radiation pattern
英 [ˌreɪdiˈeɪʃn ˈpætn]
美 [ˌreɪdiˈeɪʃn ˈpætərn]
网络 辐射场型; 辐射模式; 辐射方向图; 方向图; 场型
英英释义
noun
- graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle
双语例句
- 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。 - 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。 - 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； - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。