An Improved Subspace-Based Optimization Method and Its Implementation in Solving Three-Dimensional Inverse Problems

作者：Zhong Yu^*; Chen Xudong; Agarwal Krishna

来源：IEEE Transactions on Geoscience and Remote Sensing, 2010, 48(10): 3763-3768.

DOI：10.1109/TGRS.2010.2049744

• Inverse scattering
• optimization
• 3-D inverse problems

This paper proposes an improved subspace-based optimization method (SOM) by using a new construction method for the ambiguous part of the induced current. The new current construction method reduces not only the computational complexity of the current construction in every iteration of the optimization but also the computational complexity of the singular-value decomposition of the mapping from the induced current to scattered fields. Thus, the improved SOM is able to deal with the 3-D inverse-scattering problems. Numerical tests validate the algorithm.

• 出版日期2010-10