field radiation pattern的意思|示意

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 aperture field distribution of the ring focus antenna is reviewed in view of the energy conservation law, and the simple formula for calculating its radiation pattern is deduced.

该文从能量守恒观点出发，讨论了副面为椭圆的环焦天线的口径场分布，并导出了计算其方向图的简单表达式。

The far-field radiation pattern of the open-end rectangular waveguide was measured and the complex coefficients of each mode were determined by this method.

这种方法先根据波导口尺寸利用惠更斯原理计算出各模式的辐射场的分布；

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。

According to the radiation temperature derived from the imaery, the quantitative analysis of the spatial distribution pattern of urban thermal field was done.

根据反演出的地表辐射温度，对福州市城市热力场的空间分布特征和热力景观进行了定量分析。

On the basis of the experimental element pattern and GTD, an efficient numerical method for analyzing 3-D radiation field of antennas on the truncated cone-cylinder is presented.

根据实测的单元天线方向图，利用几何绕射理论，给出了金属截锥柱侧天线三维辐射场的一种有效的数值分析方法。