antenna directivity
英
美
网络 天线方向性; 天线指向性
双语例句
- The directivity of curvilinear dipole is analysed by the basic principle of antenna array, the relationship between the directivity and the length of curvilinear dipoles is obtained.
本文利用天线阵基本原理近似分析了曲线振子的方向性系数，得到了方向性系数随曲线振子长度的变化关系，为曲线振子天线的进一步研究及设计提供参考。 - The basic antenna parameters are given, for example power transmission coefficient, input voltage standing-wave ratio ( VSWR), quality factor, radiation field and directivity. The power transmission coefficient is calculated as a numerical example.
导出天线基本参数如功率传输系数，输入电压驻波比，品质因素，辐射场以及方向性系数的表达式，并以功率传输系数为例进行了数值计算。 - Methods of Moment on Monopole Antenna Directivity With
考虑地面反射时单极天线方向性的矩量法分析 - As an important parameter of spaceborne SAR antenna, the antenna beam directivity stability is affected by many factors.
天线波束中心指向稳定度是星载合成孔径雷达（SAR）天线的一个重要指标，影响天线波束中心指向稳定度的因素很多。 - The computational results of antenna's directivity pattern and S_ ( 11) parameters are compared and in good agreement with the experimental results. The results show that the methods of modeling and calculating are correct and valid.
给出了计算所得到的波导缝隙天线阵单元的回波损耗参数（S11）和方向图，通过与实验结果相比较，两者吻合得较好，从而证明了该分析模型和计算方法的正确性与有效性。 - In this paper the general formulas on calculating far-field for the Vee Dipole Antenna at the space are derived from method of curvilinear integration and the field pattern, the radiation resistance and the directivity are given.
本文利用曲线积分的方法，导出了V型偶极子天线在空间任一点处远区场的一般数学表示式以及方向性函数、辐射电阻和方向性系数的计算式。 - This paper introduces the electromagnetic radiation prediction model of a base station. In combination with antenna gain and antenna directivity, predicts the electromagnetic radiation conditions in different areas, and compares the prediction results and practical measurement data as well.
本文介绍了分析移动通信基站的电磁辐射情况预测模型，结合天线的方向性和增益情况对不同地区不同辐射方向上的电磁辐射情况做出预测并与实测数据进行比较分析。 - The simple formulae of fast calculating aperture antenna directivity and gain are derived using antenna beamwidths. Applied range of these formulae are analyzed and discussed.
导出了用天线方向图的半功率波束宽度快速计算口径天线方向性系数和增益的简单表达式，分析讨论了这些公式的应用范围。 - The results show that the smart antenna can efficiently strengthen useful signal, decrease interference and form the optimum directivity diagram.
结果表明，智能天线可以有效增强有用信号，降低干扰，从而形成最优的方向图。 - Method of fast estimating aperture antenna directivity and gain
口径天线方向性系数和增益的快速估算方法 - The detailed measurements of the antenna, including VSWR, directivity and gain are processed. The measurement results are compared with the electromagnetic simulation results and analyzed.
通过对天线进行了驻波比、方向图、增益的详细测量并和软件仿真结果进行了比对和深入的分析。 - The effects of parasitic elements on the characters of elements in the cylindrical conformal array antenna ( CCAA) are studied; the array impedance, pattern, directivity and scanning performance are simulated.
对于圆柱共形阵天线，分析寄生单元对阵中单元的输入阻抗和方向图的影响；计算阵列的阻抗、方向图、方向系数和扫描特性。 - Since antenna appearance, directivity measurement always is important problem for people. Now with development of modern analysis and design technology, directivity measurement becomes more and more indispensable.
从天线问世到现在，方向图测量一直成为人们关注的重点课题之一，而今随着现代分析技术和设计的发展，方向图测量变成越来越不能缺少的一部分。 - The antenna property that radio wave energy radiation or reception relates to the direction is called the antenna directivity.
天线的这种辐射或接收电波能量与方向有关的性能称为天线的方向特性。 - The stronger antenna directivity is, the greater the channel capacity.
天线单元方向性越强，信道容量越大。 - Based on the transformation-electromagnetics devices with scattering magnifying functions, their applications in reducing the antenna size or enhancing its directivity are further studied and the lossy conditions of the media are also analyzed to fit the practical conditions.
以具有散射放大功能的变换电磁学器件为基础，进一步研究了这些器件在缩小天线尺寸或增强天线方向性方面的应用，并进行了贴近实际情况的介质损耗分析。 - We bring the directional antenna into indoor positioning and use directivity and penetration characteristic of it to enhance the location performance.
我们在室内定位中引入定向天线，利用定向天线的方向性和穿透能力强的特性来加强定位效果。