电子学报2012，Vol.40Issue(12)：2562-2566,5.DOI:10.3969/j.issn.0372-2112.2012.12.034
共形阵列天线信源方位与极化状态的联合估计算法
Joint DOA and Polarization Estimation Algorithm for Conformal Array Antenna
摘要
Abstract
Considering the special manifold characteristic of conformal array, a joint DOA and polarization estimation algorithm is proposed based on rank-deficiency theory. The new algorithm can achieve accurate and high-resolution DOA estimation without the exact knowledge of the source polarization. Simultaneously, favorable polarization estimation can also be acquired jointly with DOA estimation. The proposed method can be applied to arbitrary conformal array structure and only high-dimensional nonlinear search associated with the 2D DOA estimation is involved in its implementation. Compared with the classical joint DOA and polarization estimation algorithm based on high-dimensional nonlinear search,this reduces the computational complexity considerably. The theory performance is analyzed and the CRB (Cramer-Rao Bound) is derived for this algorithm.Monte-Carlo simulation results are provided to demonstrate the performance analysis and the effectiveness of the proposed method.关键词
共形阵列天线/DOA/极化/性能分析Key words
conformal array anteram/direction-of-arrival/polarizationi/perforrnance analysis分类
信息技术与安全科学引用本文复制引用
齐子森,郭英,王布宏,王永良..共形阵列天线信源方位与极化状态的联合估计算法[J].电子学报,2012,40(12):2562-2566,5.基金项目
国家自然科学基金(No.61172148,No.61201369) （No.61172148,No.61201369）
航空科学基金(No.20112096016) （No.20112096016）
陕西省自然科学基金(No.2010JQ8003) （No.2010JQ8003）
