Fast calculation method of complex space targets’ optical cross section: erratum

Han, Yi; Sun, Heming; Li, Yingchun; Guo, Huichao

doi:10.1364/ao.53.001142

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2014

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“…The general relationships between the OCS of the target and the BRDF, as well as the target's visual magnitude have been analyzed and discussed in our other articles [18,19] in detail. Based on these corresponding equations, when the observation distance R is 500, 1000, 10 000 and 36 000 km, the change in magnitude of the target with OCS ranging from 0.01 to 20 m 2 is shown in figure 1.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the optical scattering characteristics of different types of space targets

Han

Sun

Feng

et al. 2014

Meas. Sci. Technol.

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This paper mainly focused on the measurement, evaluation and potential identification methods of the unresolved space target's photometric characteristics. The bidirectional reflectance distribution function (BRDF) measurement system was introduced first, and then the measurement error of BRDF and its influence on target's optical cross section (OCS) and magnitude were analyzed. Then, different space targets’ OCS and magnitude changing with different factors, such as surface materials and shapes, flying conditions and working states, were analyzed respectively, and some general inclusions of variation laws were deduced. This research can provide references for future studies on space target classification and identification based on the photometric measurement data.

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Section: Introductionmentioning

confidence: 99%