According to field correlation theorem,the efficiency of microwave dual-reflector antenna is computed and analyzed by means of GTD in this paper,which the mainre flector is paraboloidal and subreflcctor is arbtrary spun and symmetric by axle.

• 本文根据场相关定理；应用几何绕射理论(GTD)；分析计算主面为抛物面；副面为任意旋转对称面的微波双反射面天线效率.