ID 原文 译文
12514 以瞬变电磁法（transient electromagnetic methods，TEM）为基础，提出了一种基于太阳风暴的月球内部结构探测方法。 Based on transient electromagnetic method, this paper presentsthe lunar interior structure exploration based on the solar storm.
12515 该方法利用太阳风暴产生的磁场跃变作为使月球内部产生极化的探测源，在太阳风暴作用下，月球内部介质极化产生感应磁场，通过对该磁场信号的探测和处理获得月球内部结构信息。 In this exploration method, magnetic field jumpgenerated by solar storms is used as the detection source to generate polarization in the lunar interior. At the moment ofthe magnetic field transition, the internal medium polarization of the lunar generates an induced magnetic field, and theinternal structure information of the lunar can be obtained through the detection and processing of the magnetic fieldsignal.
12516 对磁场跃变在月球内部的感应磁场信号进行正演模拟计算，并通过仿真实验验证了该探测方法的有效性和正演算法的正确性，为后续研究打下基础。 In this paper, the forward simulation of the induced magnetic field signal is carried out, and the simulationexperiment can verify the validity of the detection method and the correctness of the forward algorithm, which lays afoundation for the subsequent research.
12517 为满足超宽带无线通信应用需求，研究了一种超宽带双极化强耦合阵列天线。 In order to meet the requirements of ultra-wideband wireless communication system applications, thispaper studies an ultra-wideband dual-polarization strongly-coupled array antenna.
12518 阵元由两对相连印刷偶极子正交构成，结合 Marchand 巴伦与 Wilkinson 功分器构建的馈电网络，实现了平衡馈电、阻抗变换和带内共模谐振抑制等技术。 The array element is composed oftwo pairs of connected printed dipoles orthogonally. The feed network is constructed by the Marchand Balun and theWilkinson power splitter and realizes the balanced feed, the impedance transformation and common mode resonance suppression.
12519 实验与仿真结果表明，该阵列天线可实现阻抗带宽 1.5～4.0 GHz，E 面波束扫描范围±60°， H 面波束扫描范围±50°，并且天线结构简单，适合双极化宽角扫描相控阵天线系统的应用。 Simulated and measured results show that the proposed antenna achieves an impedance bandwidth of 1.5 GHzto 4.0 GHz, and an E-plane beam scanning range ±60°, H-plane beam scanning range ±50°, and the antenna structure issimple, and is suitable for the applications of dual-polarization wide-angle scanning phased array antenna system.
12520 电离层 F2 层临界频率 foF2 是短波通信、探测和电子对抗等领域最为重要的应用参数之一.针对全球范围内电离层测高仪分布较为稀疏的特点 ，基于全球电离层无线电观测站（Global Ionospheric RadioObservatory，GIRO）的测高仪实测数据，采用分步线性最优估计方法对电离层 CCIR/URSI 系数进行调整，实现了全球中低纬区域电离层 foF2 的重构。 The ionospheric F2critical frequency foF2is one of the most important application parameters in thefields of short-wave communication, detection and electronic countermeasures. Based on the ionosonde data from theGlobal Ionospheric Radio Observatory (GIRO), the ionospheric CCIR/URSI coefficients are adjusted by the stepwiselinear optimal estimation method to reconstruct the ionospheric foF2in the middle and low latitudes of the world.
12521 对 2010—2016 年的电离层 foF2 重构结果进行分析，结果表明：在纬度变化上，中纬区域重构误差要低于低纬区域；在年变化上，重构的绝对误差和均方根误差有随太阳活动强度增强而增大的趋势，重构的相对误差无明显年变化；在季节变化上，夏季重构误差最小，其他三个季节相差不大；在地方时变化上，白天的重构误差低于夜间。 Theresults of ionospheric foF2reconstruction from 2010 to 2016 show that the reconstruction error in mid-latitude region islower than that in low-latitude region in latitude variation. In the annual change, the absolute error and root mean squareerror of reconstruction have a tendency to increase with the increase of solar activity intensity, and the relative error ofreconstruction has no obvious annual change. In the seasonal variation, the reconstruction error in summer is the smallest, with little difference in the other three seasons.
12522 总体而言，相比于国际参考电离层 (international reference ionosphere，IRI) 模型，电离层 foF2 重构的绝对误差和均方根误差分别下降了约 38% 和 34%，验证了本文方法的有效性和可靠性。 Compared with the IRI model, the absolute and root mean square errors of ionospheric foF2 reconstruction are reduced by 38% and 34% respectively, which proves the validity and reliability of the proposed method.
12523 为避免窄带通信系统对超宽带（ultra-wideband, UWB）系统的干扰冲突，提出一款具有三陷波特性的类 Sierpinski 分形 UWB 天线。 In order to avoid the interference conflict of narrow-band communication system to ultra-wideband(UWB) system, a Sierpinski-like fractal UWB antenna with triple-band-notched characteristics is proposed.