A new method for the form-state analysis of cable net in mesh antenna reflector is proposed in the paper. 提出一种改进的方法进行金属网反射器索网形态分析,可以提高金属网反射器的制造调整效率。
The manufacturing technology of the reticulated antenna reflector made of Carbon Fiber Reinforced Polymer ( CFRP) is introduced in this paper. 作为一种新型的工程材料,碳纤维(CFRP)在混凝土结构加固方面具有诸多优势。
Analysis and Simulation of Error in Grid Antenna Reflector 偏馈栅格天线的栅面误差分析与仿真
Development of Antenna Reflector Based on Carbon Fibre Composites 碳纤维复合材料天线反射面研制
Research on the design of developable incision paraboloid antenna reflector 可展开切割抛物面天线反射体的设计研究
Nonuniform temperature simulation test in vacuum and its analysis of antenna reflector of synchronous satellite 同步卫星天线反射器的真空非均匀温度模拟试验与分析
The research of the laser measuring global radar technology can meet the need of the measurement on surface precision of radar antenna reflector under the working state. And it is important to analyze the precision of radar antenna surface measurement technology. 激光检测整体雷达技术研究是为满足对雷达天线反射体在工作状态下的型面精度检测的需要,而对雷达天线型面精度检测技术进行精度分析也是相当重要的。
The paper describes the developing situation of the antenna reflector at home and abroad and puts emphasis on the moulding process and present level in the research work. 本文介绍国内外天线反射体的发展现状,重点介绍了碳纤维天线反射体的成型方案和成型工艺,以及目前达到的研究水平。
By means of the finite element method, several problems concerning the structure of a small-size antenna reflector such as structure simplification, modelling, segmentation and calculation are analysed. Calculation results are given too. 本文应用有限元法,针对小型天线反射体结构在结构的简化、模型的建立及单元的划分与计算等方面的几个问题进行了分析,并给出了计算结果。
Shape accuracy adjustment of a flexible mesh antenna reflector 网状天线的反射面形状精度调整
This paper was described the situation at home and abroad of the advanced composite material antenna reflector accuracy, the accuracy at abroad is high up to 3.0~ 1.0 μ m r. 本文概述了先进复合材料天线反射器精度的国内外情况,国外最高精度达到了3.0~1.0微米r。
The article describes the new technologies for the development of European satellite multibeam antenna and discusses the new concepts, new technologies and new applications of different types of multibeam reflector antenna or array antenna reflector, feeder, beam shaping network and radiation patch. 本文综述了欧洲卫星多波束天线发展的新技术,对各种多波束反射面天线或阵列天线的反射面、馈源、波束成形网络、辐射贴片等的新理论、新技术、新应用作了述评。
This paper suggests a homologous structure of large antennas, namely the homologous bar form, which realizes the axisymmetric supporting of the antenna reflector via homologous bars. 本文提出了保型杆式的天线保型结构,基本思想为用保型杆实现对反射体的轴对称支撑。
Dynamic Reliability Analysis of Accuracy of Antenna Reflector under Wind Vibration 天线反射面精度风振动力可靠性分析
To calculate deformation square root of antenna reflector; 计算天线反射面变形的均方根值;
This method implements real-time analysis of solar radiation heat flow on parabolic antenna reflector on-orbit and makes it possible to accurately analyze its thermal deformation and thermal flutter. 该方法实现对在轨抛物面天线反射器的太阳辐射热流的实时分析,为准确分析反射器的热变形或热颤提供条件。
In the end, being based upon the improved surrounding trusswork space mesh deployable antenna structure, analyses and calculations are finished for the designed antenna reflector 1/ 48 FEA model and the results prove that this kind of method is effective and viable. 最后结合某改进型周边构架式空间网状可展开天线结构,对所设计的该天线反射面1/48有限元模型进行了分析计算,结果表明,该分析方法是有效和可行的。
Based on the completely synthesizing the available research results, the optimization of actuators/ sensors placement and feedback gains of the H~. control system at orbit for Large Space Mesh Antenna Reflector is dealed with deeply and systemically for the first time. 本文在全面综合现有国内外研究成果的基础上,首次系统深入地研究了大型空间天线反射面在轨H∞鲁棒控制系统的作动器/传感器配置和反馈增益一体化优化设计问题。
Compared with GTD, this method is easier to deal with when the antenna reflector has complicated cross section shape. 与GTD法相比,该方法更易处理具有复杂截面形状的反射体天线。
Combining a multistage shear mechanism with a twin-screw thread mechanism, the paper presented a new big-caliber space antenna with radial deployable ribs, designed an antenna reflector with the caliber of 18 meters and established its finite element model under working conditions. 本文将多级剪刀机构与复式螺旋机构组合,提出了一种新型的径射状可展天线反射器结构,设计了18m口径的天线反射器,并建立了工作状态时的天线反射器结构有限元模型。
This paper combines the nonlinear finite element method analysis with the smart structure and the H~. Mixed-Sensitivity control method. Build the more actual model of the large mesh shape antenna reflector's online control. 本文把非线形有限元分析与智能材料和H∞混合灵敏度控制方法相结合,建立了更切合实际的空间大型网状天线反射面在轨振动控制的模型。
The Manufacturing Technology of Antenna Reflector Panel for Large Phased Array Radar 大型相控阵雷达天线反射面板的制造技术
Adaptive antenna reflector based on filament winding technology 基于纤维缠绕技术的自适应天线反射器
The technique used to adjust flexible antenna reflector 柔性天线反射面调整技术
A Simple Method of Inspecting Regular Degree of Paraboloid of Revolution Antenna Reflector and Calibrating 旋转抛物面天线反射镜规度简易检测及校准方法
This paper describes the test technology about distortions and the measurement results of antenna reflector of synchronous satellite under nonuniform temperature field in vacuum. 本文介绍了同步卫星天线反射器在真空非均匀温度场的变形试验技术及其测量结果。
In this paper, the dynamic reliability of antenna reflector accuracy under wind vibration is studied. 本文研究了风振下天线反射面精度的动力可靠性问题。
Application of Finite Element Method in the Thermal Analysis of Spacecraft Antenna Reflector 有限元法在空间飞行器天线反射器热分析中的应用
Research on Processing and Machining Workmanship of Blade-grided Antenna Reflector with Carbon-fiber Frame 碳纤维骨架、栅片式天线反射器加工工艺研究
Results offer evidences for precision control of inflatable space antenna reflector. 分析结果为空间充气展开天线反射器表面精度控制提供依据。