ID 原文 译文
12844 本文充分调研国内外相关文献资料!阐述了毫 米波视距(linbof-sight, EoS) MIMO信道建模、天线阵列优化、混合波束成形设计以及物理层安全等相关 技术的当前进展、存在的挑战,并指出未来的研究方向,推动基于空中平台的毫米波MIMO系统的工程化应用。 This paper investigates relevant lteratures both domestc and abroad, elaborates the current progress and challenges of mmWave insight (EoS) MIMO channel modeiing, antenna array optimization, hybrid beamforming design, physcal layer securty and other related technologies, and points out the future research direction, thus,it may promote the engineering appication of mmWaveMIMO system based on airborne patform.
12845 电磁频谱地图结合地理信息实现电磁环境综合信息的可视化定量描述!是电磁污染防治、电磁 频谱管理和电磁频谱作战筹划等应用的基础。 The visualized quantitative description of integrated electromagnetic environment information, which is applied by spectrum map and geolocation information, is the basis of the spectrum manage ment, electromagnetic pollution precaution and electromagnetic spectrum warfare planning.
12846 本文在简要介绍电磁频谱地图系统构成、功能及典型系统的 基础上,重点阐述了电磁频谱地图构建方法研究现状,对比和讨论了现有构建方法性能,分析了电磁频谱地 图构建面临的挑战及其发展趋势,最后对电磁频谱地图构建技术进行总结。 This paper provides the brief introducton of structure !categores and typcal systems of spectrum map at frst !then elaborates the spectrum map construction methods and analyzes their performance as well as dscusses their current challenges and development trend, and makes a summary of spectrum map construction in the end.
12847 地下介质在应カ积累过程中,会导致岩体裂隙结构变化,从而使得大地电场ET的优势方位角 发生变化。 In the process of stress accumulation of underground medium, the fracture structure of rock mass will change, thus the dominant azimuth of geoelectric field ET will change.
12848 文中收集了 !016年到,017年的数据,利用大地电场优势方位角方法,提取与分析了北天山地区 2016年12月8日呼图壁6.!级和,017年8月9日精河6.6级地震前地电场异常,探讨这两次6级地震前 的地电场异常表现特征。 This paper collects the data of geoelectric minute values of Xinjiang from 2016 to 2017, and analyzes the geoelectric field anoma i i es utilizing the dominant azimuth method of geoelectric field before the Hutub i M6. 2 earthquake on December 8, 2016 and the J inghe M6. 6 earthquake on August 9, 2017 in the northern Tianshan region.
12849 结果表明:这两次地震前,震中周围的乌鲁木齐、克拉玛依台均显示出显著的地电场异常,即岩体裂隙优势方位角异常,异常特征以突跳和偏转为主,岩体裂隙结构发生异常时间上存在准同步性,表现出短临异常信息。 Significant geoelectrc feld anomales, .e. , deflecton of dom nant orentaton of cracks and large jump, are shown on Urumqi and Karamay stations around the epicenters before these two earthquakes. These phenomena also have features of time quasi-synchronization and site selectivity, show ing short-term and imminent abnormal information.
12850 因此,地电场岩体裂隙优势方位角方法短期内具有一定的预报效能,可为今后利用地电场方法预测地震积累经验和震例. The results demonstrate that the geoelectrc analyss method is effective in short-term earthquake prediction and accumulate experience and examples for earthquake prediction by geoelectrc field method in the future.
12851 为提高济南地区对流层路径湿延迟测量精度,改善此地区大气折射修正误差,进一步提高该地 区导航、定位、测控雷达等无线电测控系统的精度和性能,文中以济南站全球电信系统(Global Telecommunications System!GTS)探空数据计算的天顶湿延迟、斜路径湿延迟为比较基准,比较分析了利用Marcor技 术、Hopfield模型、If adis模型所得到的对流层天顶湿延迟和斜路径湿延迟。 In order to improve the Ji'nan area accuracy of tropospheric path wet delay measurement, improve the correction error of atmospheric refraction, and further improve Ji'nan area navigation and po- s i t i on i ng, the Ji'nan area accuracy and performance of radi o measurement and control system, based on the comparson datum of zenith wet delay and path wet delay calculated by Global Telecommunications System (GTS) sounding data of Ji'nan Station, the tropospheric zenith wet delay and path wet delay obtained by Marcor technology, Hopfield model and Ifadis model are compared and analyzed.
12852 比较结果表明:利用Marcor技术所得到的天顶湿延迟和斜路径湿延迟比其他模型得到的精度高,且仰角越低,斜路径湿延迟相对精度越高。 The results show that the accuracy of zenith wet deay and path wet deay obtained by Marcor technoHogy is higher, and the Hower the eevation ange, the higher the reative accuracy of path wet deay.
12853 这表明Marcor技术在济南地区具有很强的适用性,是获取高精度对流层湿延迟有效手段之一,有望逐步取代气象探空技术在工程中应用。 This indicates that Marcor technology has strong appiicabiiity in Ji'nan area, and is one of the effective means to obtain high-precision trope-spheric wet delay. It is expected to gradually replace meteorologcal sounding technology in engineering ap- plcatons.