We propose a multistage SAR target recognition process based on target detection, target segmentation, target aspect estimation and invariant feature extraction.
提出一种以目标检测、目标分割、目标方位角估计和目标不变性特征提取为线索的SAR目标识别框架。
The key aspect of adaptive OFDM includes accurate channel estimation and efficient adaptive modulation schemes.
准确的信道估计和高效的自适应调制方案是自适应OF DM技术的两个关键。
From the aspect of insurance action, expression of insurance premium is derived with interval-estimation under a certain risk level, which is based on slope reliability analysis and risk analysis.
然后从边坡工程保险实施的角度，基于边坡的可靠性分析和经济风险分析，通过一定显著性水平下的区间估计得出了保险费率的表达式。
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