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1·Theorem 2 There exists uniquely an quasi-Gaussian quadrature formula, which is just the Gaussian quadrature formula;

定理2存在着一个独特的准高斯求积公式，这是刚刚高斯求积公式；

2·The Gaussian quadrature is a highly accurate numerical integrator and yields results that outperform those from the prism method and the FFT method.

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。

3·The paper analyzes the interference rejection of Quadrature amplitude modulation signals in the presence of carrier phase jitter, sinusoidal interference and white Gaussian noise.

文章分析了存在载波相位起伏、正弦干扰、高斯白噪声时正交调幅数字系统的抗扰性。