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Imaging analysis of optical synthetic aperture system with the immediate/para-immediate u-v coverage

Lookup NU author(s): Professor Gui Yun TianORCiD


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The indispensable information regarding the image reconstruction is derived immediately/para-immediately by the optical synthetic aperture imaging with the immediate/para-immediate u-v coverage with the samples taking from the space frequency domain. The image of the observed object is obtained. The advantages of the immediate/para-immediate observation using the optical synthetic aperture imaging technology with the immediate/para-immediate u-v coverage are introduced. The analysis of imaging for LBT is proceeded as an example. It deduces the point-spread function and optical transfer function of the LBT system based on the algorithm of the Fast Fourier Transform (FFT), convolution and deconvolution. It also discusses the global transform function and its influence on the effect of imaging. It explains the imaging properties of the immediate/para-immediate u-v coverage. With the means of the experimental simulation, it tests and verifies that the global transform function could restore the image of celestial body under the circumstance which fits the condition of the imaging of the para-immediate u-v coverage.

Publication metadata

Author(s): Wang H, Cai J, Wei P, Zhang Y, Zhu Y, Tian G

Publication type: Article

Publication status: Published

Journal: Guangzi Xuebao/Acta Photonica Sinica

Year: 2010

Volume: 39

Issue: 2

Pages: 260-265

Print publication date: 01/02/2010

ISSN (print): 1004-4213

ISSN (electronic):

Publisher: Kexue Chubanshe


DOI: 10.3788/gzxb20103902.0260


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