radiation pattern

1. Synthesis of Radiation Pattern Using Genetic Algorithm for Antenna Array near Electrically Large Platform
   应用遗传算法的电大尺寸载体附近天线阵方向图综合
2. Space Mapping Algorithm was extended to optimize conformal antenna array, and was used to optimize the radiation pattern for the first time.
   将空间映射算法推广到共形天线阵的优化设计之中，并首次使用该方法对天线的方向图特性进行优化。
3. Verification of differences of characteristics of electromagnetic field image and radiation pattern in the near and far field are demonstrated.
   验证电磁场影像及场型特性在近场与远场中之差异。
4. Optimization of the Radiation Pattern of Linear Array Antennas Based on an Improved Genetic Algorithm
   基于遗传算法的天线阵方向图优化设计
5. Effect of Different Radiation Pattern on Cell Cycle and Cyclins in Human Poor Differential Nasopharyngeal Squamous Cell Carcinoma
   不同照射模式对CNE-2细胞周期和细胞周期素的影响研究
6. The frequency response of radiation pattern of a linear dipole antenna by Hertz dipoles field summation approximation.
   计算偶极天线之辐射场型随频率之变化。
7. The results of this paper can be used to analyze the radiation pattern of airborne antenna and to optimize the airborne antenna disposition.
   计算结果可为天线安装后辐射性能预测和最优化配置提供理论依据。
8. An oval-shaped radiation pattern provides a wider field of view with higher luminosity than standard LEDs, making the devices ideal for outdoor applications where readability in sunlight is essential.
   椭圆形发光模式的LED与标准的LED产品相比，不但扩大了视角，而且增强了亮度，这使得这些器件特别适合于要求在阳光下清晰可读的户外应用。
9. The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line.
   传输线上脉波电流频谱中各频率成份在远近场区中场型之比较。
10. Through sustained efforts, we have initially set up to Beijing and Shanghai as the business center, relying on the Internet platform, radiation pattern of China's developed areas of the business.
    通过持续的努力，我们已经初步建立起以北京和上海为业务中心，依托互联网平台，辐射中国发达地区的业务格局。
11. The rupture directivity effect is due to rupture propagation and radiation pattern effects.
    破裂方向效应是由破裂传播和辐射图效应引起的。
12. The straw cover+ spraying of water is obvious to the radiation pattern freeze injury defense effect.
    秸杆覆盖+喷水对辐射型冻害防御效果明显。
13. The radiation pattern and bandwidth are also predicted and discussed.
    求解了带宽和辐射方向图，并讨论了介质覆盖和空气隙对天线谐振频率和辐射特性的影响。
14. A new kind of RFID antenna which has properties as fractal antenna is proposed. Moment method is used in the analysis of this new kind antenna. The parameters, such as input impedance, return loss, radiation pattern are analyzed.
    提出了一种新的带有分形性质的RFID天线，利用矩量法对该天线进行了计算，并分析了输入阻抗、回波损耗、辐射方向图等特性参数；
15. Using reciprocity theory compute the E face and H face's radiation pattern.
    在此基础上利用互易定理计算出共形微带天线E面和H面的方向图。
16. This paper investigates the effect of reflector surface distortion on the antenna radiation pattern, and gives some reasonable criteria for reflector antenna structure design.
    本文基于机电一体化的设计思想，研究了反射面变形对无线辐射特性的影响，给出了设计反射面无线结构的一些合理准则。
17. The radiation pattern of monopole in the meta-material is studied.
    实验研究了位于异向介质中的鞭天线的辐射特性。
18. This paper discusses the satellite planar array multi-beam antenna and presents its model and array radiation pattern.
    本文以星载平面阵列多波束天线为研究对象，建立了平面阵的数学模型，并给出天线的阵列方向图。
19. Numerical simulation was carried out with professional radio frequency ( RF) and microwave software. The effects of the ground plane's extending angle and position on the antenna's returning loss and radiation pattern were investigated to obtain the optimized antenna's design parameters.
    使用专业射频（RF）和微波软件进行数值仿真，分析地平面延伸角度和延伸位置对天线输入反射损耗和辐射方向图的影响，得到优化的天线设计尺寸参数。
20. The Application and Study of Antenna Radiation Pattern Based on MATLAB
    MATLAB在天线方向图中的应用与研究
21. The electrical characteristics ( radiation pattern, gain, input impedance, voltage standing wave ratio, etc.) and the variable phase centers of the log-periodic dipole antenna in the free space are analyzed and calculated in detail, taking into account all mutual coupling effect.
    采用该方法对自由空间对数周期偶极天线的方向图、增益、输入阻抗和电压驻波比以及等效相位中心等特性进行了详细的分析计算，且计算时考虑了阵中所有偶极子之间的全部互耦。
22. The Amendment technique of the lens antenna structures is improved utilizing the simulated radiation pattern.
    利用仿真得到的透镜天线辐射方向图，提出了对透镜天线结构的修正方法。
23. In addition, the radiation pattern of radar antenna is also simulated.
    此外，还对雷达天线的辐射模式进行了仿真。
24. By measuring the far field radiation pattern and the polarization of THG signals, it was found that THG signals from the opening parallel structures radiate into angles of different diffraction orders and preserve the fundamental wave polarization state.
    实验中测量了两种结构的THG远场辐射角和偏振特性后发现，开口和入射光平行的结构中的THG呈衍射级数形式，并且偏振方向和基频光一致。
25. Then the antenna radiation pattern is analyzed.
    接着分析了单元天线的辐射方向图。
26. They can be used in wireless communication systems to increase the system performance by choosing the proper radiation pattern.
    它们应用在无线通信系统中，通过选择适当的方向图可以提高系统性能。
27. Detailed fabrication process and measurement procedure of S parameters and radiation pattern are introduced.
    论文的最后对微带天线的制作工艺及测试方法进行了讨论，给出详细的工艺制作流程和具体的S参数测试步骤及方向图的测试方法。
28. In the paper, the far-field radiation pattern of planar antenna array is analysed by the basic theory of planar antenna array and the port network theory, and has derived the corresponding formulas.
    文章先结合平面天线基本理论和端口网络理论，对平面天线的远区辐射方向图进行了分析，并提出了相应的数学表达式。
29. An emphasis was focus on the influence of resonant cavity on the spontaneous radiation pattern through computer simulation.
    重点阐述了谐振腔对自发辐射的影响，通过数值模拟计算解释了共振腔的存在对发射光谱的影响。
30. Then introduced the theoretical basis of the antenna design and performance parameters: including the circuit parameters and radiation pattern.
    接着介绍了天线设计的理论基础和性能参数：包括电路参数和辐射参数。

noun

1. graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle

   Synonym:    radiation diagrampattern