In order to reconstruct the shape of scatterer d, we establish the relation between the scatterer and the far field pattern. The relation can be fixed by so called far field operator f.
为了能够重构散射体d，我们可以建立起远场模与散射体之间的联系，这种联系可以通过所谓的远场算子f来确定。
The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line.
传输线线上脉波电流之频谱与分布及其各频率成份之辐射远近场型之差异。
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。
There are many methods to measure the pattern of phased array antenna, such as the technique of plane scanning in near field, focusing method in Fresnel zone, general method in far field, etc.
阐述了用聚焦法在菲涅尔区测试相控阵天线的理论依据及实现方法，用实验结果对近远场方向图进行了比较。
The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.
应用天线理论中的电流分布法，首次推导了具有连续位相结构的反射式毫米波衍射天线的远场衍射图计算公式。
The identification of mode compositions of gyrotron output power is discussed by using far-field radiation pattern analysis.
讨论从测量远场辐射花样入手来鉴别回旋管的输出成份问题。
Based on complex ray theory, the Gaussian beams emitted by complex source points are employed to simulate the far-field pattern of antennas.
根据复射线理论，利用复源点高斯波束场来模拟天线的远场方向图。
Added setting to enable 'fixed dB scaling' for the far-field pattern (F4) in Settings-menu.
增加了设置，使'在设置菜单固定分贝标度'的(F4键)远场模式。
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；
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；
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