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Alternative TitleOptimization for Rotating Thinned Array of Synthetic Aperture Radiometer
孙逢林; 张升伟
Source Publication电子与信息学报
Keyword干涉式被动成像系统 自旋式稀疏阵列设计 量子雁群粒子群优化算法
Other AbstractThis paper proposes two novel objective functions and a new heuristic optimization algorithm for rotating synthetic aperture passive imaging system which has non-uniform sampling scheme. Firstly, this paper introduces two objective functions named modified minimum electric charge energy and minimum error gridding, while the mostly used maximum baselines distance product objective function introduced by Cornwell will results in dense baseline distribution in centric and boundary area but sparse in the middle. To overcome the problem of updating global best position slowly, rising the risk of being trapped in local extremum by standard Particle Swarm Optimization (PSO), this paper introduces the novel Quantum-Goose Particle Swarm Optimization (QGPSO), which outperforms the existing method of global exploration efficiency and accuracy. Numerical simulations validate that these two functions provide more uniform radial baseline distribution and minimum error gridding objective function provides the most accurate reconstructed image. This method proposes reference for practical design and application of rotating thinned array.
Indexed ByEI ; CSCD
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Document Type期刊论文
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GB/T 7714
孙逢林,张升伟. 自旋式综合孔径微波辐射计稀疏阵列布局优化设计[J]. 电子与信息学报,2014,36(10):2491-2496.
APA 孙逢林,&张升伟.(2014).自旋式综合孔径微波辐射计稀疏阵列布局优化设计.电子与信息学报,36(10),2491-2496.
MLA 孙逢林,et al."自旋式综合孔径微波辐射计稀疏阵列布局优化设计".电子与信息学报 36.10(2014):2491-2496.
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