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equal beamwidth
相关语句
  等波束宽度
     Currently there are two typical spot-beam models with equal beamwidth and equal spotarea.
     目前等波束宽度模型和等点波束面积模型是两种常用的点波束模型。
短句来源
  “equal beamwidth”译为未确定词的双语例句
     An electromagnetic antenna element composed of an excited slot and two qarasitical monopoles may provide radiation patterns having equal beamwidth in the E-and H-plane, and reduce the back radiation. This antenna structure improves directivity and reduces mutual coupling between elements, thus facilitating the design of antennas.
     由一个激励缝隙和两个寄生振子组成的天线——电磁元,能使E和H面方向图波瓣宽度接近相等,提高方向性系数,降低背向辐射,减小单元之间的耦合,有益于阵列设计。
短句来源
  相似匹配句对
     that of P is nearly equal;
     P地上几乎相等;
短句来源
     equal argument;
     平等的争论;
短句来源
     Currently there are two typical spot-beam models with equal beamwidth and equal spotarea.
     目前等波束宽度模型和等点波束面积模型是两种常用的点波束模型。
短句来源
     The Measurement of Infrared Laser Beamwidth
     红外激光束斑的线度测量
短句来源
     DESIGN AND SIMULATION OF BEAMFORMER WITH CONSTANT BEAMWIDTH
     恒定束宽波束形成器的设计和仿真研究
短句来源
查询“equal beamwidth”译词为用户自定义的双语例句

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An electromagnetic antenna element composed of an excited slot and two qarasitical monopoles may provide radiation patterns having equal beamwidth in the E-and H-plane, and reduce the back radiation. This antenna structure improves directivity and reduces mutual coupling between elements, thus facilitating the design of antennas. In this paper, the radiation of a combination of electric and magnetic dipoles is discussed and structural parameters which yields nearly equal beamwith are deritved.The...

An electromagnetic antenna element composed of an excited slot and two qarasitical monopoles may provide radiation patterns having equal beamwidth in the E-and H-plane, and reduce the back radiation. This antenna structure improves directivity and reduces mutual coupling between elements, thus facilitating the design of antennas. In this paper, the radiation of a combination of electric and magnetic dipoles is discussed and structural parameters which yields nearly equal beamwith are deritved.The numerical calculations and experimental research have been performed, and the results agree with each other. The coupling coefficient, exciting current and radiation admittance have been analysed and computed on the basis of an equivalent network, plots are also given. The experimental plot which shows the VSWR at the input versus lengthes of the monopoles is also presented in the paper.

由一个激励缝隙和两个寄生振子组成的天线——电磁元,能使E和H面方向图波瓣宽度接近相等,提高方向性系数,降低背向辐射,减小单元之间的耦合,有益于阵列设计。本文讨论了这种电磁复合偶极子的辐射,给出了波瓣宽度接近相同的天线结构参数,进行了数值计算和实验研究,结果两者吻合得较好。文中从等效网络的观点出发,分析、计算了耦合系数、激励电流、辐射导钠,绘成了曲线,给出了输入端电压驻波比VSWR随寄生振子长度变化的实验曲线。

The spot-beam design in the satellite-based cellular communication systems is discussed mainly. Currently there are two typical spot-beam models with equal beamwidth and equal spotarea. On the basis of discussing the analyzed restraint relationship between the link loss and the spot-beam antenna gain a new spot-beam model of optimum design named link level balance spot-beam model is proposed. The calculation result shows that the model can keep the balance of the link level budget margin among the...

The spot-beam design in the satellite-based cellular communication systems is discussed mainly. Currently there are two typical spot-beam models with equal beamwidth and equal spotarea. On the basis of discussing the analyzed restraint relationship between the link loss and the spot-beam antenna gain a new spot-beam model of optimum design named link level balance spot-beam model is proposed. The calculation result shows that the model can keep the balance of the link level budget margin among the different spot-beam cellars, the onboard power in satellite can be used more effectively and the model is possessed of better applied value.

讨论了卫星蜂窝通信系统的点波束设计。目前等波束宽度模型和等点波束面积模型是两种常用的点波束模型。在分析链路损耗与点波束天线增益之间制约关系的基础上,提出了一种新的点波束优化设计模型———链路电平平衡点波束模型。计算结果表明,该点波束模型能使各点波束小区的链路电平预算余量达到平衡,并使星上功率得到更有效的利用,弥补了现有模型的不足,具有较高的应用价值。

 
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