亞毫米波輻射計設(shè)計的研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文亞毫米波輻射計設(shè)計的研究姓名：劉洪申請學(xué)位級別：碩士專業(yè)：電磁場與微波技術(shù)指導(dǎo)教師：郭偉20080601華中科技大學(xué)碩士學(xué)位論文華中科技大學(xué)碩士學(xué)位論文IIAbstractMicrowaveradiometerisadevicewhichcanreceiveradiantenergyfromobjects.thisdevicecandistinguishobjectsthroughthedifferenttemp

2、eraturesthatradiatefromthem.Generallymicrowaveradiometerisusedtoprovideimptantinfmationfthestudyofgeoscienceastrophysicsastrochemistry.Suchasoceanenvironmentalsurveillanceatmosphereexplationmolecularcloudsstarsfmationgal

3、acticstudy.Microwaveradiometeralsohasimptantvalueonmilitarystratagemwarfieldreconnaissancesecuritydrugdetection.Thedetectioncapabilityofradiometerisdeterminedbythetemperaturesensitivityspaceresolution.Bythedevelopmentofs

4、ciencetechnologystateofartsfabricatingradiometerthathashigherfrequencybecomereality.Submillimeterhasalotofmeritslikebroaderbbiggerinfmationcapacitancehigherresolutionbetterperfmanceofantiinterferencebetterabilityofperate

5、plasmbiggerfrequencyfloathighersensitivityofspeedmeasuring.Soithasmesignificancefdevelopingthesubmillimeterradiometer.Thispaperintroducesbasicconceptsofsubmillimetersubmillimeterradiometerusesmanywdstopresentdomesticover

6、seasdevelopmentofsubmillimeterradiometer.ThetheyofradiometricmeasurementtheoperatingprincipleofFullpowerradiometerDickradiometerarealsointroduced.ThroughthediscussionofFullpowerradiometerDickradiometerSchottkydiodemixerS

7、ISmixerlocaloscillatthedesignschemesofFrontendpoweramplifiersquarelawdetectarepresented.Thedesignofsubmillimeterradiometerisanunexploitedtechnologyrelatively.Asfthewholesystemthemainsectionsofsubmillimeterradiometermuchm