{"title":"A discrete modulation transfer function for focal plane arrays","authors":"A.H. Lettington, Q.H. Hong","doi":"10.1016/0020-0891(93)90042-6","DOIUrl":null,"url":null,"abstract":"<div><p>A mathematical method has been developed to characterize discrete devices such as focal plane arrays. It is shown that by using discrete Fourier transform techniques, the previous non-isoplanatic (space variant) problem may be avoided and the analysis of aliasing made easier.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 1","pages":"Pages 109-114"},"PeriodicalIF":0.0000,"publicationDate":"1993-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90042-6","citationCount":"22","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Infrared physics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0020089193900426","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 22
Abstract
A mathematical method has been developed to characterize discrete devices such as focal plane arrays. It is shown that by using discrete Fourier transform techniques, the previous non-isoplanatic (space variant) problem may be avoided and the analysis of aliasing made easier.
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