Research on Beam Widening of Spaceborne SAR

Xu Hui; Li Jian-xin; Hu Ming-chun

doi:10.3724/SP.J.1146.2005.00985

Volume 29 Issue 3

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Article Navigation > Journal of Electronics & Information Technology > 2007 > 29(3): 540-543

Xu Hui, Li Jian-xin, Hu Ming-chun. Research on Beam Widening of Spaceborne SAR[J]. Journal of Electronics & Information Technology, 2007, 29(3): 540-543. doi: 10.3724/SP.J.1146.2005.00985

Citation:

Xu Hui, Li Jian-xin, Hu Ming-chun. Research on Beam Widening of Spaceborne SAR[J]. Journal of Electronics & Information Technology, 2007, 29(3): 540-543. doi: 10.3724/SP.J.1146.2005.00985

Xu Hui, Li Jian-xin, Hu Ming-chun. Research on Beam Widening of Spaceborne SAR[J]. Journal of Electronics & Information Technology, 2007, 29(3): 540-543. doi: 10.3724/SP.J.1146.2005.00985

Citation:

Xu Hui, Li Jian-xin, Hu Ming-chun. Research on Beam Widening of Spaceborne SAR[J]. Journal of Electronics & Information Technology, 2007, 29(3): 540-543. doi: 10.3724/SP.J.1146.2005.00985

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Research on Beam Widening of Spaceborne SAR

doi: 10.3724/SP.J.1146.2005.00985

Received Date: 2005-08-09
Rev Recd Date: 2006-02-09
Publish Date: 2007-03-19

Abstract

Abstract

This paper proposes a novel mixed genetic algorithmActive Mutating Anneal-Genetic Algorithm(AMAGA) based on sorting and describes an elevation beam widening method of spaceborne SAR antenna, which only changes the phases at part of array elements and so called Partly Phase-only Weighting Method (PPWM). Moreover, the resulting phases need not be quantized and can be directly applied to engineering project. In comparison with the fully phase-only weighting method for beam widening, the partly phase-only method for beam widening is more realizable and more flexible. Simulated examples show that the mainlobe notch of widened beam can be controlled finely with lower sidelobe.

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References(1)

References

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