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. |