一种双弯曲反射面天线的结构设计

对天线结构设计中的若干问题进行了分析、提供了双弯曲反射结构尺寸的计算公式，推出了具有造型新颖、紧凑简洁、重量轻等优点的板梁式天线结构。     

一种雷达天线铁塔的结构设计

从进一步提高可靠性，可维修性，可使用性的角度出发，对某雷达天线系统实现高塔架设的结构方案进行了论述。     

机动型雷达平面阵列天线的结构设计

天线作为辐射和接收雷达电磁波的主体,要求有相当高的阵面精度、刚度和强度。本文分析了机动型雷达平面阵列天线结构设计的特点,结合某机动雷达天线系统的设计,着重介绍了在该类天线设计中如何解决机动性与有限空间尺寸,空间与刚度,刚度与重量,高精度与可分解性等诸多矛盾,指出恰当处理这些问题是该类天线设计成功的关键所在。     

一种机载有源相控阵天线的结构设计

介绍了一种机载有源相控阵雷达的天线结构设计，给出了对天线安装架进行有限元分析的过程和数据，以及对背部单元结构进行力学实验的方法和结果。     

某雷达天线座结构设计与分析

本文就某雷达天线座结构设计的特点,分析了天线座结构与雷达精度的关系,天线座运用了模块化设计及CAD技术,有效地提高了雷达的可行性和维修性,确保了战技指标的实现。     

机载多模相控阵天线的结构设计

论述了机载多模相控阵天线结构设计中的主要问题及解决途径，包括高精度辐射阵面及其背架的刚强度优化设计、天馈器件的轻小化设计、高密度高精度组装设计。经实践验证，这些解决方法效果良好。     

波导裂缝阵列天线的结构设计

简述了常规波导裂缝阵列天线的结构设计方法,同时以某些天线为例强调了结构设计时主要考虑的几个因素。     

一种小型折叠圆形贴片天线

对中心加有接地柱的圆形贴片天线进行了改进，提出了一种新型折叠贴片天线，不仅很大程度上减小了天线的尺寸，而且方向图的仰角也得到了一定程度的降低。     

机动型雷达平面阵列天线的结构设计

天线作为辐射和接收雷达电磁波的主体,要求有相当高的阵面精度、刚度和强度。本文分析了机动型雷达平面阵列天线结构设计的特点,结合某机动雷达天线系统的设计,着重介绍了在该类天线设计中如何解决机动性与有限空间尺寸,空间与刚度,刚度与重量,高精度与可分解性等诸多矛盾,指出恰当处理这些问题是该类天线设计成功的关键所在。     

60 GHz triple folded reflector antenna

A planar reflectarray is used in a triple folded configuration to realise an antenna with low profile and ease of fabrication. At 60 GHz, design and results of two antennas with a diameter of 90 mm and a height of 12.5 mm only are presented     

均匀照射赋形反射面天线设计

为提高反射面天线的照射均匀性，利用波束赋形技术设计一款工作在15 GHz的高性能偏置反射面天线.该天线由一个非均匀有理B样条（non-uniform rational B-splines，NURBS）反射面和一个介质棒馈源组成，NURBS反射面通过物理光学法结合Nelder-Mead优化算法来赋形，从而获得理想的天线辐射场.仿真结果表明，赋形后的反射面天线相对旁瓣电平低于-20 dB，增益在-2.7°~2.7°的波束范围内超过20 dBi，且浮动不超过1 dB.该天线具有结构简单、旁瓣低、增益均匀的特点，在卫星通信等领域具有重要作用.     

Module sharing design technique for dual reflector antenna

Module sharing technique for a dual reflector antenna is presented, which makes different apertured main reflectors of the same focus sharing one set of module by means of optimizing the subreflector. To optimize the subreflector, a fast convergence optimization method is given with a satisfactory result.     

宽频带平板反射器阵列天线分析与设计

采用表面电流有间隙馈电的Hallén积分方程分析了大直径振子的驻波特性,对限制平板反射器阵列天线工作带宽的主要因素进行了研究,探讨了展宽天线带宽的基本方法和途径;以大直径振子为单元设计了一副八单元平板反射器阵列天线,在一个倍频程内,驻波比小于1.5,增益可达18 dBi,带内起伏小于2 dB,具有较好的方向性,在工程实践中具有广阔的应用前景.     

赋形反射面多波束天线优化设计与分析

为了以较低的技术难度实现多个点波束对服务区的高增益、低旁瓣覆盖,提出了一种新型的赋形单口径多波束天线设计方法,通过对反射面赋形来解决传统单口径多波束天线旁瓣电平与波束宽度之间的矛盾.在对反射面优化过程中,将天线口径投影面内的相位分布作为优化变量,利用基于实数编码的遗传算法对其进行调整来获得满足要求的多波束覆盖.数值仿真结果表明:在保证增益大于40 dBi、旁瓣电平低于20 dBi的前提下,该设计能够将波束宽度拓宽为1°,可有效地提高了波束交叠增益,降低了旁瓣电平.     

风廓线雷达天线系统结构设计

介绍了对流层风廓线雷达天线系统的结构设计,着重介绍了Co－Co线源、天线骨架的商品化、模块化结构设计及应用。     

Design of a Vlasov antenna with reflector

The Vlasov antenna, composed of a slant-cut radiator and a parabolic cylinder reflector, is designed by using vector diffraction theory. The experiential formulae on the antenna design are given. A C-band Vlasov antenna, composed of a cylindrical waveguide of 4.5?cm radius with 35° as the bevel-cut angle, and a reflector, was designed. The calculations and measurement results show that the antenna can work over a wide bandwidth (from 3.6?GHz to 5.6?GHz). The gain is about 21?dBi at 4?GHz and over 23?dBi at 5.6?GHz. The energy emission efficiency exceeds 90% at 4?GHz and the overall efficiency exceeds 88% in the range from 3.6?GHz to 5.6?GHz.     

Feed-reflector design for large adaptive reflector antenna (LAR)

A novel feed-reflector system for large Cassegrain antennas of radio astronomy and deep-space communication applications is investigated. This feed-reflector is used to illuminate a hyperboloid subreflector with a 5-10 m diameter located 500 m above the ground. Because the subreflector is located in the near field of the feed-reflector antenna, a theory based on the near field focusing properties of paraboloid reflectors is established. The focusing at near distance is formed by moving the feed horn away from the focal point of the feed-reflector. In this theory, the properties of axial defocused paraboloid reflectors at near distance are investigated in more detail. By using equivalence path law, the subreflector shape is obtained. It is found that the hyperbola can approximate the subreflector well. A detailed ray tracing is performed on the entire system which reveals that the feed system uses some part of the subreflector three times. The gain, side lobe level, cross polarization, and aperture distribution are calculated for different feed horn locations and taper at the edge of the feed-reflector and also for different sizes and eccentricities of the subreflector. Peak efficiency in excess of 74.8% and side lobe level around -20 dB are obtained for an unshaped system. The performance of the system over the operating band (1-22 GHz) is also studied and shown that the lower-frequency limit is dependent on subreflector and feed-reflector sizes     

An offset bifocal reflector antenna design for wide-angle beam scanning

A synthesis procedure and performance results for an offset dual reflector with perfect focusing atpm 8degof beam scan are presented. This bifocal antenna extends the theory of the previously reported symmetric system to an offset design. Approximations, such as the smearing of focal points into a "focal ring," are eliminated, as is blockage. The offset design affords greater design flexibility, although the synthesis is more complex. Computed and experimental results demonstrate the improved beam-scanning performance of this antenna.