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| 1 | 高频柔性FFlexCom程序在工业通信系统设计中的应用显示文摘为实现功能灵活的系统和工作频率达到亚GHz范围,须提高柔性设备速度,这就需要设计高频柔性程序,以适应实时变化的电路架构、组件概念、技术与材料性能.基于高频柔性FFlexCom程序设计了工业通信系统,实现了无线通信系统在超薄、可弯曲、柔性塑料或者纸上的集成,并对其在半导体中的实践应用进行了深层探究,结果表明,FFlexCom程序在“有机半导体”“金属氧化物”“碳”和“稀薄硅”等材料上的性能有显著提升. | 杨凡 | 2022 | 绵阳师范学院学报2022，41，2： | 0 |
| 2 | Synthesis-free directional modulation for retrodirective frequency diverse array显示文摘Combination of directional modulation(DM)and frequency diverse array(FDA)provides a novel opportunity for enabling physical layer security because of the enhanced ability of distance resolution.However,in the existing studies,the time-varying nature of the FDA pattern is usually ignored.In this paper,a modified model of FDA-DM is proposed,in which the ignored time factor in the previous studies is taken into consideration for providing a new and more accurate perspective on evaluating the security of FDA-DM.Furthermore,we reveal that FDA-DM can achieve angle-dependent and directional-time-coupleddependent security.After that,based on the retrodirective FDA(RFDA)with a new structure,a novel synthesis-free FDA-DM scheme is proposed for both overcoming the limitations of the FDA-DM scheme and allowing self-tracking the position of the pilot signal without any prior knowledge.Meanwhile,a new set of nonlinear frequency offsets,defined as rearranged linear frequency offsets(RLFOs),is also proposed for both combining the advantages of the linear/nonlinear frequency offsets and bringing conveniences to practical implementation.In addition,the closed-form expression of the average signal-to-artificial-noise-ratio(SANR)is given out for evaluating the security performance of the proposed scheme.Finally,numerical results are presented to verify both the accuracy of the proposed theoretical analysis and the superiority of the RFDADM scheme. | Sheng KE Jianping AN Shuai WANG | 2020 | Science China(Information Sciences)2020，63，10： | 0 |
| 3 | 面向双机编队战术识别的时空图卷积网络显示文摘空战中的双机编队战术识别具有重要的研究意义和应用价值。为了提高双机编队战术识别的准确率和鲁棒性,采用深度学习技术,提出了一种面向双机编队战术识别的时空图卷积网络。首先,对双机编队协同作战序列数据进行了时空图构建;然后,通过空域图卷积网络模块、时域图卷积网络模块和通道注意力模块提取了双机编队战术的时空域特征;最后,利用分类器对双机编队战术进行了识别。试验结果表明,该网络可有效识别双机编队战术。 | 李岩山 苏伟鹏 贺嘉璠 陈佳馨 | 2023 | 指挥信息系统与技术2023，14，3： | 0 |
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