The elastic wave propagation properties of phononic crystals(PnCs)composed of an elastic matrix embedded in magnetorheological and electrorheological elastomers
A new concept of lightweight structure,namely amorphous-alloy-reinforced perfo-rated armor(ARPA)consisting of the amorphous alloy coating and perforated metal s
The thermal properties of a nanostructured semiconductor are affected by multi-physical fields,such as stress and electromagnetic fields,causing changes in temp
针对无人机载视频序列影像动态背景以及常用检测方法处理效率不高等问题,提出了一种基于特征的无人机载视频运动目标快速检测方法。该方法主要包括预处理、ORB特征提取(oriented fast and rotated BRIEF,ORB)、渐进一致采样(progressive sample consensus,PROSAC)特征精匹配、全局运动估计与全局运动补偿、运动目标初检测和形态学后处理等6个步骤。