• The antenna and cable must be carefully matched to ensure a low Standing Wave Ratio (SWR).

    小心天线电缆匹配确保比率SWR)。

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  • F ROM above, a method to realize the testing of cable partiality online by ultrasound standing wave is advanced.

    基础本文提出了利用超声方法实现电缆偏心在线检测

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  • The propagation process of pulse wave in the cable and influence of cable length on overvoltage and wavefront time of winding are discussed in this paper.

    讨论脉冲电缆中的传播过程以及电缆长度线圈端的过电压脉冲上升时间影响

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  • In this paper, a unified formulation to determine the terminal currents of an arbitrarily bended cable excited by a plane wave at any polarization angle is presented.

    该文给出了架设地面上任意弯曲电缆任意极化平面波照射下,终端感应电流的通用表达式。

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  • In succession, discussed the radiation condition of Leaky Coaxial Cable, three working frequency bands of radiating wave.

    接着讨论了泄漏同轴电缆辐射条件辐射三个工作频段

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  • This article presents the requirements, parameters, performance and size of the cable. Calculated wave impedance for some sizes are listed.

    本文简述类电缆一般要求参数、规格性能,并提供了部分规格阻抗计算参考值。

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  • Application of bipolar pulse in transmitting signal can avoid distorted wave caused by charge or discharge in a long cable.

    应用极性脉冲传输信号避免了因远距离电缆放电带来波形畸变

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  • The reflection and refraction of traveling wave are quite complicated at the sheath-crossing point of high voltage power cable, due to its remarkably noncontinuous surge impedance.

    高压电缆金属护套交叉互联导致多个波阻抗不连续产生了复杂的折反射行为,这对高压电缆线路的行波故障测距产生很大的影响。

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  • A two-dimensional time domain met hod is presented for the analysis of dynamic behaviour of the ocean cable system in wind, wave and current.

    本文介绍表面浮标、和中间物体组成综合海洋缆系统动力学特性的二时域分析方法。

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  • At present, the law of the research on traveling wave effect for cable-stayed bridge with support system is rare in domestic.

    目前,国内对于支承体系斜拉桥效应影响规律研究成果并不多见。

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  • A damage detection method was developed to accurately evaluate cable status for working conditions based on the analysis of the traveling wave respond in a cable.

    准确评价工作状态下健康状况分析了索受扰动后的响应,提出了行波损伤识别

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  • The length measurement theory of electromagnetic wave in transmission line was analyzed and a cable length measuring system based on the reflection of electromagnetic wave was designed.

    电磁波传输线中的理论进行了分析设计了一种电磁波反射系统

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  • Based on the basis of traveling wave energy absorption method, the formula of allow tension increment of anchorage cable under condition of the blast wave shock is derived.

    依据能量吸收方法推导出了锚杆爆炸冲击时所需张力增量计算公式。

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  • Based on the basis of traveling wave energy absorption method, the formula of allow tension increment of anchorage cable under condition of the blast wave shock is derived.

    依据能量吸收方法推导出了锚杆爆炸冲击时所需张力增量计算公式。

    youdao

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