In this paper, we review the present research status and some key techniques in this field, including the property of HRRP, preprocessing methods, feature extraction and classifier design.
该文详细讨论了基于HRRP的雷达自动目标识别的关键技术及研究现状，包括雷达hrrp的特性、预处理方法、特征提取方法及分类器设计方法等。
This technology is an integrated application of many natural language processing techniques, including text preprocessing, text structure analysis, inter-text inference and so on.
该技术是许多自然语言处理技术的综合运用，涉及的内容包括文本预处理、文本结构分析、篇章关联推导等。
Post processing techniques to electromagnetic field graph are studied and the Painter Algorithm with data preprocessing is given.
对电磁场图形后处理技术进行了研究，给出了数据预处理画家算法。
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