通过比较，说明高斯近似法估算的误码率过大，故其应用范围受到限制。
By comparison with the analytical results, Gaussion approximation method tends to overestimate the BER whose application is restricted within narrow limits.
介绍了改进高斯近似法，分析了其在计算DSCDMA系统多址干扰中的应用。
This paper presents an improved Gaussian approximation method for analyzing the MAI of DS CDMA system.
采用矩空间理论和高斯近似法分别得出该系统在多址干扰和白高斯噪声条件下的平均误码率表达式。
Based on moment space theory and Gaussian approximation method, expressions of average error probability for system with multiple-access interference and white Gaussian noise environment are derived.
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