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对一种新的用于反射面天线辐射远场的快速积分方法进行了研究,采用物理光学法分析,基于辐射场积分计算,考虑积分网格内的相位影响并用闭合表达式表示,显著减少了积分所需网格数,加快了赋形反射面天线辐射远场的计算速度,并能与其他方法组合以进一步提高辐射远场的计算速度。模拟计算结果与直接积分法比较结果表明方法可靠且有效。
A new fast integration method for the far field of reflector antenna radiation was studied. By using the method of physical optics, based on the radiation field integral calculation, taking into account the phase influence in the integral grid and expressing it in a closed expression, The number of grid points required for integration accelerates the computational speed of the far-field radiation from the shaped reflector antenna and can be combined with other methods to further increase the computational speed of the far-field radiation. The results of simulation and direct integration show that the method is reliable and effective.