在子空间法的基础上，利用少量训练符号估计出模糊矩阵，以此矫正子空间法得到的结果。
In this paper, an estimation method for the ambiguity matrix is proposed, which utilizes less training symbols to rectify the results from subspace method.
方法：采用自体脂肪颗粒移植矫正额颞部凹陷，通过注射麻醉液预先估计填充量，受区皮下预处理形成颞浅筋膜浅层和深层两个平面及多个隧道。
Methods The amount of soft-tissue defect was estimated by the volume of the injected local anaesthetic liquid. Many tubes were formed subcutaneously in the region to be augmented.
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