Speckle reduction of synthetic aperture imaging ladar based on wavelength characteristics-中国期刊网

摘要 Weproposeaspeckle-reductionmethodbasedonwavelengthcharacteristicsofspeckleeffectinsyntheticapertureimagingladar(SAIL).Thereturnsignal,whichisthebackscatteringfieldwithspeckleeffectfromtheroughsurfaceoftarget,canbeintegratedoverNchirpperiodsandheterodynedetectedwithalocal-oscillatorsignal.Afterperformingimageprocessingrespectively,thefinalimagecanberegardedastheincoherentsuperpositionoftheNsub-images.Numericalsimulationsindicatetheeffectivenessofthismethod.OurresearchmayfacilitatepracticalapplicationsofSAIL.

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Speckle reduction of synthetic aperture imaging ladar based on wavelength characteristics

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Speckle reduction of synthetic aperture imaging ladar based on wavelength characteristics

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