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指出了圆形基底上的环形行波磁流的辐射场与圆环扇形——辐射线(ANSERLIN)天线的辐射场强的等效性,用一致性几何饶射理论(UTD)求得了基底边缘的边缘绕射场;阐明了计入二次绕射的必要性;用等效边缘电流法(EEC)算得焦散区的绕射场,将理论结果与实验结果做了比较,二者基本符合。
The equivalence between the radiated field of toroidal magnetic flux on a circular base and the radiated field of a toroidal ANSERLIN antenna was pointed out. The edge of the base was obtained by using the conformal geometry theory of refraction (UTD) The diffraction field of the caustic zone is calculated by the equivalent edge current method (EEC). The theoretical results and the experimental results are compared, the two are basically in line with the experimental results .