BS EN 61843-1997 回转磁装置的互调制发生水平测量方法
作者:标准资料网 时间:2024-05-26 18:13:01 浏览:8410
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Measuringmethodforthelevelofintermodulationproductsgeneratedinagyromagneticdevice
【原文标准名称】:回转磁装置的互调制发生水平测量方法
【标准号】:BSEN61843-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-10-15
【实施或试行日期】:1997-10-15
【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】:频率测量;信号发生器;调频;乱真信号;带通滤波器;互相调制;衰减;磁性器件
【英文主题词】:Bandoffrequencies;Communicationsystems;Components;Electricappliances;Electricalengineering;Ferrites;Frequencies;Frequencylevel;Frequencymeasurement;Frequencymodulation;Frequencymodulators;Frequencyranges;Gyromagnetic;Intermodulation;Levelsender;Levels;Magneticcomponents;Measuringtechniques;Mobileradiosystems;Performance;Radiotransmitters;Radiofrequencies;Satellitecommunications;Signalfrequency;Signallevel;Signals;Signal-to-interferenceratio;Transmitters
【摘要】:ThisInternationalStandarddescribesthemeasuringmethodforthelevelofintermodulationproductsgeneratedinagyromagneticdevice.Whentwoormoresignalsofdifferentfrequenciesenterintoadeviceand/orequipmenthavingnon-linearcharacteristics(contactpoint,flexiblewaveguide,ferritedevice,etc.).harmonicsaregeneratedinthatdeviceand/orequipment.Moreover,differentialoraddedfrequenciesoccurinthedeviceduetomixingofharmonicsoraharmonicandthefundamentalfrequency.Theseresultantfrequenciescreatenoisecausinginterference.Intransmitter/receiverduplexingsystemsandradiorelaysystems,manyfrequenciesareallocatedtoaspecifiedbandsothatcombinationsoftransmittingfrequenciesandharmonicsmayfallonthereceivingband.Thiscausesdeteriorationofcommunicationqualityduetointermodulation.Sincetheintermodulationinterferencescannotbepreventedbyfiltering,itisimportanttoevaluatetheintermodulationproductslevelofthedevicetobeemployedinsuchasystem.
【中国标准分类号】:L19
【国际标准分类号】:29_100_10
【页数】:12P.;A4
【正文语种】:英语
【原文标准名称】:回转磁装置的互调制发生水平测量方法
【标准号】:BSEN61843-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-10-15
【实施或试行日期】:1997-10-15
【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】:频率测量;信号发生器;调频;乱真信号;带通滤波器;互相调制;衰减;磁性器件
【英文主题词】:Bandoffrequencies;Communicationsystems;Components;Electricappliances;Electricalengineering;Ferrites;Frequencies;Frequencylevel;Frequencymeasurement;Frequencymodulation;Frequencymodulators;Frequencyranges;Gyromagnetic;Intermodulation;Levelsender;Levels;Magneticcomponents;Measuringtechniques;Mobileradiosystems;Performance;Radiotransmitters;Radiofrequencies;Satellitecommunications;Signalfrequency;Signallevel;Signals;Signal-to-interferenceratio;Transmitters
【摘要】:ThisInternationalStandarddescribesthemeasuringmethodforthelevelofintermodulationproductsgeneratedinagyromagneticdevice.Whentwoormoresignalsofdifferentfrequenciesenterintoadeviceand/orequipmenthavingnon-linearcharacteristics(contactpoint,flexiblewaveguide,ferritedevice,etc.).harmonicsaregeneratedinthatdeviceand/orequipment.Moreover,differentialoraddedfrequenciesoccurinthedeviceduetomixingofharmonicsoraharmonicandthefundamentalfrequency.Theseresultantfrequenciescreatenoisecausinginterference.Intransmitter/receiverduplexingsystemsandradiorelaysystems,manyfrequenciesareallocatedtoaspecifiedbandsothatcombinationsoftransmittingfrequenciesandharmonicsmayfallonthereceivingband.Thiscausesdeteriorationofcommunicationqualityduetointermodulation.Sincetheintermodulationinterferencescannotbepreventedbyfiltering,itisimportanttoevaluatetheintermodulationproductslevelofthedevicetobeemployedinsuchasystem.
【中国标准分类号】:L19
【国际标准分类号】:29_100_10
【页数】:12P.;A4
【正文语种】:英语
下载地址: 点击此处下载