Noise Temperature Theory and Applications for Deep Space Antenna Systems

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1、NoiseTemperatureTheoryandApplicationsforDeepSpaceCommunicationsAntennaSystemsTomY.OtoshiLibraryofCongressCataloging-in-PublicationDataAcatalogrecordforthisbookisavailablefromtheU.S.LibraryofCongress.BritishLibraryCataloguinginPublicationDataAcataloguerecordforthisbookis

2、availablefromtheBritishLibrary.ISBN-13:978-1-59693-377-4CoverdesignbyIgorValdman2008ARTECHHOUSE,INC.685CantonStreetNorwood,MA02062Allrightsreserved.PrintedandboundintheUnitedStatesofAmerica.Nopartofthisbookmaybereproducedorutilizedinanyformorbyanymeans,electronicormech

3、anical,includingphotocopying,recording,orbyanyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.Alltermsmentionedinthisbookthatareknowntobetrademarksorservicemarkshavebeenappropriatelycapitalized.ArtechHousecannotattesttotheaccuracyofthisin

4、formation.Useofaterminthisbookshouldnotberegardedasaffectingthevalidityofanytrademarkorservicemark.10987654321TomywifeHarukoShirleyOtoshi,mysonJohnTerenceOtoshi,andmydaughterKathrynAnnOtoshi,whoallsharedinmy40ormoreyearsofaspirationsandendeavorsattheJetPropulsionLaborat

5、ory,CaliforniaInstituteofTechnologyinPasadena,CaliforniaContentsForewordxiPrefacexiiiAcknowledgmentsxvCHAPTER1IntroductoryTopics11.1AntennaNoiseTemperatureasFunctionsofPointingAngles11.1.1ZenithFormula11.1.2SkyBrightnessTemperature61.1.3GroundBrightnessTemperature111.1.

6、4FormulaforNonzenithPointingAngles171.1.5TippingCurveApplications221.2CosmicBackgroundNoiseTemperature371.2.1Introduction371.2.2CalibrationEquation371.2.3ExperimentalResults391.2.4Commentary391.3PortableMicrowaveTestPackages401.3.1Introduction401.3.2Test-PackageDescript

7、ions411.3.3TestConfigurationsandTestProcedure421.3.4Noise-TemperatureMeasurementMethod441.3.5Noise-TemperatureMeasurementResults471.3.6ConcludingRemarks501.4DichroicPlateinaBeam-WaveguideAntennaSystem501.4.1Introduction501.4.2Background511.4.3AnalyticalMethod541.4.4Expe

8、rimentalWork621.4.5Conclusions66References66SelectedBibliography69viiviiiContentsCHAPTER2ReflectorSurfaces712.