In recent years, railway operators have been promoting the construction of unmanned stations, and the ratio of unmanned stations is increasing year by year.However, unmanned stations have a disadvantage for passengers who need assistance when boarding and disembarking, in that they cannot receive on-demand assistance.It has been reported that the r
ABSTRACT: A reticular diaphragmatic hernia Jars is a congenital or acquired alteration resulting from protrusion of the reticulum into the thoracic cavity.In ruminants, lesions to the diaphragmatic muscle, due to penetration of sharp metallic objects, is the most common cause of this disease.Therefore, given the low number of reports on this diseas
Abstract Metalens, characterized by their unique functions and distinctive physical properties, have gained significant attention for their potential applications.To further optimize the performance of metalens, it is necessary to characterize the phase modulation of the metalens.In this study, we present a multi-distance phase retrieval system bas