I believe the single most important factor is that the most accurate flowmeters have a close connection between the operating ...

Abstract: This article introduces an active calibration scheme tailored for fully digital multiple-input multiple-output (MIMO) transmitters, a key step toward ensuring channel reciprocity. The ...

Abstract: In this study, we report a method to accurately calibrate the forces measured by a wearable device for measuring blood pressure pulse waves by the arterial tonometry method to obtain blood ...

Three Chinese military helicopters fly past Pingtan island, one of mainland China's closest points from Taiwan, in Fujian province on Aug. 4, 2022, following then-House Speaker Nancy Pelosi's visit to ...

The E88 quadcopter drone is a consumer-grade quadcopter drone designed for indoor and outdoor recreational flying. Featuring in this detailed E88 drone teardown a foldable design, WiFi camera, and ...