The variable part of the parameter vector is projected onto the signal subspace to identify intrinsic structural features of the scene and estimate the RCS.
信号子空间中包含目标边界特征，将参数向量中非直流部分投影到信号子空间，得到场景内目标细节信息，然后据此估计场景各点的雷达反射截面（RCS）。
This article indicates that each component of the speaker's characteristic parameter vector usually has the different distribution, and has different validity.
文中研究表明，反映说话人特征信息的特征参数矢量的各个分量通常具有不同的分布，对正确识别说话人身份的有效性是有差别的。
The generalized eigen analysis is employed to directly and effectively estimate the ellipse parameter vector. The detectability and fitting accuracy are significantly improved.
并通过直接估计椭圆参数的广义本征分析技术，进一步提高椭圆的可检测性和拟合精度。
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