A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...

Abstract: Deep learning-based image classification models have been widely applied in the Industrial Internet of Things (IIoT), but studies have shown that adversarial attacks can cause ...

Abstract: Model sand composed of several kinds of sand according to a certain proportion to meet required sand gradation is often needed in model test. In this paper, an optimization model of mixture ...