ID 原文 译文
13584 Wi-Fi信号可作为外辐射源进行近距离动目标探测, 然而由于带宽限制, 其距离分辨率常常难以达到实用的要求。 The Wi-Fi signal can be used as an illuminators of opportunity for passive radar to detect moving targets at close range, but owing to its limited bandwidth, the range resolution is often difficult to meet the practical requirements.
13585 文章探讨了多个不同信道Wi-Fi信号利用频谱搬移进行多信号合成以提高信号带宽的方法, 针对实际应用中存在的信号间相位不一致及其对合成信号探测性能的影响进行了理论分析, 并提出了补偿方法。 In this paper, a method is present to broaden signal bandwidth by using multiple different channels of Wi-Fi signals spectrum shifting, the phase inconsistency between signals in practical applications and its influence on the detection performance of synthetic signals are analyzed theoretically, and a compensation method is proposed.
13586 所提方法不仅可提高距离分辨率, 同时还提高了匹配滤波后的输出信噪比。 The proposed method can improve not only the range resolution, but also the output signal noise ratio after matched filtering.The performance of the proposed method is proven by computer simulations.
13587 大尺度电磁散射与逆散射一直是科学研究和工程应用的热点和难点, 亟待发展将电磁模型与数据挖掘有机融合的高性能求解方法, 针对此, 提出了一种针对大尺度电磁散射与逆散射问题的深度学习模型。 Large scale electromagnetic scattering and inverse scattering is a hot and difficult point in scientific research and engineering applications, and it is urgent to develop a high performance solution method to integrate electromagnetic model and data mining. A deep study model for large scale electromagnetic scattering and inverse scattering is proposed.
13588 该模型不仅继承了深度神经网络结构简单、运算速度快等优点, 而且还能高精度地解决大尺度电磁散射与逆散射问题。 The model not only inherits the advantages of simple structure and fast operation speed, but also can solve the problem of large scale electromagnetic scattering and inverse scattering with high precision.
13589 实验结果表明:文中提出的深度学习方法可为解决现有大尺度电磁测算融合和电磁逆散射的计算成本昂贵的难题提供新思路、开辟新方向。 The experimental results show that the advanced learning method proposed in this paper can provide new ideas for solving the difficult problems of the existing large scale electromagnetic calculation fusion and the expensive calculation of electromagnetic inverse scattering.
13590 通过测量、分析和研究西江牵引变电所的电磁辐射, 得到工频场强值、无线电干扰和场强距离衰减特性。 Electromagnetic radiation (EMR) of Xijiang traction substations is studied by metrical, analysis and scientific research, and the field strength of power frequency, radio interference and distance attenuation characteristic are acquired.
13591 在峰值检波模式下对9kHz1GHz范围进行频率扫描, 并对特定频点进行准峰值测量。 By scanning frequency in peak detection mode, the electrical field strength and magnetic field strength from 9 kHz to 1 GHz are obtained, moreover, quasi-peak measurement at specific frequency points is carried out.
13592 为减小高压传输线对测量的影响, 提出“沿对角线延长线”进行测量的新方案并用于测试。 In order to reduce the influence of high voltage transmission line, a novel“along diagonal extension line”scheme is proposed and applied in test.
13593 测量结果表明:周围环境中的电、磁场值小于变电所的发射限值, 并且随距离增加呈现衰减趋势;工频场强值远小于国家标准中所规定的限值, 符合人体健康标准。 Measurement results show that electric field and magnetic field strength around traction substation is less than emission limit of substation, and field strength attenuates with distance increases. Field strength of power frequency is far less than the limitation of national regulation, which is in accordance with human's health standard.