摘要
Alargemagnetizedplasmasheetwithsizeof60cmx60cmx2cmwasgeneratedbyalinearhollowcathodedischargeundertheconfinementofauniformmagneticfieldgeneratedbyaHelmholtzCoil.Themicrowavetransmissioncharacteristicoftheplasmasheetwasmeasuredfordifferentincidentfrequencies,incaseswiththeelectricfieldpolarizationoftheincidentmicrowaveeitherperpendicularorparalleltothemagneticfield.Inthismeasurement,parametersoftheplasmasheetwerechangedbyvaryingthedischargecurrentandmagneticfieldintensity.Intheexperiment,upperhybridresonancephenomenawereobservedwhentheelectricfieldpolarizationoftheincidentwavewasperpendiculartothemagneticfield.Theseresonancephenomenacannotbefoundinthecaseofparallelpolarizationincidence.Thisresultisconsistentwiththeoreticalconsideration.Accordingtotheresonancecondition,theelectrondensityvaluesattheresonancepointsarecalculatedundervariousexperimentalconditions.Thiskindofresonancephenomenacanbeusedtodevelopaspecificmethodtodiagnosetheelectrondensityofthismagnetizedplasmasheetapparatus.Moreover,itispointedoutthattheoperatingparametersofthelargeplasmasheetinpracticalapplicationsshouldbeselectedtokeepawayfromtheupperhybridresonancepointtopreventsignalsfrompolarizationdistortion.
出版日期
2013年10月20日（中国期刊网平台首次上网日期，不代表论文的发表时间）
