This paper studies the problem of the secure state estimation of cyber-physical systems.The system model we studied is a class of discrete-time systems with state delay and sparse sensor attacks.In the design of the observer, a Projection Operator is utilized to determine the correct attack set, and the gain matrix will be switched accordingly.In t
Endoscopic ultrasound-guided gallbladder drainage (EUS-GBD) has been utilized as an alternative endoscopic technique for patients with acute Coaxial Cable cholecystitis.In addition to EUS-guided hepaticogastrostomy and EUS-guided cystogastrostomy, EUS-GBD has been reported as being useful for biliary drainage in cases with distal malignant biliary
Since the beginning fanny pack of the millennium and especially since the birth of social networks, a large number of studies have emerged that analyse the influence of these new spaces on social movements.These new forms of communication have generated new ways of making and understanding politics, expanding democracy, making it more participatory
Air quality plays a pivotal role in human health and well-being, with growing public awareness of its importance.However, the response relationship between air quality and public attention is unclear.Utilizing data from the Baidu Index, air quality, and demographic data, we developed the per capita public attention to air quality (PAAQ) index.Emplo