Title :
2-D DOA estimation of wideband LFM signals for arbitrary planar array
Author :
Luo, Peng ; Liu, Kai-hua ; Shi, Wei-Guang ; Yan, Ge
Author_Institution :
Sch. of Electron. & Inf. Eng., Tianjin Univ., Tianjin, China
Abstract :
A novel 2-D DOA estimation algorithm of multiple wideband LFM signals is proposed which can be applied to arbitrary planar array. Based on the energy concentration property of LFM signal in fractional Fourier domain, a new array data model is constructed. By using the generalized rotation matrix defined between subarrays, the conventional ESPRIT algorithm is revised, and hence achieves the 2-D DOA estimation for arbitrary planar array. The simulation results verified the efficiency of the algorithm.
Keywords :
array signal processing; direction-of-arrival estimation; matrix algebra; 2D DOA estimation; ESPRIT algorithm; arbitrary planar array; array data model; energy concentration property; fractional Fourier domain; generalized rotation matrix; wideband LFM signal; Direction of arrival estimation; Estimation; Planar arrays; Sensor arrays; Signal processing algorithms; 2-D DOA estimation; ESPRIT; FrFT; LFM signal; arbitrary planar array;
Conference_Titel :
Signal Processing (ICSP), 2010 IEEE 10th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-5897-4
DOI :
10.1109/ICOSP.2010.5656080
