ID 原文 译文
15685 小环天线尺寸小,但存在带宽窄和辐射效率低的缺点。 Small loop antennas is small in size，but has a narrow bandwidth and low radiation efficiency．
15686 设计了一款具有高辐射效率和一定带宽的耦合环天线。 In this work，a novel coupling loop antenna with high radiation efficiency and certain bandwidth was proposed．
15687 该天线为平面结构,使用电小的内环作为辐射单元,容性多边形外环作为耦合单元。 It has a planar structure，and an electrically small inner loop and a polygonal outer loop was used as the radiating unit and the coupling unit，respectively.
15688 通过内外环耦合增加天线辐射电阻,消除阻抗虚部分量,从而扩展了天线带宽,提高了辐射效率。 The loops were coupled to improve antenna input impedance，thereby expand the antenna bandwidth and improve its radiation efficiency．
15689 设计和加工制作了一只中心工作频率为1.3 GHz的天线样品,该天线制作于厚度为0.6 mm的PCB(Printed Circuit Board)板上,内/外环尺寸分别仅为0.06λ和0.26λ,其中λ为中心工作频率对应波长。 An antenna prototype with a center working frequency of 1. 3 GHz was designed and fabricated on a PCB with the thickness of 0. 6 mm． Its inner and outer loops dimensions are only 0. 06λ and 0. 26λ，respectively，where λ is the wavelength at center operating frequency．
15690 测试表明,该天线VSWR<2的阻抗带宽达到5.7%(1.28～1.355 GHz);具有类全向方向图,中心频点最大增益约1.98 dBi,天线辐射效率达到96%。 The measurement results show that the antenna has a VSWＲ＜2 impedance bandwidth of 5. 7% ( 1. 28－1. 355 GHz) ，a nearly omnidirectional pattern with a maximum gain about 1. 98 dBi，and a high radiation efficiency up to 96%．
15691 该天线结构简单,易于加工,具有一定的工程应用价值。 This antenna has a simple structure and it is easy to process，so it has certain engineering application potential
15692 分别采用FR4环氧板材料和液晶聚合物LCP材料作为介质基板,尺寸分别为25 mm×10.5 mm×0.8 mm和32 mm×7.5 mm×0.1 mm。 Antennas were designed and fabricated on two different substrates，namely，liquid crystal polymer ( LCP) substrate and FＲ4 substrate，which have dimension of 32 mm×7. 5 mm×0. 1 mm and 25 mm× 10. 5 mm× 0. 8 mm respectively．
15693 FR4基板天线实测工作带宽为2.27～11.9 GHz,相对带宽达到134%。 Antenna had a chamfered semicircle patch，a semicircle ground plane with a square groove notched in the top．
15694 LCP介质板天线实测工作带宽为2.8～9.6 GHz,相对带宽为110%。 Antenna bandwidths of the LCP and FＲ4 substrates are 2. 27－11. 9 GHz and 2. 8－9. 6 GHz below －10 dB． The relative bandwidth reaches 136% and 110% respectively．