Research of Subspace Rotation-Based Approach to Two Dimensional Direction-of-Arrival Estimation

• Main Authors: Pel-Wen Hung, 洪培雯
• Other Authors: Ｙuh-Huu Chang
• Format: Others
• Language: en_US
• Published: 2002
• Online Access: http://ndltd.ncl.edu.tw/handle/77681201081728014947

碩士 === 中原大學 === 電子工程研究所 === 90 === Determining the direction of arrivals (DOAs) of multiple emitters play an important role in radar, sonar, and seismology and have been extensively studied. In [5], T. Kailath et al., have proposed the one-dimensional Subspace Rotation-Based approach that utilized displacement invariance structure to perform the DOA estimation. Simulation results indicate that SRB approach has excellent performance. In this paper, we extend the one-dimensional SRB approach to two-dimensional cases based on the model A and model B. This procedure can also be applied to a wide variety of problems based on the sensor array invariance. Furthermore, we provide some improvement for the purpose of saving computational cost. Simulation results demonstrate adequate performance.