The principle of the detection of the focusingerror signal in a holographic optic head is dis - cussed.
讨论了全息光学头聚焦误差信号检测的基本原理。
2
The spatially correlated noise incurs an increase in focusingerror and a severe degradation in the DOA estimation.
空间相关噪声会导致增加对焦错误和严重退化的DOA估计。
3
According to the principle of focusingerror for two dimensions laser galvanometer scanning, a dynamic focusing optical model for correcting this error was put forward.