ID |
原文 |
译文 |
15635 |
上通带:中心频率3.55 GHz,相对带宽9.3%,最小插入损耗0.65 dB; |
At the upper passband, the central frequency is 3.55 GHz with achieved fractional bandwidth of 9. 3% and minimum insertion loss of 0. 65 dB. |
15636 |
下通带:中心频率2.4 GHz,相对带宽3.75%,最小插入损耗1 dB,测试和仿真结果基本吻合。 |
At the lower passband, the centeral frequency is 2.4 GHz with achieved the fractional bandwidth of 3.75% and minimum insertion loss of 1 dB. The measured results are ir excellent agreement with the simulated ones. |
15637 |
该滤波器具有空间利用率高、截止裙边陡峭、带内插损小、通带隔离度好等优点。 |
The designed filter has the advantages of high space utilization, steep cut-off shirt, small insertion loss, and good passband isolation. |
15638 |
介质谐振器天线(DRA)因具有无金属损耗、辐射效率高等特点被设计并应用于现代通信系统。 |
Dielectric resonator antenna( DRA) has been designed and used in modern communication system for its no metal loss and high radiation efficiency. |
15639 |
传统DRA的带宽较窄、增益较低,无法满足现代通信系统宽频带的要求。 |
Traditional DRA has narrow bandwidth and low gain, which cannot meet the requirements of modern communication system. |
15640 |
提出了一种介质谐振器(DR)与锥形反射器组合宽带高增益天线的设计方法,扩展天线带宽的同时增大天线的增益。 |
A broadband high gain antenna was designed with dielectric resonator ( DR) and conical reflector, which can expand the antenna bandwidth and increase the antenna gain. |
15641 |
首先将多层矩形DR进行堆叠以扩展DRA的带宽,仿真并分析出堆叠不同层DR对工作频率的影响; |
Firstly, the multi-layer rectangular DRs were stacked to expand the bandwidth of DRA, and the stacking layers effect was simulated and analyzed. |
15642 |
然后通过DR十字交叉以及组合锥形反射器增加天线的增益,同时分析了锥形反射器尺寸对天线增益的影响。 |
Secondly, the gain of antenna was increased by DRs cross and conical reflectors, and the size effect of cone reflector on antenna gain was analyzed. |
15643 |
实测数据表明,所设计天线可以工作在高频波段(Ku波段),天线百分比带宽为48.2%(11.61~18.97 GHz),天线增益达到15.3 dB。 |
The measurement results show that the designed antenna can work in high frequency band ( Ku band) with percentage bandwidth of 48.2%(11.6-18.97 GHz) ,and the antenna gain of 15.3 dB. |
15644 |
实测数据与仿真数据一致性较高,所设计天线可用于5G基站等现代通信系统。 |
The antenna can be used in modern communication systems such as 5G base station. |