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.
本文根据复射线法对通过介质天线罩的高斯波束场进行近轴近似分析。
Based on complex ray method, a paraxial approximation analysis of Gaussian beam transmission through a dielectric radome is presented.
在综合大量实例的基础上，提出双高斯函数逼近多模光纤的光脉冲输出的解析近似方法，使时域法确定光纤带宽的精度大为提高。
On the base of a plenty of facts we suggested a method in which bi-Gaussian form is approached the output pulse in multimode fibers The accuracy measuring band in time domain can be improved highly.
高斯型口径分布所产生的辐射场可以近似地用复射线法来分析。
The radiated fields from Gaussian distributed aperture(GDA)can be approximately analyzed using the complex ray method(CRM).
同时以高斯波束为例，给出了波束因子的主要计算方法：积分法和区域近似法。
Taking Gaussian beam as example, Integral method and Localized Approximation for BSC's is discussed. Finally the far-field scattered intensity is simulated. 6.
同时以高斯波束为例，给出了波束因子的主要计算方法：积分法和区域近似法。
Taking Gaussian beam as example, Integral method and Localized Approximation for BSC's is discussed. Finally the far-field scattered intensity is simulated. 6.
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