Aero-engine is known as the heart of an aircraft.Fatigue is one of the main causes of aero-engine failure, therefore, it is essential to predict the fatigue life in the aero-engine design process.Due to the uncertainty of influencing factors, it is necessary to further analyze the fatigue reliability.First, the fatigue life should be predicted on t
Long-term retrospective road data are required for various analyses (e.g., investigation of urban sprawl, analysis of road network evolution).Yet, it is challenging to extract roads from scanned historical maps due to their dissatisfying quality.Although deep learning has been exerting its superiority in image segmentation, its application to road
This paper deals with the problem of high cross-range resolution Doppler beam sharpening (DBS) imaging for airborne wide-area surveillance (WAS) radar under short dwell time situations.A knowledge-aided DBS (KA-DBS) imaging algorithm is proposed.In the proposed KA-DBS framework, the DBS imaging model for WAS radar is constructed and the cross-range
Introduction: Impaction may be defined as the failure of complete eruption into a normal functional position of one tooth within normal time due to lack of space in the dental arch, caused by obstruction byanother tooth or development in an abnormal position.The mandibular third molar is the most frequently impacted tooth.The incidence varies from