其中一种激光武器是防空致盲器，该武器可以对10公里范围内的敌方飞机和直升机进行干扰。
One of these weapons is the air defense dazzler, which can engage enemy aircraft and helicopters at a range of 10 kilometers.
经过训练而能熟练操作这种系统的飞行员就可以实现盲飞，或者进行某种复杂的飞行动作，例如让直升机稳定地停定在半空中。
Pilots who train with this system can learn to fly blindfolded or to carry out complex maneuvers, such as holding the helicopter in a stationary hover.
提出一种基于信号子空间估计，用于频率选择性衰落信道的盲多用户自适应接收机。
In this paper, a blind multiuser receiver for frequency-selective fading channel based on subspace tracking has been presented.
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