmittancespectrumacquiredbyabridgedspectrophotometry.1.3Itisapplicablewheretheshapeofthepassbandistriangularandthebandwidthisequaltothemeasurementintervalbetweenpassbands.InformationisprovidedinSection7foruserswhenthatconditionisnotsatisfactorilymet.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A60
【国际标准分类号】:71_040_50
【页数】:3P.;A4
【正文语种】:英语


基本信息
标准名称:松香工程设计规范
发布日期:
实施日期:2004-10-23
首发日期:
作废日期:
出版日期:
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所属分类: 工程建设 农林业及轻纺工业工程 林业工程