Researching | Theoretical Model on Geosynchronous Orbit Object Imaging with Space-Borne Synthetic Aperture Ladar

Acta Optica Sinica, Volume. 40, Issue 18, 1828002(2020)

Theoretical Model on Geosynchronous Orbit Object Imaging with Space-Borne Synthetic Aperture Ladar

Debin Wang^1,2, Jin Wu^1,2、*, Tong Wu^1,2, and Jiayi Ke^1,2

Author Affiliations

¹Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

²School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

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References (17)

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Figures & Tables(7)

Fig. 1. Geometric coordinates of space-borne SAL and GEO object

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Fig. 2. Geometry of transverse relative velocity

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Fig. 3. Relationship of geometric coordinates

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Fig. 4. Simulation target setting

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Fig. 5. Simulated space-borne SAL images. (a) θ_sq=-10°; (b) θ_sq=0; (c) θ_sq=+10°

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Fig. 6. Images after geometric correction. (a) θ_sq=-10°; (b) θ_sq=+10°

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Table 1. Parameter setting
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Table 1. Parameter setting
Parameter Value
${R_{1}}_{}$ /km 41978
${R_{2}}_{}$ /km 42178
α /(°) 10
Wavelength of SAL /nm 1550
Band width of SAL /GHz 3
Pulse width of SAL /μs 10

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Debin Wang, Jin Wu, Tong Wu, Jiayi Ke. Theoretical Model on Geosynchronous Orbit Object Imaging with Space-Borne Synthetic Aperture Ladar[J]. Acta Optica Sinica, 2020, 40(18): 1828002

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Paper Information

Category: Remote Sensing and Sensors

Received: Mar. 2, 2020

Accepted: Jun. 9, 2020

Published Online: Aug. 28, 2020

The Author Email: Wu Jin (jwu@mail.ie.ac.cn)

DOI:10.3788/AOS202040.1828002

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology