Theorem 2 There exists uniquely an quasi-Gaussianquadrature formula, which is just the Gaussianquadrature 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 Gaussianquadrature 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.