针对满足一定条件的一类不确定部分上界不确知的系统，提出了一种参数自适应积分滑模控制策略。
This paper presents an integral sliding mode control with adaptive parameters for a class of systems satisfying some conditions when the upper bounds of uncertainties are unknown.
当点扩展函数未知或不确知的情况下，从观察到的退化图像中恢复原始图像的过程称为图像盲复原。
When point spread function (PSF) is not known or only partially determined, restoration of the degraded images is called blind image restoration (BIR).
在我的书桌里有好几封写就了好久的信，到今天还没有发出去，因为我不确知地址有否错误。
I have some letters in my desk that have been written for weeks, but there was some slight uncertainty about the address or the contents, so they are yet unmailed.
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