00948nam a2200217 c 4500001001500000005001500015008004100030040001900071041001300090049001800103052002100121056001300142082001700155100004800172245020400220260003600424300002900460502008000489653014100569963002000710KDM199718660  19970709095929970709s1997    hbka       LA 000   kor    a011001c0110010 akorbeng0 lEM1544400fDP01a566.5b정432ㅂ  a566.5240 a621.38112191 a정종은,g鄭鍾溵,d1954-0KAC20184667110a복극 4레벨 데이타 방식을 이용한 혼돈 대역 확산 통신에 관한 연구=x(A)study on the spread communication through modulation of chaos using polar quarternary method/d정종은  a청주:b淸州大學校,c1997  aix,146p.:b삽도;c26cm1 a학위논문(박사) --b청주대학교 대학원:c전자공학과,d1997  a복극a4레벨a데이타a방식a혼돈a대역a확산a통신aSPREADaCOMMUNICATIONaMODULATIONaCHAOSaPOLARaQUARTERNARYaMETHOD  a전자공학과