- Theacousticfeedbackevenhowlingisawell-knownprobleminsoundreinforcementsystem.Thispaperdescribesthedesignofafrequencyshiftertosuppressacousticfeedback,tobestudiedbytheexperimentalmethod....
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- 1、Targetidentificationusingmovingtarget'sacousticwaveisabasictaskoftheacousticdetectionsystem.2、CombinedRIVandacousticdetectionfortransformerpartialdischarge3、Withtheprogressivedevelopmentofunderwateracousticdetectionandacoustic-guidedweapons,mor...
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- TheionacousticwaveisgreatlyaffectedbynonlinearLandaudamping.Inchaptertwo,the(3+1)dimensionalweaklynonlinearionacousticwaveathigherordertransverseperturbationsinplasmawasdiscussedanddescribedbytheKadomtsev-Petviashvili(KP)equation....
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- Anillegalmeansofaccessingcomputerdataviaatelephonelinkusingamodemoracousticcoupler.Thetimespentwaitingforthedesiredlocationtoappearunderthereader,ordiskheads,orattheendofanacousticcoupler....
- 19558
- seismicacousticimpedancelogUltrasonicdeterminationofcarbonfibercompositeporosityusingacousticimpedanceReflectioncoefficientchangingofacousticimpedanceinterfaceduringoilfielddevelopmentInstrumentsforthemeasurementofauralacousticimpedance/admittanceInc...
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- 1、AcousticpropagationpropertyandapplicationofHartmannacousticgenerator2、Hartmannhydrodynamicacousticgeneratorcanbeusedforacoustictreatmentandischaracterizedbylowcost,simpleconstruction,durabilityandconvenientpowersource.3、Comparisonofhydrodynamica...
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- laserheterodyneacousticsensorinterferometricopticalfiberacousticsensorForthedevelopmentofnew-technicunderwateracousticdetectionequipment,theStateKeyLaboratoryofOceanAcousticsneedstotestthedynamicdataoftheunderwateracousticsensor.TheMH-60Rcollectsandp...
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- wiretypeacousticdelaylineThecloakingtechnologyalsomayaffectnonlinearacousticphenomena.Evenatthisdistance,thestressesaretoogreatforwell-behavedacoustictransmission.TestmethodforbulkacousticwaveattenuationofpiezoelectriclithiumniobatecrystalsOnce,Iback...
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- 1、acousticemissionpulser2、acousticemissioninspection3、two-channelacousticemissionanalyzer4、Mortarmechanicalpropertiesundersulphatecorrosionbyacousticemissiontest5、multi-functionacousticemissionmessagedistributingcharacteristicsdetector6、Basedon...
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- 1、aunitofacousticabsorptionequivalenttotheabsorptionbyasquarefootofasurfacethatabsorbsallincidentsound.2、Theclosedcellpolyimidefoamswerefabricatedbyfoamingtheprecursorballoons,andthefoams'acousticabsorptionpropertiesweretested.3、These'trees'pro...
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- surfaceacousticwavefrequencydiscriminatorsurfaceacousticwavepressuretransducereacousticwavepressuresensorcirculatingsurfaceacousticwavedelaylineeacousticwavepulsecompressionfilterTwo-dimensionalactuationofliquidusingsurfaceacousticwaveDatacommunicati...
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- Asthebasisofauditoriumacousticdesign,onlyindependentparameterscanbeimportantandmeaningful.Thispapermakesastudyofhowtoobtainanidealsoundeffectswhichwillguaranteeboththeclearlanguagearticulationandthehighfidelityofmusicandofeffectsoundfromtheaspectsoft...
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- Once,IbackpackedaroundEuropeandIbroughtanacousticguitarwithme.“SoldierofLove”issobereftofsaxophoneandleanssoheavilyonacousticguitarthatit’salmostanambientversionofcountrymusic,whichsuitsthesinger’sstrengthsjustfine....
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