在DS-spread spectrum系统中,噪声为加性高斯白噪声,传统单用户检测,线性解相关多用户检测和最小均方误差多用户检测的性能比较-In the DS-SPREAD specturm, noise is always white Gauss noise.

两个仿真分别实现LS（最小二乘法）和MMSE（最小均方误差）信道估计。-Two simulations were realized LS (least squares) and MMSE (minimum mean square error) channel estimation.