在数值分析、通信等仿真的时候，如何在语言上近似实现对各种情况下的函数分布，产生我们需要的分布。-in numerical analysis, simulation of communication, how in language similar to the realization of the various distribution function, we need to have the distribution.

未编码BPSK性能AWGN信道理论误码率 简化的格栅函数 门限近似函数 AWGN信道香农限（Shannon Limit）-Performance of uncoded BPSK AWGN channel BER simplified grille theoretical threshold function approximation function AWGN channel Shannon limit (Shannon Limit)