激光成像雷达DMD目标模拟器图像灰度级控制方法

激光成像雷达DMD目标模拟器图像灰度级控制方法 激光成像雷达DMD目标模拟器图像灰度级 控制方法 35???e???p???i?n???????I2006??10?S V01?n35SuppIeme??In??red??dLas??EnginNlringOcL2006 ?????d??????DMD???V?T?????????????????'???? ?v???e???n???e???A???e???? 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Abstract?MT1lecharacteristicsofspatial1iglltmodulator?0dcorI??ollinggray1evelofDM DhaVebeen particularlyin??oducedinthispaper?nThenthecon??ollingmethodoflaserimagiIlgradarDMDobjectsimulation renectedimagevDsgrayleVelisputfonVard?nDMDisanewtypeofcomponentmatiIltegrateswithmicroelec??onics?e microvEmachiIle??andmicro????tics?eanditcanbeusedinthespatiallightmodulator?nInhardwarein?dleloop simulationof??elaserimagillgradarsystem?etheimagesignalgeneratedbythecomputerimagiIlggenerator ??ansfo??stllepulsewidT?lmodulatecon??011ingsignal?edriVesDMDobjectsimulation?e??dproducesdif??rentgray levels0freflectedimage?nTherefore?eDMDo_bjectsiIIlulationiIlhardwareiIl??elo??simulationof??el?Eer??aging radarhaLsbeenproVedpracticable?n Keywords?MDMD?(objectsiIIlulation?(PulsewidthmoduI?R?(GmyleVel O?g?? ?h?????d???????????????o?Z?e???V?T?????T?????G???V?????0?????e?e???i???V?T?????T???????G ???V?????0????J5?????e?????d?????????V?T?????u???I?????M???????????K?OJ3?????????????0??????J3 ?'?]???o?M2006?n07?n26 ???6?????M?v??(1?62?n)?e?w?e?????)?????e?????o?e?4???????????????o?????????????G???E???n 35?? ?????????????e???????????????????????????????????????????|J5???Z?e???????????????V?T?????m?? ?5?h?????????????e?e?E???5?h?????i?????e?G???????h?2?????_???????V?T???????????|J5 ?????????o?e???1?????????1????(????)?????-???o???V?????d?????o?????Z???????3?????E???? ????????J5?M???????????o???G?e???h???????????d?d?????I?Z???0???V?V?????e???w???????C?C?????? ?????w?j???e?????C?C???L?????d?j?e?????E?'???oJ5DMD?????G???????????????????????????e?M???? ???K???????e???'DMD???R?p?d?"?p?V?y???r???0???R?????e?????0?JDMD???R?p?????????0?d???>?? ???e???Z???y?????0???R???????y???vIlJJ5 ?hDMD???V?T?????Z?e???????????????'?G???????H???GJ5?j???????M??DMD?????????????0???? ???????0?????2?'?e???u???2?'(PWM)?T?r?I????f2?e3J?e???T???u?????V?m?e?????????+?????e?e?????E ???????h?????y??????J5 1????????????(DMD)???????1 DMD?????-?d?"?p?V?y???!???????S?????????d?e?????????????d?d?????IJ5?????0???m?e???????e ?????0???????0?????m?e?e?????y?????????????y??????J5?????????0??v)??vt?3???e???0???????M?????? ?r?????J?????p?e?????p???????3?(?????????0??v)??vt?3???e???0?????m?J?????p?e?????p?????????3J5?P?? ???????'????????J3?????3?e???T???????V?????0????J5 ????l?=?+?e???v?????Q???!???e?????r???!???h ???v???????Z?????p?e???????0???n???????????????P ???+20J5???e?D???0???n?????Z???????????P?????+ 200?e?h?????????I?e???0?????m???????????r?????? ???e???u???L???????r???r???J?????????e???j?????? ???3?+v)??vt?3?(?h???0?????????0???L???????r???? ?????m?????????I?e?????v?????????????L????100(?? +l001???e?D???0?????n???0???????P???+200?e???? ?????0?????????G?????r???????????L?e???G???????M ???????r???e?????0?J???????p?e???????3?e???+v)??vt ?3?(?????v?????-?Q???????1???????L????100??(?? ??10J51?e???0?????L???????r?????????m???e?D???0?? ???n???0???????P???+400?e?????????0?????????r?? ?????e?h???????p???????3?e???+v)??vt?3J5J5???y??????l?????????????????+?r?? ?0???????????y???v?e???????i?????(??????I?gJ5Fig?n1DMDo??calswi??ingprhlciple 2DMD???????0?????????????'???? ?hDMD?????!?+???G?Z?e???????????h?????'J3?1???u???????2?'(PWM)???G?????0?1J5???????' ???"?????????????u???2?'?e???e?????y???R?????????????????????'?????d??????????????J5 ?R???????4?????+T??e?0???????+?j?????e??????MSB???+?jT????eMSBvEl???+?jT??n1???eMsB?n2 ????MsB?n3?????T????J5?D???y?????R?????????T?1?b2???r2T???1?y?C??J5??2?G???y??4???????'???? ?????u???????2?'(PWM)???'???u?????O?2??J5???y?C??(????1?r50s)???1?+4?y?????????????R?e?? 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