探地雷達中數(shù)據(jù)采集系統(tǒng)的研究與設(shè)計.pdf

1、電子科技大學(xué)碩士學(xué)位論文探地雷達中數(shù)據(jù)采集系統(tǒng)的研究與設(shè)計姓名：朱海帆申請學(xué)位級別：碩士專業(yè)：無線電物理指導(dǎo)教師：聶在平潘錦20040101AbstractGroundPenetratingRadar(GPR)isanewtechniquewhichdevelopsrapidlyfromthe1970sRencentlythetechniqueisbroadlyappiiedinsuchfieldsasarcheology，reconn

2、aissance，buildingstructureinspecting，etaTheoverseastechniqueofGPRisiiioreadvancedthanthatofdomesticbecausetheybegantheresearchinthisfieldearlierthanusOnthebaseofoverseasadvancedtechniqueforreference，wehavemadegreatprogre

3、ssintheresearchofGPRForexample，SomesampleGPRmadeinourcountryhasbeenusedinmanyfieldsGPRSystemiscomposedmainlybypulsesignalgenerator，thebroadbandtransmitting／receivingantennas，thedataacquisitionsystemandthedigitalsignalpro

4、cessingTheworkofthispaperisstudyinganddesigningthethedataacquisitionsystemthissystemusingaDDSasthesteppingclockgeneratorandMCUascontrolunit，andtransmitthedataacquiredbyA／Dconvertertothecomputercomparedwiththeearlysystemt

5、hisonehassuchadvantageashighresolution，lowcost，highintegrationleveletcInthispaper，theauthoranalysesanddesignseachunitconstitutingtheGPRsystemthemaincontentsofthispaperare：1、Describingthepresentsituationandtheoryfoundatio

6、nofGPR2、Studythegenerationprincipleofnanosecondpulseisstudied，compareThepropertiesofseveraltypesofultrabroadbandantennacompare3、DiscussthetheoryofDataacquisition，4StudyanddesignthehighspeeddataacquisitionsystemKevword：GP