| ID | 原文 | 译文 |
| 13174 | 海洋蒸发波导是海上超视距传播的主要机制!对于海上无线电系统的设计和运行具有重要影响。 | The evaporation duct is an important anomalous transhortion propagaton mechanism in marine areas. It has important effects on the design and operaton of marine radio system. |
| 13175 | 利用在我国南海开展的蒸发波导环境下的C波段微波超视距传播试验数据，对比分析了不同传播距离下的路径损耗和信号快衰落分布特征。 | Based on the experimental data of C-band mcrowave transhorton propagation in evaporation duct environment in the South China Sea, the characteristics of path loss and fast signal fading distribution at different propagaton distances are compared and analyzed. |
| 13176 | 试验结果表明：随着传播距离的增大，路径损耗逐渐接近对流层散射传播损耗，主要传播机制也逐渐从蒸发波导传播向对流层散射传播过渡。 | The exper mental results show that with the increase of propagation distance, the propagation loss gradually approaches the tropospheric scattering propagation loss , and the main propagation mechanism gradually transits from evaporation duct to tropospheric scattering. |
| 13177 | 5mm采样的接收信号电平快衰落分布接近为广义瑞利分布，衰落深度和衰落幅度均小于瑞利分布。 | The fast fading distribution of the received signa l level sampled in 5 minutes is close to the generalTed Raylegh distribution, and the fading depth and ampltude are smaller than the Raylegh distribution. |
| 13178 | 所得结果对利用蒸发波导的通信系统设计具有参考价值。 | The results are valuable for the design of over-the-horizon communication system using evaporaton duct. |
| 13179 | 闪电近区电场具有瞬时性和高强度的特点，在雷电防护工程设计及雷电效应测试中，往往需要根据雷电所产生的脉冲辐射强度采取相应的防护、测试措施，在雷电防护标准规范中应明确给出距离雷电通道不同距离处的电场峰值及其变化率的变化情况。 | The neai-field electric field of lightning has the characteristics of transent and high intensity. In the standard specification of iightnmg protection, the electric field at different dstances from the lightning channel should be clearly specified. |
| 13180 | 文中在传输线(transmission^ line，TL)模型的基础上，对雷电近区电场峰值及其变化率随距离的变化进行近似表达，并与相关文献报道的实测数据进行了对比。 | Based on the transmissior-line (TL) model, the variation of the electrcic field peaks and its variation rate wth the distance in the near field of lighting is studied land the approximate expressions are simplified, and compared with the measured data reported in the related literature. |
| 13181 | 结果表明：近似表达式的结果与文献报道的实测数据及课题组野外实际观测数据较为吻合，可用于表征距离雷电通道1 km范围内电场峰值和电场变化率的变化，对实际防雷设计和相关的效应测试具有一定的指导意义。 | The results show that the results calculated by the approx:imate expressions are consistent with the data reported in other lteratures, as well as the data measured by SLOT observation team. The approximate expressions can characterize the electric field and its variation rate within 1 km, and thus provide technical support for lighting protection engneering. |
| 13182 | 为了揭示闪电甚高频(very hgh frequency, YHF)辐射源的时频特性，探索时频分析方法在闪 电YHF辐射源定位中的应用，文中利用Wigner-Yille分布(Wigner-Ville distribution, WYD)对闪电宽带 YHF辐射信号进行了时频分析。 | In order to reveal the time-frequency characteristics of iightning VHF radiation sources and explore the application of frequency analysis methods in the location of lightning VHF radiation sources, the Wigner-Yillle distribution (WVD) is used to analyze the time+frequency characteristics of lightning broadband VHF radiation signals. |
| 13183 | 提出ー种半二维相关(semi-two-dimensional correlation, SDC)时延算法 来实现闪电VHF辐射源的定位，并通过数值模拟和人工引雷观测数据对定位算法进行了验证。 | On this basis, a semi-two-dimensional correlation time delay algorithm is proposed to realize the location of lightning VHF radiation source. Finally, the localizaiion algorithm is verified by numerical simulation and artifcial lightinng observation data. |