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Peter P. Binoeder, Terry A. Perdue · 1984
~~~~~~~~~~~~~~~~~~A DTA EEo 35~~~~~~~~~~~~~~~~~~~~~~~~ BEEus '3 . , , , ETA 34 - s TSS - ~~ ~ ~~~en eettvl edwt ifrigdlyihrset attng meansincluding: beinge repetaitivel raeadrwith difetringeasmwithe rspect,fo (dl) first meanstogenerate apair ofdigital first self-test torthecmoduatieond wavefrmlt on thfetransmtted signeal,efo output signals having askewless thansaidpredeter- * produc~~~~sinasingth a sen plrity of difflerenigtaly corbrelte minedminimumtimeperiod; ,~~~2 sign~~~alsing theformaof+Q nhets I ofcmple digiteal numer (d2) second meanstogenerate apair ofdigital second hmavingrarso the foma mplQwere digia anduQbare oth reaand self-test output signals having askewgreater thansaid r~ ~ ~ ~~~~mgnr at ftecmlxdgtlnmesoto h predetermined minimumtimeperiod; a f~~~~~~~~~~~~irst meansandrandiare thereal andimaginary parts of (eslctmtiexreasfreevngadpisofu- thecmplexdigitl nubersutoftheirsteansndr putlines ofsaiddigital unit andsaid standard unit, andfor and aretherealandimaginary parts ofthecomplex receiving said first andsecond self-test output signals, said I.Inanoptically controlled phased arrayradar, thecombi- digital numbers outofthereadonly memorymeans; select multiplexor meansbeing controlled bysaid mainte- nation comprising: aplurality ofsourcesofoptical carriers; a (I) Fourier transforms means,responsive tothecorrelated nanceprocessor meanstoselect saidpairs ofoutput lines plurality ofantenna elements; acentral processor; andaplural- aignals, forproducing alike plurality offrequency spectra; ofsaiddigital andstandard units, orsaid first andsecond ity ofindividual optical waveguide transmission links connect- and self-test output signals fortransmittal tosaidanalyzing ingsaid central processor tosaid antenna elements totransmit (S) second means, responsive tothefrequency spectra outof means; said optical carriers thereto, saidl central prro-cssr coe-ntrollingthe- Fourie-r traknsform means, forcalculating thepropaga- (I) saidmaintenance processor meansforcontrollingz said