提出一种应用求面积重心进行目标方位估计的方法，阐明了该方法的原理。
A method of target bearing estimation by means of center of gravity of area is given and the principle of the method is explained.
仿真结果表明，在稳定分布假设下，基于谱测度的多目标方位估计法是合理有效的。
Simulation results show that in the alpha stable distribution assumption, multi-target direction estimation method is more reasonable and effective based on the spectral measure.
论文从实际应用的角度出发，全面论述了子空间类多目标方位估计和跟踪算法的理论和方法。
Aiming at the applications in engineering, the principles of subspace algorithms about the DOAs estimating and tracking are discussed comprehensively in this dissertation.
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