ID |
原文 |
译文 |
12914 |
然后按照信号预处理、特征提取和分类识别三个 部分!对RFF识别相关技术进行了总结,重点分析了射频独特原生属性(RF-distmct native attribute, RF- DNA)、调制域和基于深度学习的RFF识别方法。 |
Then according to the three parts of sgnal preprocess ing, feature extraction and classification, the status of RF fingerprint identification is summarized. The RF-distinct native attribute(RF-DNA) , modulaton domain and RF fingerprinting method based on deep learning are analyzed. |
12915 |
最后,对RFF识别研究中涉及到的各种信号类型/调制方式及对应的应用场景进行了总结,展示了RFF识别的广阔应用前景,并对RFF识别的研究趋势进行了讨论。 |
Finally, the various signal types/modulation methods and corresponding application scenaros involved in RF fingerprint identification research are summarzed, and the broad applcation prospects of RF fingerprint recognition are presented. The research trend of RF fingerprint recognition is discussed. |
12916 |
针对编码超表面远场散射波束的调控,在对相互正交方向的序列进行设计的基础上,利用加法规则,可快速得到超表面的编码序列。 |
As for the control of the near field scattering beams of the coding metasurface, the coding sequence of mutually orthogonal directions are designed first. |
12917 |
加法规则的利用,可减少编码个数,降低设计难度,方便实现对超表面远场散射波束的设计。 |
On this basis, the coding sequence of the metasurface can be quickly obtained by using the addition rule, which can effectively reduce the number of codes, lower the degree of design difficulty, and facilitate the design of the far field scattering beams on the metasurface as well . |
12918 |
论文采用金属小棒结构作为超表面单元,进行了实例分析。 |
This paper adopts the meta! rod structure as the metasurface unit and carries out an example analysis. |
12919 |
结果表明,提出的编码序列设计方法,可以有效融合两个正交方向编码序列的散射特性,灵活调控超表面上半空间的散射场。 |
The results show that the proposed coding sequence design method can effectively integrate the scattering characteristics of two orthogonal directional coding sequences, and flexibly control the scattering field in the upper half space of the metasurface. |
12920 |
研究方案在通信和雷达等领域具有广泛的应用前景。 |
The research program has a wide application prospect 8n the felds of communcaton and radar. |
12921 |
介绍了近年来用于电磁建模的积分方程区域分解算法(domain decomposition method, DDM). |
This paper presents the domain decomposition method based on integral equation (IE- DDM) for electromagnetic modeling in recent years. |
12922 |
DDM是ー种基于“分而治之”策略的框架性算法,为复杂电磁问题的求解提供了一种灵活的技术途 径。 |
Domain decomposition method is a framework algorithm relied on the strategy of divide and conquer, which provides a flexible approach for solving complex electromagnetic problems. |
12923 |
结合国内外研究动态详细介绍了三类积分方程DDM,即重叠型积分方程DDM,非共形、非重叠型积分方程DDM以及基于等效原理的积分方程DDM,并通过数值算例说明了这些算法的优缺点。 |
With the domestic and foreign research trends, three kinds of domain decomposition algorthms based on integral equation are particularly reviewed in this paper, namely, overlapping IE-DDM, non-conformal, non-overlapping IE-DDMand equvalence principle algorthm (ECA).Numercal examples are given to lllustrate the advantages and disadvantages of these algorthms. |