Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Analysis on reconstruction of virtual images of Fourier telescopy | |
S. H. Yu; L. Dong; X. Y. Liu and J. Y. Ling | |
2015 | |
发表期刊 | Acta Physica Sinica
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卷号 | 64期号:18 |
文章类型 | 期刊 |
其他摘要 | Four ier tel es co py can r ea li zehigh r es ol ut io ni magi ng to remo t e , smal l anddim t ar getby usi ng lase ras t he li ght s our ce .Th es ig nal -t o- no is era ti o of i magi ng s y st e mis easy t oi mpr ove b y in cr e as i ng t hea r ea of r e cei ve r . Howeve r , numer i cal s imul ati on s h ows tha t the re con st ru cti on im age ssomet imeshas av irtu al ph en omenon . It re duces t he quali ty ofr e co nstr uct i on image s , andeve ncan no thave a reso luti on t ot he ima ging target .B ased onFouri er te les co py imaging pr in c ip le , us ing T typ et r ansmit t in ga rray, th e reaso no f formi ng vir t ual images is ind ic at ed b y ma th emat ical deduct i on . Thes p at ial f req uency e rr or betwee nt heac tual g ett i ng an ds et t ing wo uld be produced when t he las e r b eamss ca nt he x or y axi swit h pi tcher ror .Theerr o r wou ld caus e th e randomp has e in fluenc ewh en calcu lati ng the s i ngl e Fo uri er fr e que ncy of targ etby us in gp has ecl o sure on the ax is and quadrants c an .Us ing i nte gr at ed sp at i alfre que ncyof tran smit t er ar r ay t or econs tr uct t hei ma geo f t arge t woul dca us eav ir t ual p he nomenon .B y co nt r as t in gr eco ns tr uct io n ima ges it i s fou nd that th eimag e qu al ity i s r educ edser iously, event he vir tual p hen omeno napp ears whe n the tr a nsmi tt i ng s ys t em i s axiall y s can nedwit h , pi tch er r or , ai rd it dec r ea ses s li ght l y o n quadrant s can . I nt h e p re sent pape r , we consi der t here ason of t he pha s ecl os ur e of q uadr anto f T typ e tr ans mi tt i n g ar r ay r el i es on axi al fre quency.At the s ame pi tcher ro r , dif fere nts can me t hodswouldca us edi ffer ent r eco ns truc ti on i mage s .The dir ect ions o f virt ual i mage sar e t he s ame wit hi n th eaxi al er ror . The c omput er s i mul at ion confirms t hevali di ty of thea bove ana lys is by thr eediferent mo des of tr ansmi tt er ar r ay thro ugh , us in g t he n ext fi eld expe r ime nt p ar amet er s |
收录类别 | sci |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/55943 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | S. H. Yu,L. Dong,X. Y. Liu and J. Y. Ling. Analysis on reconstruction of virtual images of Fourier telescopy[J]. Acta Physica Sinica,2015,64(18). |
APA | S. H. Yu,L. Dong,&X. Y. Liu and J. Y. Ling.(2015).Analysis on reconstruction of virtual images of Fourier telescopy.Acta Physica Sinica,64(18). |
MLA | S. H. Yu,et al."Analysis on reconstruction of virtual images of Fourier telescopy".Acta Physica Sinica 64.18(2015). |
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