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This paper introduces a self-designed wearable inertial measurement unit (IMU-BMSJv2) and the calibration of its tri-axial accelerometers. We compare two popular accelerometer calibration approaches, the classical method (attitude dependent) and auto calibration method (attitude independent). Both these two calibration methods have been applied for the calibration of the self-designed IMU-BMSJv2;...
Now, the cloud storage gateway system is widely used in enterprise systems, which is viewed as a link between the local storage systems and cloud storage providers. Since the gateway system can simplify the interaction with cloud storage services, while boosting performance and reducing cost, more and more enterprises prefer it as their first choice to use cloud storage services. In this article,...
This paper focuses on communication security of e-commerce. A secure electronic transaction model was designed, with the designs of security protocols of transactions for each process in detail, and the advantages was pointed out. In the design process, the security protocol proposed in this paper is not confined to a particular electronic trading system itself. This model has a wide range of practical...
Based on the research of Ethernet protocol, the paper discussed the problem in real-time Ethernet communication, and put up with a soft real-time communication model over a widespread open source OS-Linux. Using dynamic module mechanism and Linux traffic control framework, this model modified the net subsystem of Linux. And by adding a module between IP layer and Mac layer, the model makes Linux support...
A quantum secure direct intercommunication scheme is proposed to exchange directly the communicators' secret messages by making use of swapping entanglement of Bell states. It has great capacity to distribute the secret messages since these messages have been imposed on high-dimensional Bell states via the local unitary operations with superdense coding. The security is ensured by the secure transmission...
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