The joine distribution of geneval Chi Squared distribution for scattering terrain and atmospheric turbulance is found flatten markedly and its peak shifts to the low end of normalized irradiance.

• 广义Chi－Squared地面散射与大气湍流综合调制效应明显地压缩了概率分布的宽度并使分布函数的峰值移向归一化强度的低端。