激光光譜探測中快速傅里葉變換的FPGA實現(xiàn).pdf

1、圖書分類號一工盟，1■哥級韭墅碩士學(xué)位論文激光當(dāng)遭豎型史迭堡堡里吐變逸絲E旦臥實現(xiàn)指導(dǎo)教師(姓名、職稱)堂望壟熬攫申請學(xué)位級別王堂亟專業(yè)名稱揎蜜邀器盈扭煎論文提交日期一2QQ!論變篝辯日期年月——日2007一一年月——日學(xué)位攫警日期——年——月——日論文評閱人翌蘭盈至當(dāng)螫答辯委員會主席壑生2l2007年5月20日中北學(xué)學(xué)學(xué)位論文TheRealizationofFastFourierTransformBasedonFPGAinLaserS

2、pectrumDetectionAbstractLaserspectrumdetectionis觚importanttechnologywhichisusedinthedomainsoflaserreeonnaissance、laserwarningandcontaminationdetectionTheidentificationofthearrivinglaserspectrumcanprovideabasisforopticele

3、ctroniccountermeasureOnthebaseofstudyingand刪yziIlgthecurrentlaserspectrumdeterminationtechnologythepaperus髓thenonscanningMzinterferencetoobtainthelaserinterferencefringe，afermakingFastFourierTransformtotheinterferencefri

4、ngec蛆obtainthelasersp@ecffllminrealtimeLaserinterferencefringesformedinMzinterferometerisconvertedintotimeseriesbyaCCDc鋤emTheFastFourierTransformoftimeseriescanbeachievedinFPGAAccordingtothesystemresponsetimeandS】蝴艮thede

5、tectorArrayandparameteragechosenTheint覷TacedrcuitsbetwoenFPGAandcamctaandthemoduleofdatatransmission、storage躺alsodesignedInordertorealizeFastFourierTransformtheradix2decimationintime(D1T)algorithmisusedBasedOilthehardw村e

6、ofXC3S400，andsoareISE81，byusingk嗽k噙redescfi砸0nlanguage，theFFrmodulehasbeendesignedtoachieveoftimeseriesofsignalwith512pointand10bitprecisionAlltheprogramsarcdownloadtotheconfigurationchipsuccessfullyThep耐pherycircuitssuc

7、haspowersupplymodule、displaymoduleandeonfigmeciTcaithavebeendesignedAttheendofthispapercomparisonoftheFastFourierTransformresultbetweenbyusingFPGAmoduleandthetheoreticalcomputationofthe5ameinterferencefringehasbeendone，W