Results 1 to 10 of about 2,673 (126)
Byte-adder and its application to wireless measure and control systems(字节全加器及其在无线电测控系统中的应用)
Zhejiang Daxue xuebao. Lixue ban, 2002 对全加器概念进行了推广,并在此基础上给出了使用字节全加器网络的无线电抗干扰算法。通过在实际的无线电测控系统中的应用,结果表明该算法具有良好的无线电抗干扰效果。
DONGLi-da(董利达) +3 more
doaj +1 more source
Task distribution offloading algorithm of vehicle edge network based on DQN [PDF]
, 2020 In order to achieve the best balance between latency,computational rate and energy consumption,for a edge access network of IoV,a distribution offloading algorithm based on deep Q network (DQN) was considered.Firstly,these tasks of different vehicles ...
Haitao ZHAO +4 more
core +1 more source
Cooperative spectrum sensing method and performance analysis based on similarity between evidences [PDF]
, 2020 The Dempster-Shafer(DS) evidence theory was applied to cooperative spectrum sensing and address the paradox of evidence in classical DS evidence theory, a new weighted distance measure based algorithm was proposed.Firstly, the evidences were extracted ...
Ming DIAO +3 more
core +1 more source
Novel time delay estimation algorithm for ADS-B based on an auxiliary source and correntropy [PDF]
, 2015 A novel time delay estimation algorithm was proposed to correct ADS-B latency employing an auxiliary signal source and correntropy.Firstly,the cause of message delay was analyzed and a new latency model was raised.Secondly,when comparing the signal ...
Ai-min SONG +4 more
core +1 more source
Design of precoding matrices in MIMO full duplex two-way security communication system [PDF]
, 2020 The design of precoding matrices was studied in the multiple input multiple output (MIMO) full-duplex two-way security communication system where legitimate nodes transmit the confidential information accompanied by the artificial noise while receiving ...
Hongjiang LEI +3 more
core +1 more source
Gaoya dianqi, 2022 大气条件是影响导线或电力金具表面电晕的重要因素，电晕同时会产生无线电干扰噪声。目前暂无导线电晕相关的试验标准，电力金具的相关试验标准只规定了空气密度修正，并未指出湿度对导线电晕或无线电干扰电压的影响。文中在人工气候室利用电晕笼实验研究了不同空气湿度下导线的起晕电压，同时在电晕起始场强的计算中考虑了湿度的影响，得到了含湿度修正的电晕起始场强计算公式。分析了不同尺寸的导线起晕场强，可为今后相关实验及工程应用提供参考。
陈迪 +7 more
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A New Adaptive Near Field Isolation Method Based on Controllable Metamaterial [PDF]
, 2016 天线之间的隔离度在许多无线通讯系统中都有要求。在诸如多天线的MIMO 系统、同频双工等等众多实际工程中，天线的隔离度直接决定了工作设备的性能。 而这些天线往往处于彼此的近场，而近场隔离相对于远场有更高的难度。现有的 提高隔离度的方法普遍只能达到30dB到50dB左右的隔离度，并且均是静态方 法。这在实际应用中往往无法满足越来越高的性能和功能要求。 本文提出了一种基于可控超材料和人工智能算法的自适应近场隔离方法。首 先给出了基本的数学模型，并证明该方法的合理性。为了检验理论的正确性，根 ...
于丰畅
core
Research of High Voltage Switchgear Appliance Based on Ultraviolet Detection [PDF]
, 2014 伴随着我国智能电网规模的不断扩大，对电力系统的安全运行要求越来越 高，同时，因高压放电引起的电网事故尤其是因绝缘问题造成的事故发生也在逐 渐增多。据相关专业部门的统计分析，目前因绝缘问题导致的电力系统事故占所 有电力事故中的第二位，因事故造成的经济损失、影响范围不可估量。 故采用先进有效的检测技术，预先发现和处理绝缘缺陷或线路隐患，对高压 电气设备的维护、修理、防止事故发生具有深刻的意义。本文在分析国内外大量 文献的基础上，基于紫外检测技术、高压电气设备放电原理，研究了以日盲区紫 外光信号为特征的 ...
邢文涛
core
SIM: a secure IP protocol for MANET [PDF]
, 2013 According to the core logic of IP Sec, a secure IP protocol was proposed for Mobile Ad Hoc network. Security deal to the packets in and out of the network protocol stack was done by adding a transparent secure layer between trans-port-layer and link ...
Rong-sen LI, Wen-hua DOU
core +1 more source
Gaoya dianqi, 2021 空心电抗器的内部温度一直缺乏有效的监测手段。在其内部安装无源无线温度传感器可以有效解决空心电抗器内部温度监测问题。文中将RFID无源无线温度传感器安装在空心电抗器内部,对信号屏蔽,绝缘,涡流温升,电磁干扰等融合问题进行了全面的仿真、计算和实验研究,结果表明:RFID无源无线温度传感器可以克服空心电抗器屏蔽,实现正常通信;空心电抗器绝缘裕度足够,通过了雷电冲击耐受试验和匝间过电压试验考核;在温升试验中,改进后的传感器涡流温升很小,不影响对空心电抗器温度的测量 ...
周玮 +6 more
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