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- Low Sidelobe Reflector Antenna 低副瓣反射面天线
- The design of an airborne off-set parabolic reflector antenna with low sidelobes is discussed. 介绍了机载雷达低副瓣偏馈抛物面无线的设计。
- Compared to traditional microstrip antenna, the presented antenna possesses broader beamwidth, low sidelobe and broad circu... 传统的微带天线通常具有低剖面、安装容易、重量轻以及与承载的母体在外形上拥有一致性等优点。
- To obtain low sidelobe level,tolerance analysis is applied to the antenna array composed by DAUs and the relationship between DAU features and surface planeness error are studied. 为了确保天线低副瓣指标,需要对由DAU拼装形成的天线阵面进行平面度误差分析,并寻求基本拼装单元DAU结构要素与阵面平面度误差之间的联系。
- The emphasis in this paper was corner reflector antenna with high-gain, narrow beam and low side-lobe. 选用方向性好、增益高、旁瓣低的角形反射器天线作为本论文的研究重点。
- Cassegrain dual reflector antenna for UWB high power microwave[J]. 引用该论文 廖勇;谢平;陆巍;陈志刚;杨周炳;孟凡宝;周海京.
- The design and analysis of a low sidelobe Cassegrain antenna using resistive hyperboloid are presented in detail. The surface resistivity of hyperboloid can be expressed in terms of the target low sidelobe aperture distribution. 本文用沿径向有阶梯变化的表面电阻的双曲面来设计低旁瓣卡塞格伦天线 ,给出了双曲面表面电阻值与所需的低旁瓣口径场分布理论值的关系式。
- The backfire antenna is a kind of compact structure, high gain and lower sidelobe antenna, but its bandwidth is limited. 背射式天线具有增益高、副瓣低和结构紧凑的特点,但其频带较窄。
- The characteristics is used to design a ring-focus Cassegrain antenna and it was found that it has higher gain and lower sidelobe level. 文中还利用上述特性设计了一个大口径的焦环卡塞格伦天线 ,结果显示 :它有较高的增益和较低的副瓣电平
- The affects of polytropic plus integration number and low sidelobe level were considered in the detection probability calculation. 考虑了相控阵雷达多变的 脉冲积累数和极低的副瓣电平对发现概率的影响。
- A monopulse reflector antenna with an illuminator of six elements circular array is studied. 该文研究了一种以六单元圆形阵列作为照射器的单脉冲抛物面天线,这种天线具有实现宽频带跟踪的独特优点,其输出信号类似于圆波导单口径多模馈源,具有一个和波束,一个锥形差波束,并给出了没有接收机参与的情况下,将宽频带的和差两个通道变成单通道的途径。
- Moreover, the radiation field of the distorted reflector antenna is calculated by the physical optics method. 在此基础上,通过使用物理光学法直接计算出变形反射面天线辐射场。
- With the simulation and analysis using MATLAB, this paper studied a method to design low sidelobe FSK/PSK radar signal with Genetic Algorithm and three algorithms for pseudo-random FSK/PSK radar signal sidelobe suppression. 本文讨论了一种用遗传算法设计低旁瓣水平FSK/PSK信号的方法和三种伪随机FSK/PSK信号旁瓣抑制算法,并用Matlab进行了仿真分析。
- Theoretical analysis and calculational results are presented to demonstrate that due to the low sidelobe gain of beam, the degree-of-freedom (DOF) of the clutter is significantly decreased. 理论分析和仿真计算结果表明,和差波束低副瓣增益有效抑制了旁瓣杂波,降低了杂波自由度。
- The backfire characteristics of a monofilar helix and the radiation characteristic of the paraboloidal reflector antenna with a backfire helical feed operating at C band are studied. 研究了C波段单线背射螺旋的背射特性及其作为抛物面馈源的辐射特性。
- The average power pattern of the Side-Fed Offset Cassegrain(SFOC) dual reflector antenna is analyzed,and the effect of the random surface error on radiation characteristics of the antenna is addressed. 以侧馈偏置卡塞格伦双反射面天线为对象;通过数值计算方法分析了该天线的平均功率方向图;研究了反射面随机表面误差对天线辐射特性的影响.
- It is shown that the lower sidelobe level of multi-step amplitude quantized array should be achieved using the fewer number of quantized steps. 研究结果表明,利用较少量化台阶数,多阶振幅量化阵可实现较低的副瓣电平。
- The telescope is the largest parabolic reflector antenna in our country.The technologies used in the telescope are electromagnetics, optics, control, mechanics, structures and civil engineering. 该望远镜天线目前是我国最大口径的抛物面天线,其研制过程涉及了电磁、光学、自控、机械、结构、安装等多个技术领域。
- The purpose of this comprehensive review is to trace some problems of the theoretical analysis of modified dual reflector antenna and to emphasize the approximativeness of some methods. 本文综述修正双反射面天线的一些理论分析问题,指出某些方法的近似性,并阐述修正双反射面天线在工程设计中应考虑的一些问题。
- The Optimum Design of 8mm lower Sidelobe Cassegrain Antenna 八毫米低副瓣卡氏天线的优化设计