ID 原文 译文
15545 基于极化转换机理分析,在"H"型和开口环结构基础上,完成了一款"H"型开口环与椭圆金属片叠加的超表面极化转换器设计。 Based upon the analysis of polarization conversion mechanism of "H" type and open ring structure, a metasurface polarization converter was designed, where a “H" shaped open ring was superimposed with an elliptical metal sheet.
15546 在开口环结构对角线方向将开口环连接起来,使其在对角连接线上产生强烈电磁谐振,并利用圆弧渐变结构,进一步提高极化转换效率,扩展带宽。 Strong electromagnetic resonance can be achieved by connecting the split-ring structures in diagonal position, In addition, the oradient are structure can dramatically improve the polarization conversion efficiency while expanding the band width.
15547 研究结果表明,极化单元在9.7～22.3 GHz频段内可实现95%的高效宽带x-y线极化转换效率。 The results show that high polarization conversion ratio of 95% can be achieved between 9. 7 GHz and 22. 3 GHz.
15548 同时,该设计具有结构简单、易于加工等特点,可满足信息通信、测量以及成像等领域的应用需求。 Meanwhile the proposed design has the characteristics of simple structure and easy processing, which can meet the applicatior requirements for information communication, measurement, imaging and many other fields.
15549 基于悬置微带线在太赫兹电路中的应用需求,设计了一种工作频率为1 THz的新型悬置微带线-E面喇叭天线过渡结构,用于接收/发射太赫兹回旋管信号并实现信号在不同媒介中高效率转换,过渡部分采用E面探针耦合形式,利用渐变线结构实现阻抗匹配。 Based on the requirements of the suspended microstrip line in the terahertz circuit, a new type of suspended microstrip line-E-plane horn antenna transition structure with the working frequency of 1 THz, was designed to receive/transmit terahertz gyrotron signals and convert the signal efficiently in different media. The transition part adopted the E-face probe coupling form, and the tapered line structure was used to achieve impedance matching.
15550 最终仿真结果为:0.96～1.06 THz频率范围内,回波损耗优于10 dB,频率为1 THz时,回波损耗为23 dB,天线增益接近14 dB。 The simulation result is that in the frequency ranoe of 0.96-1. 06 THz. the return loss is better than 10 dB. When the frequency is 1 THz, the return loss is 23 dB, and the antenna gain is close to 14 dB.
15551 这种结构在信号传输时具有低损耗、结构紧凑、带宽宽等特点,一定程度上拓宽了传输线及天线在太赫兹高频段的应用范围。 This structure has the characteristics of low loss, compact structure, and wide bandwidth during signal transmission, which broadens the application of the transmission lines and antennas in the terahertz high frequency band.
15552 阻抗匹配是微波电路设计中的重要环节。 Impedance matching plays an important role in microwave circuit design.
15553 阻抗匹配器通常为窄带匹配且电路尺寸较大。 The impedance matcher is usually narrow band with a large size.
15554 非对称耦合线设计参数较多,相比于对称耦合线在设计上具有更大的自由度,因而可以达到更好的性能。 Compared with symmetric coupled line, asymmetric coupled line has higher degree of freedom in design so it can achieve better performance and becomes the hot topic in recent years.