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DIRD 21 DIRD High Frequency Gravitational Wave Communications

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4.52050andBeyond.........................................................................................37
5.0Acknowledgements.........................................................................................37
6.0References•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••37
AppendixA:NOl11enclature.................................
IIl......................................
11••••••••••••44
AppendixB:Li-BakerHFGWDetector•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••45
AppendixC:PerturbativePhotonFluxesGeneratedByHigh-Frequency
GravitationalWavesandTheirPhysicalEffects•••••..•••••••.•••.•••••...•.....•.•52
figures
Figure1.CommunicationLinkBlockDiagram•••••••••.•••••••••••••.••••••••••••••.••••.••••••••••••2
Figure2.ChangeinCentrifugalForceofOrbitingMasses,Afef,ReplacedbyChange
inTangentialForce,4ft,toAchieveHFGWRadiation...............................3
figure3.CircularResonatorGeometryUsingInfraredExcitation•••••.•••••••••••••••••••• 8
Figure4.RadiationPatternCalculatedbyLandauandLifshitz(1975)...•...............8
Figures.GWFluxGrowthAnalogoustoStackofNOrbitalPlanes•.••.•..•••..•n.........9
figure6.StackofCircular-Wave-GuidePlatesWithTypicalMoleculeJerks,Af's•••9
Figure7.Omni-DirectionalNatureoftheHFGWRadiationPattern•••••.•.•••••••••••••••10
Figure8.PredictedRelicGWEnergyDensityasaFunctionofFrequency•••••••••••••11
figure9.BirminghamUniversityHfGWDetector.................................................13
Figure10.INFNGenoaHFGWDetector•••••.••••••••••••..•••..••.•••••.•..•••.••••••••••••.••••••••••13
Figure11.TheNationalAstronomicalObservatoryofJapan100MHzDetector•••14
Figure12.DetectionPhotonsSenttoLocationsthatareLessAffectedbyNoise••15
Figure13.QuantumBackActionasaMechanismforCreatingtheStandard
QuantumLimit...•.•...•..••..•.•.....•.•••.•••••••.••..••••••••..••.•••••.•..•••.•••.••.•....•••..17
Figure14.SchematicofUltra-SensitiveHfGWDetector.......................................21
Figure15.FractalMembraneComponentofLi-BakerDetectorExhibitedinPlanar
FOrm••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••21
Figure16.ConceptualSNRFillFactors:SignalandNoiseComponents••••.••.••••••••23
figure17.ABlockDiagramofaTypicalLinkBudget.••.•••.••••..•••••••.....••••••.••.••••••••24
Figure18.AProposedNearEarthDistributionofFrequencyTimeStandard••.•••••26
Figure19.HFGWSupplementedRemoteTerminalDesign•••••.•••••••••••.••••••••••••.••.••27
figure20.AcquisitionSearchSpaceImprovementAccruingFromHfGWfTS..•...28
Figure21.TheImpactofPhaseNoiseImprovementsonPhaseShiftEncoding•••29
Figure22.TheImpactofFrequencyNoiseImprovementsonFDMAandFHSS •••••30
figure23.TheEarth'sAssociatedLagrangianPoints...........................................31
Figure24.HFGWComSpaceApplicationDevelopmentRoadmap,Estimated
Timellne••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••32
figure25.AGWPaironEarthasUsedbyaLunarMission...................................34
Figure26.AGWPaironEarthandontheMoon,asUsedbyaMissiontoMars••••3S
Figure27.AGWPaironEarthandonMarsforanOuterPlanetaryReference
Pair••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••3S

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