ID | 原文 | 译文 |
13784 | 与传统的天线RCS减缩技术相比, 该方法可以在保证天线原本辐射性能的基础上同时实现天线带内和带外的RCS减缩。 | Compared with the traditional RCSR methods, this technique can reduce both in-band and out-band RCSs of the slot array antenna, whose radiation performance is preserved at the same time. |
13785 | 在实际应用中有许多场合需要对电磁波的传播进行人工调控, 传统的光学器件或者人工电磁介质都是采用三维结构, 但传统的三维结构介质很难与其他器件或设备进行集成。 | Accurate artificial manipulation of electromagnetic wave propagation is needed in many practical applications, while the traditional optical devices and artificial electromagnetic media adopt 3D structures which can be hardly integrated with other devices. |
13786 | 利用相位非连续人工电磁表面则可以在传播路径的介质分界面上引入相位突变, 进而实现人工调控电磁波。 | By adjusting the transmission path to accumulate phase differences, a new way to control electromagnetic wave propagation and Generalized Snell's law has been proposed. |
13787 | 文章在此基础上在微波波段利用构造分界面相位梯度提出了一种异常反射型超表面的设计, 用作天线反射面可将圆极化波高效地转化为交叉极化波, 为微波段的电磁波人工调控提供了新的手段。 | On this basis, to realize electromagnetic wave abnormal reflection in microwave region, the reflection-type metasurface based on phase gradient is adopted.Reflectors based on metasurface can efficiently convert circularly polarized waves into cross-polarized waves. |
13788 | 根据广义反射定律及斜入射时相位突变修正设计的天线反射面, 在X波段可以实现对入射电磁波的人工调控, 并通过仿真分析验证了该设计方法的准确性, 为人工电磁表面作为天线反射面提供了一种设计思路。 | According to the generalized reflection law and the modified phase difference at oblique incidence, the reflection EM wave by antenna reflector can be manually controlled in the X-band. The accuracy of the design method is verified by fullwave simulation analysis, which provides an idea for the metasurface as the antenna reflector. |
13789 | 提出了一种共面波导 (coplanar waveguide, CPW) 差分馈电频率可重构天线。 | A coplanar waveguide (CPW) differentially-fed frequency reconfigurable antenna is proposed. |
13790 | 通过直流偏置电路来控制天线上四个PIN二极管的导通和断开模式, 天线可以工作在两种状态, 实现在2.022.89GHz和3.273.66GHz两个频段的重构, 阻抗带宽分别为35.4%和11.3%, 且天线辐射方向图受频率可重构的影响较小, 天线在两种状态下的平均增益分别可达3.18dBi和3.61dBi。 | By designing a DC bias circuit to change the working states of the four PIN diodes, the differentially-fed frequency reconfigurable antenna can be reconfigured in two frequency bands, 2.02 to 2.89 GHz (35.4%) and 3.27 to 3.66 GHz (11.3%) , and the performance of frequency reconfiguration barely has influence on the radiation patterns of the antenna, the average gain of the two states can achieve 3.18 dBi and 3.61 dBi, respectively. |
13791 | 该天线充分利用共面波导天线结构简单和频带宽的优势, 实现了差分馈电技术与频率可重构技术的完美结合,天线的实测结果与仿真结果非常接近, 可应用于WLAN的2.45GHz和WiMAX的2.45GHz、3.5GHz两个频段。 | This antenna which combines the differential technology and frequency reconfigurable technology, has a compact CPW structure and uses wide bands, thus can be applied to the 2.45 GHz band of WLAN and two bands of WiMAX, 2.45 GHz and 3.50 GHz. |
13792 | 研究了一种基于阻抗超表面的高效率角锥喇叭馈源。 | A meta-surface based high efficiency pyramid horn feed is studied. |
13793 | 将阻抗超表面放置于金属角锥喇叭内壁, 获得了一种性能良好的新形式高效率馈源。 | By placing impedance meta-surfaces on the inner boundary of a metallic pyramid horn, an excellent and novel high efficiency feed is obtained. |