ID 原文 译文
13854 最后, 通过实验和MATLAB仿真对测距方法进行验证。 Finally, the method of distance measurement is verified by experiment and MATLAB simulation.
13855 仿真结果表明:BP神经网络模型的RSSI测距误差比传统信号传播路径损耗模型的RSSI测距误差要小。 The simulation results show that the RSSI ranging error of the BP neural network model is smaller than that of the traditional signal propagation path loss model RSSI.
13856 Vivaldi天线属于渐变缝隙天线的一种, 被广泛应用于平面超宽带天线设计中。 Vivaldi antenna, a kind of tapered slot antenna, is widely used in the design of planar ultra wideband antennas.
13857 Vivaldi天线在理论上可以展宽带宽到无限大, 但受限于加工工艺和尺寸, 其增益提高效果并不明显。 Vivaldi antennas can broaden the bandwidth infinitely in theory, but the improvement of the gain is not prominent because of the processing technology and the dimension.
13858 文中立足于经典Vivaldi天线, 在天线辐射前端加载对拓结构的介质, 仿真结果表明相对带宽扩展了79.1%, 在5.5GHz与12GHz处提高增益达3dBi。 This paper loads the antipodal structural dielectric on the front of the radiation structure.The results indicate that the relative bandwidth broadens by 79.1% and the gain increases 3 dBi at 5.5 GHz and 12 GHz.
13859 过孔矫正技术可以使天线辐射的相位分布更加均匀, 提高幅度分布的口径效率.在对拓结构基础上, 天线辐射端加载相位矫正的过孔阵列结构, 仿真结果表明加载该技术后, 天线提高增益2dBi以上。 The technology of slotting correction makes the radiation phrase distribution more symmetrical, thus enhancs the efficiency of the amplitude distribution.The results indicate that the gain increases 2 dBi through loading the technology.
13860 包含以上两种技术的天线结构具有高增益、便于设计、小型化的特点, 这为端射天线提高增益和增强定向性提供了新的思路。 Both technologies in the design own the merits of high gain, simple design and miniaturization, which provides a new idea for end-fire antenna gain and directivity improvement.
13861 基于传统对拓型Vivaldi天线, 提出一种新型小尺寸对拓型Vivaldi天线。 A new compact antipodal Vivaldi antenna is proposed based on traditional antenna.
13862 采用波纹、开眼和引向器等结构来展宽天线的工作带宽, 并分别对这三种结构对带宽的影响进行了分析。 Corrugated edge, open eyes and director are employed to broaden the bandwidth, and the effectiveness of these structures to the bandwidth is demonstrated.
13863 利用HFSS仿真优化得到的结构参数, 分别在两种介质材料上, 加工并测试了带引向器波纹开眼对拓型Vivaldi天线, 实测与仿真结果吻合。 The corrugated open-eyes antipodal Vivaldi antenna with director is fabricated on substrates FR-4 and RO4003 C, and the measured results match well with the simulated ones by using HFSS.