Generate the digital AWGN signal n[k] (sampled n(t)) by generating zero mean Gaussian random variables independently (separately) for each k MATLAB function random.

噪声环境下的信号检测算法及matlab算法，高斯环境下，门限检测-Signal detection algorithm in noisy environments and matlab algorithm, Gaussian environment, the threshold detector

产生拉盖尔高斯光束的函数，可用于MATLAB仿真系统-Generate Laguerre Gaussian beam