【英文标准名称】:StandardTestMethodforDeterminingthePerformanceofaSonicAnemometer/Thermometer
【原文标准名称】:测定利用声速的风速记录仪/温度计性能的标准试验方法
【标准号】:ASTMD6011-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D22.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceptanceangle;acousticpathlength;shadowcorrection;sonicanemometer;sonictemperature;sonicthermometer;speedofsound;systemdelay;Acceptancecriteria/testing--atmospheric;Acousticpathlength;Dynamicperformance;Performance--laborato
【摘要】:Thistestmethodprovidesastandardmethodforevaluatingtheperformanceofsonicanemometer/thermometersthatuseinversetimesolutionstomeasurewindvelocitycomponentsandthespeedofsound.Itprovidesanunambiguousdeterminationofinstrumentperformancecriteria.Thetestmethodisapplicabletomanufacturersforthepurposeofdescribingtheperformanceoftheirproducts,toinstrumentationtestfacilitiesforthepurposeofverifyinginstrumentperformance,andtousersforspecifyingperformancerequirements.Theacousticpathlengthprocedureisalsoapplicableforcalibrationpurposespriortodatacollection.Proceduresforoperatingasonicanemometer/thermometeraredescribedinPracticeD5527.Thesonicanemometer/thermometerarrayisassumedtohaveasufficientlyhighstructuralrigidityandasufficientlylowcoefficientofthermalexpansiontomaintainaninternalalignmenttowithinthemanufacturer''sspecificationsoveritsdesignedoperatingrange.Consultwiththemanufacturerforaninternalalignmentverificationprocedureandverifythealignmentbeforeproceedingwiththistestmethod.Thistestmethodisdesignedtocharacterizetheperformanceofanarraymodelorprobedesign.Transducershadowdataobtainedfromasinglearrayisapplicableforallinstrumentshavingthesamearraymodelorprobedesign.Somenon-orthogonalarraysmaynotrequirespecificationoftransducershadowcorrectionsorthevelocitycalibrationrange.1.1Thistestmethodcoversthedeterminationofthedynamicperformanceofasonicanemometer/thermometerwhichemploystheinversetimemeasurementtechniqueforvelocityorspeedofsound,orboth.Performancecriteriainclude:(a)acceptanceangle,(b)acousticpathlength,(c)systemdelay,(d)systemdelaymismatch,(e)thermalstabilityrange,(f)shadowcorrection,(g)velocitycalibrationrange,and(h)velocityresolution.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N11
【国际标准分类号】:17_200_10
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Spatialdata-setsforgeographicalreferencing-Specificationforastreetgazetteer
【原文标准名称】:地理定位用空间数据集.街道地名索引规范
【标准号】:BS7666-1-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-09-15
【实施或试行日期】:2000-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:英国;地理学;数据布置;数据;基准点确定;邮政地址;道路;地理和政治区域;词典
【英文主题词】:Charts;Data;Databases;Datalayout;Dictionaries;Geographicandpoliticaldivisions;Geography;Maps;Postaladdresses;Referencepointdetermination;Roads;UnitedKingdom
【摘要】:ThispartofBS7666specifiesthedatatobemaintainedinagazetteerofstreetsinGreatBritainsothatdifferentusersofstreetinformationcanusethesamedatawithconsistencyofcontent,accuracy,currencyandformat.NOTE1Thestandardisapplicableinprincipletoothercountriesandregionsbutmayrequiremodificationtoaccommodatelocalrequirements,e.g.gridreferencinginNorthernIreland(see5.6.1,6.1and6.3.1).Thisstandardspecifieswaysofreferencingastreetsothatdatacanbeaccessedbystreetname,description,routenumberoruniquereferencenumber.Italsospecifiesthemeansofrepresentingitsspatiallocation.Thisallowsforbothagenerallocation,andfulldetaileddescriptionofthepositionofthestreet.Aformatisalsospecifiedforrecordingasetofotherrelateddatainthegazetteersuchastheresponsibleauthority,therecordhistoryandoverlapswithotherstreets.Thisstandardspecifieswhatneedstobecheckedandreportedforassessingorverifyingthequalityofthedatainthestreetgazetteerbutdoesnotincludespecifictests.NOTE2AsetofchecklistsforverificationofconformityisgiveninannexA.
【中国标准分类号】:A75
【国际标准分类号】:07_040;35_240_70
【页数】:18P;A4
【正文语种】:英语