针对瞬时混合盲信号分离的自适应算法进行调研和比较，对于LMS，RLS算法（包括基于普通梯度和自然梯度两种）进行仿真验证，并对一些未知图像的混合进行分离。-Blind signal separation for instantaneous mixture algorithm for adaptive research and comparison, for the LMS, RLS algorithms (including gradient and natural gradient based