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Advanced Search Results For "inter-"

1 - 10 of 81 results for
 "inter-"
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高速移动场景 5G 应用问题研究.

Publication Type:Academic Journal

Source(s):Telecommunication Engineering. 3/28/2022, Vol. 62 Issue 3, p292-298. 7p.

Abstract:5G 标准中定义的指标明确可支持 500 km / h 移动速度, 它是针对高铁设计的, 对航空用户能 否支持? 有什么限制条件? 对高速移动场景 5G 应用进行了技术研究. 首先分析了高速运动对移 动通信带来的主要挑战, 然后通过多普勒频移和载波间干扰计算对 5G 的移动性设计进行了分析, 最后提出通过优化调整 5G 的帧结构、参考信号设计以及增加新的模块和功能设计等方法解决多普 勒频偏、超远距离覆盖问题, 实现 5G 技术在航空高速移动场景中的应用. [ABSTRACT FROM AUTHOR]...

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Identification of Spatial Development Types of Inter-City Border Towns in Guangdong Province, China

Publication Type:Academic Journal

Source(s):Redai dili, Vol 42, Iss 3, Pp 431-443 (2022)

Abstract:The identification of spatial development types of border areas is one of the research hotspots in human-economic geography. Current studies mostly focus on border areas affected by provincial boundaries, and limited studies have explored the spatial s...

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利用双正交小波变换优化 G3-PLC 系统性能.

Publication Type:Academic Journal

Source(s):Telecommunication Engineering. 11/28/2020, Vol. 60 Issue 11, p1361-1367. 7p.

Abstract:为了提高 G3-PLC(G3-Power Line Communication)在复杂信道环境下通信的可靠性,提出了 基于双正交小波变换的正交频分复用(Discrete Wavelet Transform-Orthogonal Frequency Division Mul鄄 tiplexing,DWT-OFDM)。 通过双正交小波变换减小复杂信道环境下 G3-PLC 通信系统中 OFDM 载 波间干扰,并通过合理减少循环前缀,优化传输效率,降低峰均比。 在 DWT-OFDM 的 G3-PLC 系统 ...

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Analytical design and performance analysis of LEO mega chain satellite constellation

Publication Type:Academic Journal

Source(s):Xibei Gongye Daxue Xuebao, Vol 40, Iss 1, Pp 148-157 (2022)

Abstract:With the development of microsatellite technology and the growth of ground reconnaissance demand, the rapid design of a LEO constellation with minimum satellite number, low revisit time (within 10 minutes), and permanent inter-satellite links has becom...

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Survey on Video Super-resolution Based on Deep Learning

Publication Type:Academic Journal

Source(s):Jisuanji kexue, Vol 49, Iss 2, Pp 123-133 (2022)

Abstract:Video super-resolution (VSR) aims to reconstruct a high-resolution video from its corresponding low-resolution version.Recently,VSR has made great progress driven by deep learning.In order to further promote VSR,this survey makes a comprehensive summar...

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Pseudo-stable constellation bias error of BDS-3 and its high-precision prediction

Publication Type:Academic Journal

Source(s):Acta Geodaetica et Cartographica Sinica, Vol 50, Iss 12, Pp 1728-1737 (2021)

Abstract:The BDS-3 satellite is equipped with Ka-band inter-satellite link (ISL) payload to realize ranging and communication between satellites. By taking all the spaceborne atomic clocks of the constellation as a group, the clock error within the group can be...

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Research on inter-blockchain service framework and communication mechanism based on smart service transaction

Publication Type:Academic Journal

Source(s):网络与信息安全学报, Vol 7, Iss 3, Pp 105-114 (2021)

Abstract:Due to the lack of communication mechanism between inter-blockchain services, it is difficult to formulate effective interconnection between different blockchain. Under the smart services ecosystem, two parties of the transaction not only execute the s...

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Application of Uranium Isotope Reference Material in Inter-Laboratory Comparisons of Nuclear Fuel Industry

Publication Type:Academic Journal

Source(s):Journal of Isotopes, Vol 34, Iss 2, Pp 163-168 (2021)

Abstract:The design, planning and implementation of the first time uranium isotope detection project in inter-laboratory comparisons of nuclear fuel industry were introduced, the primary certified reference materials uranium isotopic of U3O8 was selected as spl...

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Cross-Modal Retrieval by Class Information and Listwise Ranking

Publication Type:Academic Journal

Source(s):Jisuanji kexue yu tansuo, Vol 15, Iss 3, Pp 506-514 (2021)

Abstract:Cross-modal retrieval has attracted significant attention due to the increasing use of multi-modal data. A major challenge for cross-modal retrieval is the modal gap. To cope with the heterogeneity, common subspace learning method is proposed. However,...

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Inter-satellite clock offsets adjustment based on closed-loop residual detection of BDS inter-satellite link

Publication Type:Academic Journal

Source(s):Acta Geodaetica et Cartographica Sinica, Vol 49, Iss 9, Pp 1149-1157 (2020)

Abstract:It is a common and effective method in engineering science to use the "closed-loop detection" idea to detect and correct the cumulative error of system measurement. This paper indicates the favorable closed-loop conditions in the global inter-satellite...

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