A Practical Method for Spatial Synchronization in Spaceborne/Airborne Hybrid Bi-static SAR

Zhou Peng; Pi Yi-ming

doi:10.3724/SP.J.1146.2006.01902

Volume 30 Issue 6

Dec. 2010

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Article Navigation > Journal of Electronics & Information Technology > 2008 > 30(6): 1312-1315

Zhou Peng, Pi Yi-ming. A Practical Method for Spatial Synchronization in Spaceborne/Airborne Hybrid Bi-static SAR[J]. Journal of Electronics & Information Technology, 2008, 30(6): 1312-1315. doi: 10.3724/SP.J.1146.2006.01902

Citation:

Zhou Peng, Pi Yi-ming. A Practical Method for Spatial Synchronization in Spaceborne/Airborne Hybrid Bi-static SAR[J]. Journal of Electronics & Information Technology, 2008, 30(6): 1312-1315. doi: 10.3724/SP.J.1146.2006.01902

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A Practical Method for Spatial Synchronization in Spaceborne/Airborne Hybrid Bi-static SAR

doi: 10.3724/SP.J.1146.2006.01902

Received Date: 2006-12-01
Rev Recd Date: 2007-06-11
Publish Date: 2008-06-19

Abstract

Abstract

Since there is high difference between the velocities of platforms, the spatial synchronization of the antenna footprints is a big methodical and technological challenge for spaceborne/airborne hybrid bi-static SAR. Based on the method presented in the published literatures, a mathematical model for antenna steering is established and a set of concerned formulae is derived aiming to accommodate the ellipsoidal trajectory of satellites, the ellipsoidal shape of the earth and non-parallel trajectories between the platforms. The practicability of the proposed method is verified by the result of the simulation, which shows that it can achieve useful scene extension in azimuth with an adequate resolution in azimuth.

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References(1)

References

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