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- Effects of random surface errors on radiation characteristics of the side-fed offset cassegrain antenna 表面误差对侧馈偏置卡塞格伦天线辐射场的影响
- offset Cassegrain antenna 开斯格兰移位天线
- Study of the shaping reflector for side-fed offset cassegrain antennas 侧馈偏置卡塞格伦天线的面赋形研究
- In order to meet global scanning requirements of the satellite antenna, a side-fed offset cassegrain (SFOC) antenna is designed in this paper. 为满足星载天线空间电扫描的要求 ,研究了宽角扫描侧馈偏置卡塞格伦天线 (SFOC)的设计问题。
- 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.
- To improve the wide-angle scanning properties of the satellite antenna, we concentrate on the shaping of the main reflector of the Side-Fed Offset Cassegrain (SFOC) antenna by the method of the ray tracing and the idea of the optimization. 为改善星载天线的宽角扫描特性;采用射线追踪的方法;通过优化的思想对侧馈偏置卡塞格伦(SFOC)天线的主反射面进行了面赋形设计.
- This paper presents a high power feed system for 7.3 m Cassegrain antenna. 介绍用于?7.;3 m Cassegrain天线的高功率馈源喇叭的设计。
- Cassegrain antenna is a kind of dual-reflector antenna, with characteristics of high-gain, narrow-beam, suppressed side lobes and agility in designing. 卡塞格伦天线是一种双反射面天线,其特点是高增益、锐波束、低旁瓣、设计灵活。
- A microstrip array antenna is designed and manufactured to work as the feed of the Cassegrain antenna system. 研制了一个用作卡塞格伦天线系统的馈源的微带天线阵。
- Loads distort every component of the structure of the Cassegrain antenna system. 载荷使卡塞格伦天线结构的每个部分发生变形。
- It has also been used to calibrate the same radiometer fitted with 800 mm and 368 mm diameter Cassegrain antenna. 文中还介绍了装有800mm和368mm直径卡塞格伦天线的同一幅射计的定标实验.
- A microstrip reflectarray cylindrical Cassegrain antenna system is designed, which has an fixed beam deviation angle in the azimuth. 设计了一个微带反射阵柱形卡塞格伦天线系统,使该天线系统在方位面方向产生了固定的波束偏移。
- 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
- This antenna is a 20m modified cassegrain antenna,its feed is a corrugated horn,and adopts multiple?moulding autotrack mono?pulse method. 天线采用20m卡塞格伦式天线,馈源为波纹喇叭,多模单脉冲自跟踪方案;
- Thus it provides a theoretical basis for design and adjustment of refector antenna, particularly the modified Cassegrain antenna. 为反射面天线尤其是修正卡塞格伦天线的设计和调整提供了理论依据.
- Complicated mathematical relations exist between beam direction angle and mechanical angle of the antenna pedestal in Cassegrain antenna system discussed in this paper. 文中介绍的卡塞格伦天线系统中,波束指向角度和天线座机械角度有着复杂的数学关系。
- A high quality 2.5m Cassegrain antenna in a feed system of the conical corrugated horn has been designed by using a modification method of the special shaping of both mainreflector and subreflector. 本文报道了圆锥波纹喇叭作为馈源系统的2.;5m卡赛格伦天线的设计;修正其主、副面的形状;使该天线获得高效率(71
- 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。
- This paper analyzes the errors caused by antenna feedline of Cassegrain antenna in monopulse radar since these errors can have an influence on radar tracking ac curacy and stability. 分析了单脉冲雷达采用卡塞格伦天线时 ,其天馈线所产生的误差 ,该误差影响了雷达跟踪精度和稳定性。
- For a dual-reflector,such as Cassegrain antenna,the total scattered field should be the phase summation of the diffracted and reflected fieldsfrom the mainreflector and subreflector. 对于卡塞格伦等型式的双反射器天线,总散射场应该是主、副面绕射场,副面镜面场和反射绕射场等各项的相位相加。