针对运用矩量法计算电大尺寸天线时遇到的严重困难，提出一种基于矩量法的计算天线远场的远区近似(MOM- FZ)方法。
Aimed at the difficulty in calculating an electrically large size antenna by using MOM, a far zone approximate method based on MOM (MOM-FZ) was presented for calculating radar antenna pattern.
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 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.
提出了一种基于远场近似法建立的大气风场测量散射模型。
A backscatter model was developed for measuring wind field with far-field approximation method.
实现了用远场掩模法对单模光纤模场直径的测量。
Therefore, measurement of mode field diameter of single mode fibers by far-field mask is realized.
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。
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.
本文研究了一种用于冲激SAR成像处理的算法——反向投影法，该算法不同于满足“远场、窄带”约束条件下的常规SAR的频域成像算法。
The Back Projection Algorithm adopted in the process of impulse SAR imaging is analyzed in this paper. The algorithm is different from that of conventional SAR imaging formation.
介绍了CCD摄像法测量激光远场光斑的工作原理。
It is introduced that the CCD photograph law survey laser distant field facula principle of work in this article.
实现了用远场掩模法对单模光纤模场直径的测量。
Therefore, measurement of mode field diameter of single mode fibers by far-fi...
用平面波谱法，求解圆柱对连续口径天线的二维散射问题，给出圆柱对天线远场的散射影响，得到精确的公式。
With the method of plane wave spectrum(PWS) , a 2-D electromagnetic scattering problem, the influence of a cylinder on a continuous antenna, is solved. The formulae given in this paper are accurate.
用平面波谱法，求解圆柱对连续口径天线的二维散射问题，给出圆柱对天线远场的散射影响，得到精确的公式。
With the method of plane wave spectrum(PWS) , a 2-D electromagnetic scattering problem, the influence of a cylinder on a continuous antenna, is solved. The formulae given in this paper are accurate.
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