相控阵雷达数字T-R组件研究

TöRX(230031)(DDS)TöR,DDS,,TöR,,DigitalTöRModulesforPhasedArrayRadarWUMan-qingJINXue-mingTANJian-mei(EastChinaResearchInstituteofElectronicEngineeringHefei230031)AbstractTheprincipleofdigitalTöRmodulebasedondirectdigitalsynthesis(DDS)technologyispro2posed,andtheexperimentresultsonthedigitalTöRmodulearegiveninthispaper.KeywordsdigitalTöRmodule,DDS,beamcontrol1,,,,,Eli.Brookner1,,1993DDS2DDS,DDS1995,AdrianGarrodTöR3,DDSTöR,13DBF1996DDSTöR,19984DDSDBF,,8DBFTöR,DDSTöR,TöR,,2TöRTöRDBF11öDBF,,,TöR,22TöRTöR:DDS200142X:20000929,,:DDS(DBF,):DDS,IöQ():,ö(),ö,ö,DDS,DBF,DDSDDS,,:(1Ls)43TöRTöR,,DDS()DDSTöRTöR4TöRTöRDDS,,,DDS,DDS,,,,,,,()TöR,TöR,,,DDS,,TöRTöR,,,,,33DBF,TöR,8TöR8DBF5DDS,,:(1)DDS,(2)DDSDDS,:852310Ls1MHz50dB45dB29dBm(a)(b)(c)441,,2012.5MHz,(c),45dB(:SPAN100kHzRBW1kHzVBW1kHz)DDS,DDS;DDS,HP,:TöR,,,DDS,;DDS,,DDS1TöR2012.5MHz,12,561DDS(:)011.2522.533.754556.2567.578.75011.122.633.544.755.966.978.290101.25112.5123.75135146.25157.5168.7589.6100.8112.2123.6134.6146.1157.2168.5180191.25202.5213.75225236.25247.5258.75179.7191202.7214.36225.5236.9248259.1270281.25292.5303.75315326.25337.5348.75270.25281.2292.8303.9315.4327338349.12DDS(:)03691215182102.675.678.8411.841517.8420.842427303336394245242729.8432.535.8438.541.84450360,0.5,952:TöR5RFDDS6RFDDS045dB,0.5dB,TöR,DDS,,,35dB6TöRDBF,DBF,TöR,,,8öTöR,,,,TöR(),,DDS,DDSöDBF1Eli.Brookner.Phased2arrayRadars.ScientificAmerican,1985,Vol.252(2):76842,..,,1993.10:2382433AdrianGarrod.DigitalModulesforPhaseArrayRadar.IEEEInternationalRadarConference.1995:7267314.DDSDBF.,1996(2):913,1990,,301997,,1989,,:DDS,,,,,()0623