利用高斯数值积分方法，推导了方形活塞辐射阻抗的三重积分表达式，计算了方形活塞声源的辐射阻抗。
Triple integral expression of the radiation impedance of square piston is deduced and the numerical results of the radiation impedance are calculated with the method of Gaussian numerical integral.
数值试验结果表明，MLPG方法是计算电磁场一种有效可靠的算法，计算结果优于一般高斯积分。
The numerical results show that MLPG method is efficient and reliable for electromagnetic field computation, and the given integral method is better than the usual Gauss integral.
高斯积分法是一个高精度的数值积分方法，它的计算结果精度 胜过角柱体法与快速傅利叶法。
The Gaussian quadrature is a highly accurate numerical integrator and yields results that outperform those from the prism method and the FFT method.
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